Information processing device, information processing method, and program

Abstract

This makes it less likely for the quality of video and images received by the server to degrade. [Solution] The information processing device 2 includes a first transmitting unit 244 that transmits a video to a receiving device via a first communication line, a second transmitting unit 245 that transmits a video to a receiving device via a second communication line, and a transmitting mode switching unit that switches the mode of the first transmitting unit 244 from stop mode to transmit mode before the moving object starts moving, and after the mode of the first transmitting unit 244 has been switched to transmit mode, switches the mode of the second transmitting unit from stop mode to transmit mode if the first communication quality, which is the quality of communication between the time the first transmitting unit 244 transmits the video and the time the receiving device receives the video, satisfies the start condition, and switches the mode of the second transmitting unit 245 from transmit mode to stop mode if the first communication quality satisfies the stop condition.

Description

Technical Field

[0001] The present invention relates to an information processing apparatus, an information processing method, and a program.

Background Art

[0002] Conventionally, a system for monitoring the operation of a moving object has been known. Patent Document 1 discloses a technique for transmitting a moving image captured by a camera provided in a moving object to a server.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] A user can remotely monitor a moving object based on the moving image received by the server. However, in the conventional technology, the quality of the moving image received by the server may deteriorate depending on the location where the moving object is present. If the quality of the moving image deteriorates, it affects the monitoring of the moving object, so it is required to make it difficult for the quality of the moving image received by the server to deteriorate.

[0005] Therefore, the present invention has been made in view of these points, and an object thereof is to make it difficult for the quality of the moving image received by the server to deteriorate.

Means for Solving the Problems

[0006] An information processing apparatus according to a first aspect of the present invention includes: a first transmitting unit that transmits a moving image captured by a camera installed on a mobile body to a receiving device that receives the moving image via a first communication line; a second transmitting unit that transmits the moving image to the receiving device via a second communication line, which is a different communication line from the first communication line; and a transmitting mode switching unit that, before the mobile body starts moving, switches the mode of the first transmitting unit from a stop mode in which the moving image is not transmitted to a transmitting mode in which the moving image is transmitted; and after the mode of the first transmitting unit has been switched to the transmitting mode, switches the mode of the second transmitting unit from the stop mode to the transmitting mode if the first communication quality, which is the quality of communication between the time the first transmitting unit transmits the moving image and the time the receiving device receives the moving image, satisfies a start condition defined as a condition for the second transmitting unit to start transmitting the moving image; and switches the mode of the second transmitting unit from the transmitting mode to the stop mode if the first communication quality satisfies a stop condition defined as a condition for the second transmitting unit to stop transmitting the moving image.

[0007] The transmission mode switching unit may switch the mode of the second transmission unit from the stop mode to the transmission mode if at least one of the quality value indicating the current first communication quality and the statistical value indicating the statistics of the quality value from the present to a predetermined period prior is less than the start threshold defined as the start condition, and may switch the mode of the second transmission unit from the transmission mode to the stop mode if at least one of the current quality value and the statistical value is equal to or greater than the stop threshold defined as the stop condition. The stop threshold may be a value that indicates a higher first communication quality than the start threshold.

[0008] The information processing device may have a start switching area in the travel route on which the mobile body travels, where the mode of the second transmitter is switched from the stop mode to the transmit mode, and a stop switching area in which the mode of the second transmitter is switched from the transmit mode to the stop mode. Alternatively, the transmit mode switching unit may switch the mode of the second transmitter from the stop mode to the transmit mode when the mobile body is included in the start switching area, or when the period until the mobile body is included in the start switching area is within a predetermined threshold period, regardless of whether the first communication quality satisfies the start condition. The second transmitter may also switch the mode of the second transmitter from the transmit mode to the stop mode when the mobile body is included in the stop switching area and the first communication quality satisfies the stop condition.

[0009] The information processing device may further include a compression unit for compressing the video, and a compression mode switching unit which, after the transmission mode switching unit has switched the mode of the second transmission unit from the stop mode to the transmission mode, switches the mode of the compression unit from a high-quality mode for compressing the video in high quality to a low-quality mode for compressing the video in low quality if the second communication quality, which is the quality of communication between the time the second transmission unit transmits the video and the time the receiving device receives the video, satisfies a low-quality condition defined as a condition for lowering the quality of the video, and switches the mode of the compression unit from the low-quality mode to the high-quality mode if the second communication quality satisfies a high-quality condition defined as a condition for raising the quality of the video.

[0010] The transmission mode switching unit may switch the mode of the second transmission unit from the transmission mode to the stop mode if the first communication quality satisfies the stop condition after the compression mode switching unit has switched the mode of the compression unit from the low-quality mode to the high-quality mode.

[0011] The information processing device may further include a detection unit for detecting alerts relating to the moving object, and the transmission mode switching unit may, when the detection unit detects the alert, switch the mode of the second transmission unit from the stop mode to the transmission mode, regardless of whether the first communication quality satisfies the start condition.

[0012] The information processing device may further include an acquisition unit that acquires a drive instruction for moving the mobile body and a stop instruction for stopping the mobile body from an external source, and the transmission mode switching unit may, when the acquisition unit acquires the drive instruction or the stop instruction, switch the mode of the second transmission unit from the stop mode to the transmission mode, regardless of whether the first communication quality satisfies the start condition.

[0013] The transmission mode switching unit may, after the acquisition unit has switched the mode of the second transmission unit from the stop mode to the transmission mode in response to the acquisition unit having acquired the driving instruction, switch the mode of the second transmission unit from the transmission mode to the stop mode if the first communication quality satisfies the stop condition, or if the speed of the moving body exceeds a predetermined threshold speed, or if the acquisition unit has switched the mode of the second transmission unit from the stop mode to the transmission mode in response to the acquisition unit having acquired the stop instruction, and the moving body has stopped, switch the mode of the second transmission unit from the transmission mode to the stop mode.

[0014] The information processing device may further include an acquisition unit that acquires base station information indicating the status of the base station with which the first transmission unit communicates, and the transmission mode switching unit may switch the mode of the second transmission unit from the stop mode to the transmission mode, regardless of whether the first communication quality satisfies the start condition, if the mobile body is included in the communication area of ​​the base station that indicates an abnormal status in the base station information acquired by the acquisition unit, or if the period until the mobile body is included in the communication area is within a predetermined threshold period.

[0015] The information processing device may further include a storage unit that stores positional relationship data for each position on the route traveled by the mobile body, in which information indicating the position and information indicating the base station with which the first transmitting unit communicates are associated; and an acquisition unit that acquires base station information indicating the communication area of ​​each of a plurality of base stations with which the first transmitting unit communicates. The transmission mode switching unit may, by referring to the positional relationship data, switch the mode of the second transmitting unit from the stop mode to the transmission mode if the base station with which the first transmitting unit communicates is not the base station associated with the position of the mobile body, regardless of whether the first communication quality satisfies the start condition.

[0016] The information processing device may further include an acquisition unit that acquires selection information from the receiving device at predetermined intervals, indicating that either the video transmitted by the first transmission unit via the first communication line or the video transmitted by the second transmission unit via the second communication line has been selected as the video to be recorded. The transmission mode switching unit may, if the selection information acquired immediately by the acquisition unit indicates that the video transmitted by the second transmission unit via the second communication line has been selected, not switch the mode of the second transmission unit from the transmission mode to the stop mode, regardless of whether the first communication quality satisfies the stop condition. If the first communication quality satisfies the stop condition, the selection information acquired immediately by the acquisition unit indicates that the video transmitted by the first transmission unit via the first communication line has been selected, the mode of the second transmission unit may be switched from the transmission mode to the stop mode.

[0017] The information processing device may further include an acquisition unit that acquires display status information from the receiving device at predetermined intervals indicating whether or not the video transmitted by the second transmission unit via the second communication line is displayed. The transmission mode switching unit may, if the display status information acquired immediately before by the acquisition unit indicates that the video is displayed, not switch the mode of the second transmission unit from the transmission mode to the stop mode, regardless of whether or not the first communication quality satisfies the stop condition. If the first communication quality satisfies the stop condition, the display status information acquired immediately before by the acquisition unit indicates that the video is not displayed, the transmission mode of the second transmission unit may switch from the transmission mode to the stop mode.

[0018] The information processing device may further have a storage unit that stores communication quality data in which a statistical value indicating the statistics of the quality value is associated with each measurement point where a quality value indicating the first communication quality was measured along a route previously traveled by the mobile body. The transmission mode switching unit may, when the mobile body is traveling along the route, switch the mode of the second transmission unit from the stop mode to the transmission mode if at least one of the current quality value and the statistical value associated with the measurement point that is relatively close to the current location of the mobile body along the route among the plurality of measurement points included in the communication quality data is less than the start threshold defined as the start condition. The transmission mode switching unit may also switch the mode of the second transmission unit from the transmission mode to the stop mode if the current quality value and the statistical value associated with the measurement point that is relatively close to the current location of the mobile body along the route among the plurality of measurement points included in the communication quality data are both equal to or greater than the stop threshold defined as the stop condition.

[0019] A second aspect of the present invention relates to an information processing method, which is performed by a computer, comprising the steps of: transmitting a video image captured by a camera on a mobile body to a receiving device that receives the video image via a first communication line; transmitting the video image to the receiving device via a second communication line, which is a different communication line from the first communication line; switching the mode of the step of transmitting the video image via the first communication line from a stop mode in which the video image is not transmitted to a transmission mode in which the video image is transmitted before the mobile body starts moving; and, after switching the mode of the step of transmitting the video image via the first communication line to the transmission mode, in the step of transmitting the video image via the first communication line The method includes: switching the mode of the step of transmitting the video via the second communication line from the stop mode to the transmit mode when the first communication quality, which is the quality of communication between the transmission of the video and the reception device receiving the video, satisfies the start condition defined as the condition for starting the transmission of the video in the step of transmitting the video via the second communication line; and switching the mode of the step of transmitting the video via the second communication line from the transmit mode to the stop mode when the first communication quality satisfies the stop condition defined as the condition for stopping the transmission of the video in the step of transmitting the video via the second communication line.

[0020] The program according to the third aspect of the present invention causes a computer, via a first communication line, to transmit a moving image captured by a camera provided in a moving body to a receiving device that receives the moving image, a second communication line that is a different communication line from the first communication line, a second transmitting unit that transmits the moving image to the receiving device via the second communication line, and until the moving body starts moving, switches the mode of the first transmitting unit from a stop mode in which the moving image is not transmitted to a transmission mode in which the moving image is transmitted. After switching the mode of the first transmitting unit to the transmission mode, when a first communication quality, which is the communication quality during the period from when the first transmitting unit transmits the moving image until the receiving device receives the moving image, satisfies a start condition defined as a condition for the second transmitting unit to start transmitting the moving image, the mode of the second transmitting unit is switched from the stop mode to the transmission mode. When the first communication quality satisfies a stop condition defined as a condition for the second transmitting unit to stop transmitting the moving image, the mode of the second transmitting unit is switched from the transmission mode to the stop mode, functioning as a transmission mode switching unit.

Effects of the Invention

[0021] According to the present invention, there is an effect that it is difficult to reduce the quality of the moving image received by the server.

Brief Description of the Drawings

[0022] [Figure 1] It is a diagram for explaining the outline of the information processing system. [Figure 2] It is a diagram showing the flow of processing for transmitting a moving image via a first communication line. [Figure 3] It is a diagram showing the flow of processing for transmitting a moving image via a second communication line. [Figure 4] It is a diagram showing the flow of processing for stopping the transmission of a moving image via a second communication line. [Figure 5] It is a diagram schematically showing the functional configuration of the information processing apparatus. [Figure 6] It is a flowchart showing the flow of processing by the information processing apparatus. [Modes for carrying out the invention]

[0023] [Overview of Information Processing System S] Figure 1 is a diagram illustrating the overview of the information processing system S. The information processing system S is a system used to manage the operation of a mobile object. The mobile object is a mobile object that moves autonomously, such as an autonomous vehicle, robot or drone, etc. The mobile object may also be a mobile object that is moved by remote control. The vehicle V is a mobile object, such as a transport vehicle that travels the same route periodically. In this embodiment, the mobile object will be described as an autonomous vehicle. The vehicle V includes a camera C and an information processing device 2, which will be described later. The camera C is, for example, a device that captures moving images including video and audio. The camera C is installed, for example, so that the front of the vehicle V is within its imaging range. The camera C may also be a 360-degree camera that captures images in all directions. The vehicle V may also be equipped with multiple cameras C installed so that the front, rear, left, and right sides of the vehicle V are within its imaging range. The vehicle V may also be equipped with a control device (not shown) that controls autonomous driving. The information processing system S includes a receiving device 1 and an information processing device 2.

[0024] Receiving device 1 is a device used to receive video, and is, for example, a server. When receiving device 1 receives video, it records the video in storage D. Receiving device 1 also distributes the received video to terminal T in response to a user request. The user of terminal T can check the status of the area around vehicle V in real time by viewing the video distributed from receiving device 1 using terminal T. The user of terminal T can also check the status of the area around vehicle V in the past by viewing the video recorded in storage D using terminal T.

[0025] The information processing device 2 is a device used to transmit moving images to the receiving device 1. The information processing device 2 is connected to the camera C by cable or wireless communication. The information processing device 2 may also be connected to the vehicle V or the control device. Furthermore, the information processing device 2 may also be connected to a microphone (not shown) provided in the vehicle V. In this case, the information processing device 2 may transmit moving images to the receiving device 1 that include the video captured by the camera C and the audio collected by the microphone, or it may transmit either the video captured by the camera C or the audio acquired by the microphone to the receiving device 1.

[0026] The information processing device 2 includes a communication controller for transmitting moving images to the receiving device 1 via a predetermined communication line. The predetermined communication line includes a first communication line and a second communication line. The first communication line is used as the main communication line. The second communication line is a different communication line from the first communication line and is used as a sub-communication line. For example, the first communication line is a fifth-generation mobile communication system (5G (Generation)) and the second communication line is a fourth-generation mobile communication system (4G). Alternatively, the first communication line may be a terrestrial mobile communication system and the second communication line may be a satellite mobile communication system. Furthermore, the first communication line may be a communication line provided by a first communication carrier, and the second communication line may be a communication line provided by a second communication carrier, which is a different communication carrier from the first communication carrier. Also, the first communication line may be a communication line provided under a first pricing plan (e.g., a flat-rate pricing plan), and the second communication line may be a communication line provided under a second pricing plan (e.g., a pay-as-you-go pricing plan) that is different from the first pricing plan.

[0027] The information processing device 2 transmits a video to the receiving device 1 via at least the first communication line of the two communication lines, and transmits the video to the receiving device 1 via the second communication line if the first communication quality deteriorates. The first communication quality is the quality of communication from the time the video is transmitted via the first communication line until the receiving device 1 receives the video. For example, the video transmitted from the first communication line and the second communication line are the same video. "If the first communication quality deteriorates" means, for example, that there is a high risk that the video received by the receiving device 1 will be distorted or stop.

[0028] The information processing device 2 controls the transmission of moving images by switching the mode of transmission of moving images via each communication line from stop mode to transmit mode. Stop mode is a mode in which moving images are not transmitted. Transmit mode is a mode in which moving images are transmitted.

[0029] Figure 2 shows the process flow for transmitting video via the first communication line. In Figure 2, the information processing device 2 switches the mode for transmitting video via the first communication line from the stop mode to the transmit mode (1) in Figure 2, at least before the vehicle V starts autonomous driving.

[0030] When the information processing device 2 switches to the transmission mode, which is the mode for transmitting video via the first communication line, it transmits video via the first communication line (Figure 2, (2)). Subsequently, when the receiving device 1 receives the video transmitted from the information processing device 2 via the first communication line, it records the video in storage D or distributes the video to terminal T.

[0031] Figure 3 shows the process flow for transmitting video via the second communication line. In Figure 3, the information processing device 2 has switched the mode for transmitting video via the first communication line to transmission mode, and is now transmitting video via the first communication line.

[0032] In this case, the information processing device 2 switches the mode for transmitting video via the second communication line from stop mode to transmit mode when the first communication quality satisfies the start condition (Figure 3 (1)). The start condition is a condition defined for starting the transmission of video via the second communication line, and is a condition defined for determining whether or not the first communication quality deteriorates.

[0033] When the information processing device 2 switches to the transmission mode, which is the mode for transmitting video via the second communication line, it transmits video via the first communication line and also transmits video via the second communication line (Figure 3, (2)). When the receiving device 1 receives both the video transmitted via the first communication line and the video transmitted via the second communication line from the information processing device 2, it selects one of the two video images or combines the two video images into one video image (Figure 3, (3)) according to predetermined conditions (for example, high quality of the video image, user operation, etc.), and records the selected or combined video image in storage D or delivers the selected video image to terminal T.

[0034] Figure 4 shows the process flow for stopping the transmission of video via the second communication line. In Figure 4, the information processing device 2 is in a state where it is transmitting video via the first communication line by switching the mode for transmitting video via the first communication line to transmission mode, and also transmitting video via the second communication line by switching the mode for transmitting video via the second communication line to transmission mode.

[0035] In this case, the information processing device 2 switches the mode for transmitting video via the second communication line from stop mode to transmit mode when the first communication quality satisfies the stop condition (Figure 4 (1)). The stop condition is a condition defined for initiating the transmission of video via the second communication line and is a condition defined for determining whether the first communication quality has improved. The start condition and the stop condition are different conditions, but are not limited to these and may be the same condition.

[0036] When the information processing device 2 switches the mode for transmitting video via the second communication line to stop mode, it stops transmitting video via the second communication line (Figure 4, (2)). Subsequently, when the receiving device 1 receives only the video transmitted via the first communication line from the information processing device 2, it records the video in storage D or distributes the video to terminal T. In this way, while transmitting video to the receiving device 1 via the first communication line, the information processing device 2 switches the mode for transmitting video via the second communication line between start mode and stop mode depending on whether the quality of the first communication line deteriorates or improves.

[0037] In this way, the information processing system S can transmit the video to the receiving device 1 via a second communication line, different from the first communication line, depending on the quality of communication between the time the video is transmitted via the first communication line and the time the receiving device 1 receives the video. For example, if the quality of the first communication deteriorates (decreases), the information processing system S can transmit the video to the receiving device 1 via the second communication line in addition to transmitting it via the first communication line. As a result, the information processing system S can make it less likely for the quality of the video received by the receiving device 1 to deteriorate.

[0038] Furthermore, the information processing system S can reduce the consumption of resources used to transmit video via the second communication line (e.g., power, processor, memory, bandwidth of the sub-communication line, etc.) by stopping the transmission of video via the second communication line in response to an improvement in the first communication quality. As a result, the information processing system S can strike a balance between maintaining the quality of video received by the receiving device 1 and reducing resource consumption. The following describes the functional configuration of the information processing device 2.

[0039] [Functional configuration of the information processing device 2] Figure 5 is a schematic diagram showing the functional configuration of the information processing device 2. The information processing device 2 comprises a first communication unit 21, a second communication unit 22, a storage unit 23, and a control unit 24. In Figure 5, the arrows indicate the main data flow, and there may be other data flows not shown in Figure 5. In Figure 5, each functional block shows a functional unit configuration, not a hardware (device) unit configuration. Therefore, the functional blocks shown in Figure 5 may be implemented in a single device, or they may be implemented separately in multiple devices. Data exchange between functional blocks may be performed via any means, such as a data bus, network, or portable storage medium.

[0040] The first communication unit 21 is a communication interface for connecting to a network and has a communication controller for sending and receiving data with external devices via the first communication line. The second communication unit 22 is a communication interface and has a communication controller for sending and receiving data with external devices via the second communication line.

[0041] The memory unit 23 is a large-capacity storage device such as a ROM (Read Only Memory) that stores the BIOS (Basic Input Output System) of the computer that realizes the information processing device 2, a RAM (Random Access Memory) that serves as the working area of ​​the information processing device 2, and an HDD (Hard Disk Drive) or SSD (Solid State Drive) that stores the OS (Operating System), application programs, and various information referenced when the application programs are executed.

[0042] The control unit 24 is a processor such as the CPU (Central Processing Unit) or GPU (Graphics Processing Unit) of the information processing device 2, and by executing the program stored in the storage unit 23, it functions as the acquisition unit 241, compression unit 242, transmission unit 243 (first transmission unit 244 and second transmission unit 245), transmission mode switching unit 246, detection unit 247, and compression mode switching unit 248.

[0043] The acquisition unit 241 acquires the video footage captured by camera C. The acquisition unit 241 continuously acquires video footage from camera C, for example, while camera C is capturing video footage. The acquisition unit 241 may also acquire video footage from camera C when the transmission mode switching unit 246, described later, switches the mode of the first transmission unit 244 to transmission mode. If the acquisition unit 241 acquires video footage captured by multiple cameras C, it may combine the multiple video footage into a single video footage.

[0044] The transmitting unit 243 transmits the video to the receiving device 1. Specifically, the transmitting unit 243 transmits the video acquired by the acquisition unit 241 to the receiving device 1. The transmitting unit 243 may also transmit the video acquired by the acquisition unit 241 to the receiving device 1 as a video compressed to a predetermined quality. Specifically, first, the compression unit 242 compresses the video acquired by the acquisition unit 241 to a predetermined quality. Then, the transmitting unit 243 transmits the video compressed by the compression unit 242 to the receiving device 1.

[0045] As described above, the transmitting unit 243 includes a first transmitting unit 244 and a second transmitting unit 245. The first transmitting unit 244 transmits a video to the receiving device 1 via the first communication unit 21. The second transmitting unit 245 transmits a video to the receiving device 1 via the second communication unit 22.

[0046] The transmission mode switching unit 246 controls the transmission unit 243. Specifically, as part of the control of the transmission unit 243, the transmission mode switching unit 246 switches the mode of the first transmission unit 244 between transmission mode and stop mode, and switches the mode of the second transmission unit 245 between transmission mode and stop mode.

[0047] [Process to switch the mode of the first transmitter unit 244 to transmission mode] First, the process by which the transmission mode switching unit 246 switches the mode of the first transmission unit 244 from stop mode to transmission mode will be explained. The transmission mode switching unit 246 switches the mode of the first transmission unit 244 to transmission mode before the vehicle V starts automatic driving.

[0048] For example, the information processing device 2 has a predetermined start switching time for switching the mode of the first transmission unit 244 to transmission mode. The start switching time may be the time when the vehicle V starts automatic driving, or it may be a time earlier than the time when the vehicle V starts automatic driving (for example, 5 or 10 minutes before the time when the vehicle V starts automatic driving). In this case, the transmission mode switching unit 246 switches the mode of the first transmission unit 244 to transmission mode when the current time has elapsed after the predetermined start switching time.

[0049] The transmission mode switching unit 246 may switch the mode of the first transmission unit 244 to transmission mode in response to instructions from the user of terminal T. For example, first, before the vehicle V starts automatic driving, if the user of terminal T performs an operation to switch the mode of the first transmission unit 244 to transmission mode on terminal T, the acquisition unit 241 receives a start switching instruction from terminal T to switch the mode of the first transmission unit 244 to transmission mode. Then, when the acquisition unit 241 receives the start switching instruction, the transmission mode switching unit 246 switches the mode of the first transmission unit 244 to transmission mode.

[0050] Furthermore, the transmission mode switching unit 246 may switch the mode of the first transmission unit 244 to transmission mode when at least one of the vehicle V and the control device is activated. Also, the transmission mode switching unit 246 may switch the mode of the first transmission unit 244 to transmission mode when the vehicle V is set to a mode for driving in automatic mode, or when the control device is set to a mode for controlling the automatic driving of the vehicle V.

[0051] Subsequently, when the user of terminal T confirms that there are no abnormalities around vehicle V using the video footage distributed by receiving device 1 on terminal T, and performs an operation to start automatic driving for vehicle V, vehicle V will start automatic driving.

[0052] [Process to switch the mode of the first transmitter 244 to stop mode] Next, the process by which the transmission mode switching unit 246 switches the mode of the first transmission unit 244 from transmission mode to stop mode will be described. After the transmission mode switching unit 246 switches the mode of the first transmission unit 244 to transmission mode, and after the vehicle V has finished automatic driving, it switches the mode of the first transmission unit 244 to stop mode.

[0053] For example, first, after vehicle V has finished autonomous driving, the user of terminal T confirms that there are no abnormalities around vehicle V using the video footage distributed by receiving device 1 on terminal T, and then performs an operation on terminal T to switch the mode of the first transmission unit 244 to stop mode. At this point, acquisition unit 241 receives a stop switching instruction from terminal T to switch the mode of the first transmission unit 244 to stop mode.

[0054] Then, when the acquisition unit 241 acquires a stop switching instruction corresponding to the first transmission unit 244, the transmission mode switching unit 246 switches the mode of the first transmission unit 244 to stop mode. The transmission mode switching unit 246 may also switch the mode of the first transmission unit 244 to stop mode when the vehicle V has finished automatic driving, that is, when the vehicle V has arrived at its destination.

[0055] [Process to switch the mode of the second transmitter 245 to transmission mode] Next, the process by which the transmission mode switching unit 246 switches the mode of the second transmission unit 245 from stop mode to transmission mode will be explained. After the transmission mode switching unit 246 has switched the mode of the first transmission unit 244 to transmission mode, if the first communication quality, which is the quality of communication between the time the first transmission unit 244 transmits the video and the time the receiving device 1 receives the video, deteriorates, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode. The first communication quality includes, for example, the received signal strength (RSRP: Reference Signal Received Power) of the radio waves received by the first communication unit 21, the degree of radio interference (SINR: Signal-to-Interference-plus-Noise Ratio) when the first communication unit 21 transmits and receives data, the communication speed (throughput) between the first communication unit 21 and the receiving device 1, the communication latency (RTT: Round Trip Time) between the first communication unit 21 and the receiving device 1, the degree of packet loss of video received by the receiving device 1, or the degree of packet drop of video received by the receiving device 1.

[0056] Specifically, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to the transmission mode after switching the mode of the first transmission unit 244 to the transmission mode, if the first communication quality satisfies the start conditions defined as the conditions for the second transmission unit 245 to start transmitting moving images. The start conditions include, for example, low radio wave reception strength, high degree of radio interference, slow communication speed, high communication latency, high degree of packet loss, or high degree of packet drop.

[0057] More specifically, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode when the quality value indicating the current first communication quality is less than the starting threshold. The quality value indicating the current first communication quality is, for example, a value such as RSRP, RTT, SINR, throughput, packet loss rate, or packet drop rate. Unless otherwise specified, such as the quality value being RSRP, a higher value indicates higher communication quality. The starting threshold is a threshold defined as a starting condition, and is a threshold defined to determine whether or not the first communication quality is deteriorating. The information processing device 2 switches the mode of the second transmission unit 245 to transmission mode when the quality value indicating the current first communication quality is less than the starting threshold by, for example, executing the following two steps.

[0058] As a first step, the transmission mode switching unit 246 further functions as a measurement unit and measures a quality value indicating the current first communication quality. The transmission mode switching unit 246 can measure the quality value indicating the current first communication quality using, for example, known techniques.

[0059] In the second step, the transmission mode switching unit 246 determines whether the measured quality value is below the starting threshold and switches the mode of the second transmission unit 245 to transmission mode according to the determination result. Specifically, if the transmission mode switching unit 246 determines that the measured quality value is below the starting threshold, it switches the mode of the second transmission unit 245 to transmission mode. On the other hand, if the transmission mode switching unit 246 determines that the measured quality value is not below the starting threshold, it does not switch the mode of the second transmission unit 245 to transmission mode. In this way, the information processing device 2 can transmit video via the sub-communication line when the first communication quality deteriorates.

[0060] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 from stop mode to transmission mode if the statistical value showing the quality value statistics from the present to a predetermined period prior (for example, 5 seconds ago, 1 minute ago, 5 minutes ago, 10 minutes ago, etc.) is below the starting threshold. The statistical value is, for example, the mean, median, or mode of the quality value. In addition, the continuity of whether or not the value is below the starting threshold may be considered in the starting condition. The transmission mode switching unit 246 may switch from stop mode to transmission mode if, for example, the RTT exceeds the starting threshold corresponding to RTT for 5 consecutive seconds in the most recent 5 seconds. Alternatively, the transmission mode switching unit 246 may switch from stop mode to transmission mode if the statistical value of RTT exceeds the starting threshold corresponding to RTT for at least a predetermined number of seconds (for example, 3 seconds or more) within the most recent 5 seconds. In this way, the information processing device 2 can transmit moving images via the sub-communication line when there is a tendency for the first communication quality to deteriorate.

[0061] The transmission mode switching unit 246 may further switch the mode of the second transmission unit 245 to transmission mode, taking into consideration quality values ​​measured in the past along the route traveled by the vehicle V. For example, the storage unit 23 stores communication quality data. The communication quality data is data that associates each measurement point with a quality value indicating the first communication quality, for each measurement point where a quality value indicating the first communication quality was measured along the route traveled by the vehicle V in the past. The quality values ​​included in the communication quality data may be values ​​of a type that the information processing device 2 can measure (e.g., RSRP, RTT, SINR, throughput, packet loss rate, or packet drop rate), or values ​​of a type that the receiving device 1 can measure (e.g., whether or not the receiving device 1 can decode the keyframes of the video image it has received). The communication quality data may also be data that associates each measurement point with a statistical value indicating the statistics of the quality value.

[0062] In this case, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode when, while the vehicle V is traveling along the route, at least one of the quality values ​​indicating the current first communication quality and the quality value (statistical value) associated with the measurement point that is relatively close to the vehicle V's current location along the route among the multiple measurement points included in the communication quality data is below the starting threshold. For example, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode when, while the vehicle V is traveling along the route, at least one of the quality values ​​indicating the current first communication quality and the quality value associated with the measurement point that is closest to the vehicle V's current location along the route among the multiple measurement points included in the communication quality data is below the starting threshold. In this way, the information processing device 2 can transmit video via the sub-communication line when the vehicle V is traveling through a location where there is a high probability of deterioration of the first communication quality.

[0063] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to transmission mode depending on whether the vehicle V is included in a predetermined switching area. For example, the information processing device 2 has a start switching area defined as a switching area. The start switching area is an area in the driving route on which the vehicle V travels in which the mode of the second transmission unit 245 is switched to transmission mode, and is, for example, a switching area defined as an area where the first communication quality is good.

[0064] In this case, if the vehicle V is included in the start switching area, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode, regardless of whether the first communication quality meets the start conditions. For example, first, the acquisition unit 241 acquires location information indicating the position of the vehicle V at predetermined intervals (e.g., every second, every minute, etc.). Then, if the position of the vehicle V indicated by the location information acquired by the acquisition unit 241 is included in the start switching area, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode. In this way, the information processing device 2 can transmit moving images via a sub-communication line when the vehicle V enters an area where the first communication quality deteriorates.

[0065] Furthermore, if the period until the vehicle V is included in the start switching area is within a predetermined threshold period, the transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to transmission mode regardless of whether the first communication quality meets the start conditions. The predetermined threshold period is the period defined as the time required for the second transmission unit 245 to start transmitting moving images.

[0066] Specifically, first, the transmission mode switching unit 246 estimates the entry time at which vehicle V will enter the start switching area. The transmission mode switching unit 246 estimates the entry time at which vehicle V will enter the start switching area based, for example, on the position of vehicle V, the speed of vehicle V, the direction of travel of vehicle V, and the route of vehicle V. Then, if the period from the current time to the entry time is within a predetermined threshold period, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode. For example, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode when the current time has passed a time before the predetermined threshold period from the entry time. In this way, the information processing device 2 can allow vehicle V to enter the start switching area with the mode of the second transmission unit 245 switched to transmission mode.

[0067] The information processing device 2 may switch the mode of the second transmitting unit 245 to the transmission mode depending on the state of the base station with which the first transmitting unit 244 communicates. For example, the information processing device 2 switches the mode of the second transmitting unit 245 to the transmission mode depending on the state of the base station with which the first transmitting unit 244 communicates by performing the following two steps.

[0068] As the first step, the acquisition unit 241 acquires base station information. The base station information is information indicating the status of the base station with which the first transmission unit 244 communicates, for example, whether the base station is normal or abnormal (e.g., undergoing planned maintenance, experiencing a malfunction, or being congested). The base station included in the base station information may be a single base station with which the first transmission unit 244 communicates, or it may be multiple base stations with which the first transmission unit 244 communicates as the vehicle V travels along the route. The acquisition unit 241 acquires base station information from a server (not shown) that manages the base stations, for example, at predetermined intervals.

[0069] Note that base station information may be stored in the storage unit 23 in advance. In this case, the storage unit 23 stores multiple base station information for each time period and day of the week, in which the status of each base station as normal or abnormal is predicted. The acquisition unit 241, for example, acquires base station information from the storage unit 23 that corresponds to the time period and day of the current date and time from among the multiple base station information.

[0070] As a second step, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 from stop mode to transmission mode when the vehicle V is included in the communication area of ​​a base station that indicates an abnormal state in the base station information acquired by the acquisition unit 241, regardless of whether the first communication quality meets the start conditions. In this way, the information processing device 2 can transmit video via a sub-communication line when there is a high probability that the first communication quality will deteriorate.

[0071] Furthermore, the transmission mode switching unit 246 may switch the mode of the second transmission unit 245 from stop mode to transmission mode, regardless of whether the first communication quality satisfies the start condition, if the period until vehicle V is included in the communication area of ​​a base station indicating an abnormal state in the base station information acquired by the acquisition unit 241 is within a predetermined threshold period. Specifically, first, the transmission mode switching unit 246 estimates the entry time when vehicle V enters the communication area of ​​a base station indicating an abnormal state in the base station information acquired by the acquisition unit 241.

[0072] The transmission mode switching unit 246 then switches the mode of the second transmission unit 245 to transmission mode when the period from the current time to the entry time is within a predetermined threshold period. For example, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode when the current time has passed a time before the predetermined threshold period from the entry time. In this way, the information processing device 2 can allow vehicle V to enter an area where there is a high probability that the first communication quality will deteriorate, with the mode of the second transmission unit 245 switched to transmission mode.

[0073] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to transmission mode depending on the base station with which the first transmission unit 244 is communicating. For example, the storage unit 23 stores location relationship data. The location relationship data is data that associates information indicating the location with information indicating the base station with which the first transmission unit 244 is communicating, in other words, the base station with which the first transmission unit 244 should communicate at that location (for example, the base station with the highest radio wave strength at that location).

[0074] In this case, first, the acquisition unit 241 acquires base station information indicating the communication area of ​​each of the multiple base stations with which the first transmission unit 244 communicates. Then, the transmission mode switching unit 246 refers to the positional relationship data and, if the base station with which the first transmission unit 244 is communicating is not the base station associated with the location of vehicle V, switches the mode of the second transmission unit 245 to transmission mode, regardless of whether the first communication quality meets the start conditions. In this way, the information processing device 2 can transmit video via a sub-communication line if the first communication quality may deteriorate due to not communicating with the base station that should be communicating at the location of vehicle V.

[0075] In the above description, an example was given in which the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode in response to a deterioration in the first communication quality, but the system is not limited to this. For example, the transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to transmission mode in response to detecting an alert related to the vehicle V.

[0076] Specifically, first, the detection unit 247 detects an alert related to the vehicle V. The detection unit 247 acquires an alert detected by, for example, the vehicle V or the control device. The detection unit 247 may also detect an alert based on video footage. For example, the detection unit 247 analyzes video footage and detects an alert when the vehicle V rapidly approaches an object.

[0077] Then, when the detection unit 247 detects an alert, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 from stop mode to transmission mode, regardless of whether the first communication quality meets the start conditions. In this way, the information processing device 2 can improve the probability that the receiving device 1 will receive the video when there is a high probability that the video will be used.

[0078] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to transmission mode in response to instructions from the user. For example, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode in response to instructions from the user to drive the vehicle V.

[0079] Specifically, first, the acquisition unit 241 acquires a driving instruction from an external source (for example, terminal T) to start the vehicle V. Then, when the acquisition unit 241 acquires the driving instruction, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode, regardless of whether the first communication quality meets the start condition. In this way, the information processing device 2 can improve the probability that the receiving device 1 will receive a video image capturing the external state of the vehicle V when the vehicle V starts moving.

[0080] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to transmission mode in response to a user instruction to stop the vehicle V. Specifically, first, the acquisition unit 241 acquires a stop instruction from an external source to stop the vehicle V. Then, when the acquisition unit 241 acquires the stop instruction, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 from stop mode to transmission mode, regardless of whether the first communication quality meets the start conditions. In this way, the information processing device 2 can improve the probability that the receiving device 1 will receive a video image capturing the external state of the vehicle V when the vehicle V is stopped.

[0081] [Process to switch the mode of the second transmitter 245 to stop mode] Next, the process by which the transmission mode switching unit 246 switches the mode of the second transmission unit 245 from transmission mode to stop mode will be explained. After the transmission mode switching unit 246 has switched the mode of the second transmission unit 245 to transmission mode, if the first communication quality improves, it switches the mode of the second transmission unit 245 to stop mode.

[0082] Specifically, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode, and then switches the mode of the second transmission unit 245 to stop mode if the first communication quality satisfies the stop conditions defined as conditions for the second transmission unit 245 to stop transmitting video. The stop conditions include, for example, high radio wave reception strength, low degree of radio interference, high communication speed, low communication latency, low degree of packet loss, or low degree of packet drop.

[0083] More specifically, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to stop mode when the quality value indicating the current first communication quality is equal to or greater than the stop threshold. The stop threshold is a threshold defined as a stop condition, and is a threshold defined to determine whether or not the first communication quality has improved. For example, it is a value that indicates the first communication quality is higher than the start threshold defined as a start condition.

[0084] For example, first, the transmission mode switching unit 246 measures a quality value indicating the current first communication quality. Then, the transmission mode switching unit 246 determines whether the measured quality value is above or below the stop threshold, and if it determines that the measured quality value is above or below the stop threshold, it switches the mode of the second transmission unit 245 to stop mode. On the other hand, if the transmission mode switching unit 246 determines that the measured quality value is not above or below the stop threshold, it does not switch the mode of the second transmission unit 245 to stop mode. In this way, the information processing device 2 can reduce resource consumption caused by transmitting moving images via a sub-communication line.

[0085] Furthermore, the transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to stop mode if the statistical value of the quality value from the present to a predetermined period prior is equal to or greater than the stop threshold. In this way, the information processing device 2 can stop transmitting video via the sub-communication line when there is a high probability that the first communication quality has improved.

[0086] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to stop mode depending on the period during which the quality value indicating the current first communication quality has been above or below the stop threshold. For example, if the start condition is defined as the RTT exceeding the start threshold corresponding to the RTT for at least 1 second in the last 5 seconds, then a stricter stop condition may be defined as the RTT falling below the stop threshold corresponding to the RTT for 5 consecutive seconds in the last 5 seconds. This makes the condition stricter by creating a difference in the number of times the RTT is above or below the threshold without changing the values ​​of the thresholds, including the start threshold and the stop threshold. Alternatively, as another pattern of strict stop conditions, the condition may be defined as the RTT falling below half of the start threshold corresponding to the RTT (e.g., 100 milliseconds) for at least 1 second in the last 5 seconds (e.g., if the start threshold is 100 milliseconds, then half of 100 milliseconds is 50 milliseconds). This makes the condition stricter by creating a difference in the threshold without changing the "at least 1 second" requirement. As described above, by creating a difference in the difficulty of achieving the start condition and the stop condition, the information processing device 2 can switch the mode of the second transmission unit 245 from stop mode to transmission mode even if there is a slight abnormality in the transmission of moving images via the first communication line. Furthermore, the information processing device 2 can switch the mode of the second transmission unit 245 from transmission mode to stop mode only after the transmission of moving images via the first communication line has become sufficiently stable. As a result, the information processing device 2 can minimize any possible image distortion and minimize the transmission of moving images via the second communication line.

[0087] The transmission mode switching unit 246 may further switch the mode of the second transmission unit 245 to stop mode, taking into consideration quality values ​​measured in the past along the route on which the vehicle V is traveling. Specifically, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to stop mode if the quality value indicating the current first communication quality and the quality value (statistical value) associated with a measurement point that is relatively close to the vehicle V's current location along the route among a plurality of measurement points included in the communication quality data stored in the storage unit 23 are both above a stop threshold.

[0088] The transmission mode switching unit 246 switches the mode of the second transmission unit 245 to stop mode when, for example, the quality value indicating the current first communication quality and the quality value associated with the closest measurement point on the driving route from the vehicle V's current location among the multiple measurement points included in the communication quality data stored in the storage unit 23 are both above a stop threshold. In this way, the information processing device 2 can stop transmitting video via the sub-communication line when there is a high probability that the first communication quality has improved.

[0089] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to stop mode depending on whether the vehicle V is included in a predetermined switching area. For example, the information processing device 2 has a stop switching area defined as a switching area. The stop switching area is an area in which the mode of the second transmission unit 245 is switched to stop mode, and is, for example, a switching area defined as an area where the first communication quality is poor.

[0090] In this case, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to stop mode when the vehicle V is included in the stop switching area and the first communication quality satisfies the stop condition. For example, first, the acquisition unit 241 acquires position information indicating the position of the vehicle V at predetermined intervals. Then, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to stop mode when the position of the vehicle V indicated by the position information acquired by the acquisition unit 241 is included in the stop switching area and the first communication quality satisfies the stop condition. In this way, the information processing device 2 can stop transmitting video via the sub-communication line when the vehicle V enters an area where the first communication quality is improved.

[0091] Here, if the mode of the second transmitter 245 is switched to the transmission mode in response to a deterioration in the first communication quality, it is conceivable that the second communication quality, which is the quality of communication from the time the second transmitter 245 transmits the video until the receiving device 1 receives the video, will also deteriorate. Therefore, the information processing device 2 may control the compression of the video in response to the deterioration of the second communication quality.

[0092] Specifically, the compression mode switching unit 248 switches the mode of the compression unit 242 from high-quality mode to low-quality mode when the second communication quality satisfies the low-quality conditions after the transmission mode switching unit 246 has switched the mode of the second transmission unit 245 to transmission mode. The low-quality conditions are quality conditions defined as conditions for reducing the quality of the video, and include, for example, low radio wave reception strength, high degree of radio interference, slow communication speed, high communication latency, high degree of packet loss, or high degree of packet drop. The high-quality mode is a mode that compresses the video at high quality. The low-quality mode is a mode that compresses the video at low quality, for example, a mode in which the bitrate for compressing the video is lower than that of the high-quality mode.

[0093] For example, if a quality value indicating the second communication quality (e.g., the degree of packet loss) indicates that a lower value means lower communication quality, the compression mode switching unit 248 switches the mode of the compression unit 242 to low-quality mode if the current quality value indicating the second communication quality is less than the low-quality threshold defined as a low-quality condition. For example, first, the compression mode switching unit 248 further functions as a measurement unit and measures the quality value indicating the current second communication quality. Then, the compression mode switching unit 248 determines whether the measured quality value is less than the low-quality threshold, and if it determines that the quality value is less than the low-quality threshold, it switches the mode of the compression unit 242 to low-quality mode. On the other hand, if the compression mode switching unit 248 determines that the measured quality value is not less than the low-quality threshold, that is, if it determines that the measured quality value is greater than or equal to the low-quality threshold, it does not switch the mode of the compression unit 242 to low-quality mode. Furthermore, if the quality value indicating the second communication quality (e.g., RTT) indicates that a higher value means lower communication quality, the compression mode switching unit 248 may switch the mode of the compression unit 242 to low-quality mode if the current quality value indicating the second communication quality is above the low-quality threshold. By doing so, the information processing device 2 can reduce the risk that the receiving device 1 will not be able to receive the video.

[0094] The compression mode switching unit 248 switches the mode of the compression unit 242 from low quality mode to high quality mode if the second communication quality satisfies the high quality conditions after switching the mode of the compression unit 242 to low quality mode. The high quality conditions are quality conditions defined as conditions for improving the quality of moving images, and include, for example, a high degree of radio wave reception strength, a low degree of radio wave interference, a high communication speed, a low communication latency, a low degree of packet loss, or a low degree of packet drop.

[0095] For example, if the quality value indicating the second communication quality is such that a higher value indicates higher communication quality, the compression mode switching unit 248 switches the mode of the compression unit 242 to high-quality mode if the current quality value indicating the second communication quality is equal to or greater than the high-quality threshold defined as a high-quality condition. For example, first, the compression mode switching unit 248 measures the current quality value indicating the second communication quality.

[0096] The compression mode switching unit 248 then determines whether the measured quality value is above or below the high-quality threshold, and if it determines that the quality value is above or below the high-quality threshold, it switches the mode of the compression unit 242 to high-quality mode. On the other hand, if the compression mode switching unit 248 determines that the measured quality value is not above or below the high-quality threshold, that is, if it determines that the measured quality value is below the high-quality threshold, it does not switch the mode of the compression unit 242 to high-quality mode. In cases where a lower quality value indicates the second communication quality, the compression mode switching unit 248 may switch the mode of the compression unit 242 to high-quality mode if the current quality value indicating the second communication quality is below the high-quality threshold defined as a high-quality condition. In this way, the information processing device 2 can transmit high-quality video when the first communication quality is improved.

[0097] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to stop mode, provided that the compression mode switching unit 248 has switched the mode of the compression unit 242 to high-quality mode. Specifically, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to stop mode after the compression mode switching unit 248 has switched the mode of the compression unit 242 to high-quality mode and the first communication quality satisfies the stop condition. In this way, the information processing device 2 can stop transmitting video via the sub-communication line after the first communication quality corresponding to high-quality video has improved.

[0098] In the above description, an example was given in which the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to stop mode in response to an improvement in the first communication quality, but this is not limited to this example. For example, the transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to stop mode in response to instructions from the user.

[0099] Specifically, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode in response to the acquisition unit 241 acquiring a driving instruction, and then, if the first communication quality satisfies the stop condition, it switches the mode of the second transmission unit 245 to stop mode, provided that the speed of the vehicle V exceeds a predetermined threshold speed (for example, 30 kilometers per hour). In this way, the information processing device 2 can stop transmitting video via the sub-communication line after the vehicle V has reached a certain speed range and is in a stable driving state.

[0100] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to stop mode in response to a user's instruction to stop the vehicle V. Specifically, first, the acquisition unit 241 acquires a stop instruction from an external source (for example, terminal T) to stop the vehicle V. Then, after the acquisition unit 241 has acquired the stop instruction, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to transmission mode, and then switches the mode of the second transmission unit 245 to stop mode when the vehicle V stops. In this way, the information processing device 2 can stop transmitting video via the sub-communication line after the vehicle V has stopped.

[0101] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to stop mode depending on whether the receiving device 1 has selected either the video transmitted via the first communication line or the video transmitted via the second communication line as the video to be recorded. Specifically, first, the acquisition unit 241 acquires selection information from the receiving device 1 at predetermined intervals. The selection information indicates that either the video transmitted by the first transmission unit 244 via the first communication line or the video transmitted by the second transmission unit 245 via the second communication line has been selected as the video to be recorded.

[0102] Furthermore, if the selection information acquired by the acquisition unit 241 immediately before indicates that the video transmitted via the second communication line has been selected, the transmission mode switching unit 246 will not switch the mode of the second transmission unit 245 to stop mode, regardless of whether the first communication quality satisfies the stop condition. On the other hand, if the first communication quality satisfies the stop condition, the transmission mode switching unit 246 will switch the mode of the second transmission unit 245 to stop mode if the selection information acquired by the acquisition unit 241 immediately before indicates that the video transmitted by the first transmission unit 244 via the first communication line has been selected. In this way, the information processing device 2 can prevent the transmission of the video recorded by the receiving device 1 from stopping.

[0103] The transmission mode switching unit 246 may switch the mode of the second transmission unit 245 to stop mode depending on whether the receiving device 1 has selected either a video transmitted via the first communication line or a video transmitted via the second communication line as the video to be distributed, that is, whether the user is viewing a video transmitted via the first communication line or a video transmitted via the second communication line. Specifically, first, the acquisition unit 241 acquires display status information from the receiving device 1 at predetermined intervals. The display status information is information indicating whether or not the video transmitted by the second transmission unit 245 via the second communication line is being displayed (distributed). The acquisition unit 241 may also acquire selection information as display status information.

[0104] Furthermore, if the display status information acquired by the acquisition unit 241 immediately before indicates that a video transmitted by the second transmission unit 245 via the second communication line is being displayed, the transmission mode switching unit 246 does not switch the mode of the second transmission unit 245 to stop mode, regardless of whether the first communication quality satisfies the stop condition. On the other hand, if the first communication quality satisfies the stop condition, the transmission mode switching unit 246 switches the mode of the second transmission unit 245 to stop mode if the display status information acquired by the acquisition unit 241 immediately before indicates that a video transmitted by the second transmission unit 245 via the second communication line is not being displayed. "The state in which a video transmitted by the second transmission unit 245 via the second communication line is not being displayed" means, for example, that a video transmitted by the first transmission unit 244 via the first communication line is being displayed, or that the receiving device 1 is not distributing any video to terminal T. In this way, the information processing device 2 can prevent the transmission of the video being viewed by the user from being stopped.

[0105] [Processing flow of Information Processing Device 2] Next, the processing flow of the information processing device 2 will be explained. Figure 6 is a flowchart showing the processing flow of the information processing device 2. Figure 6 shows the flow until the mode of the second transmission unit 245 is switched to stop mode. This process starts when the transmission mode switching unit 246 switches the mode of the first transmission unit 244 to transmission mode before the vehicle V starts automatic driving (S1).

[0106] The transmission mode switching unit 246 determines whether the first communication quality meets the start condition (S2). If the transmission mode switching unit 246 determines that the first communication quality does not meet the start condition (NO in S2), it returns to the state before S2. On the other hand, if the transmission mode switching unit 246 determines that the first communication quality meets the start condition (YES in S2), it switches the mode of the second transmission unit 245 from stop mode to transmission mode (S3).

[0107] The transmission mode switching unit 246 determines whether the first communication quality satisfies the stop condition (S4). If the transmission mode switching unit 246 determines that the first communication quality does not satisfy the stop condition (NO in S4), it returns to the state before S4. On the other hand, if the transmission mode switching unit 246 determines that the first communication quality satisfies the stop condition (YES in S4), it switches the mode of the second transmission unit 245 from transmission mode to stop mode (S5).

[0108] [Effects of this embodiment] As explained above, the information processing device 2 first switches the mode of transmitting video via the first communication line from stop mode to transmit mode before the vehicle V starts automatic driving. Subsequently, after switching the mode of transmitting video via the first communication line to transmit mode, if the first communication quality satisfies the start condition, the information processing device 2 switches the mode of transmitting video via the second communication line from stop mode to transmit mode. Then, if the first communication quality satisfies the stop condition, the information processing device 2 switches the mode of transmitting video via the second communication line from transmit mode to stop mode. In this way, the information processing device 2 can make it less likely for the quality of video received by the receiving device 1 to deteriorate.

[0109] Furthermore, this invention will make it possible to contribute to Goal 9 of the United Nations-led Sustainable Development Goals (SDGs), "Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation."

[0110] Although the present invention has been described above using embodiments, the technical scope of the present invention is not limited to the scope described in the above embodiments, and various modifications and changes are possible within the scope of its gist. For example, all or part of the apparatus can be configured by functionally or physically distributing and integrating in any unit. Furthermore, new embodiments resulting from any combination of multiple embodiments are also included in the embodiments of the present invention. The effects of the new embodiments resulting from the combinations are combined with the effects of the original embodiments. [Explanation of Symbols]

[0111] 1. Receiving device 2. Information Processing Device 21. First Communications Department 22. Second Communications Department 23 Memory section 24 Control Unit 241 Acquisition Department 242 Compression section 243 Transmitter 244 First Transmitter 245 Second Transmitter 246 Transmission mode switching section 247 Detection unit 248 Compression mode switching section C Camera D Storage S Information Processing System T terminal V Vehicle

Claims

1. A first transmission unit transmits a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line. A second transmitting unit transmits the video to the receiving device via a second communication line, which is a different communication line from the first communication line. A transmission mode switching unit that, before the moving object starts moving, switches the mode of the first transmission unit from a stop mode in which it does not transmit the moving image to a transmission mode in which it transmits the moving image, and after the mode of the first transmission unit has been switched to the transmission mode, switches the mode of the second transmission unit from the stop mode to the transmission mode if the first communication quality, which is the quality of communication between the time the first transmission unit transmits the moving image and the time the receiving device receives the moving image, satisfies the start condition defined as the condition for the second transmission unit to start transmitting the moving image, and switches the mode of the second transmission unit from the transmission mode to the stop mode if the first communication quality satisfies the stop condition defined as the condition for the second transmission unit to stop transmitting the moving image, An acquisition unit that acquires a drive instruction to move the mobile body and a stop instruction to stop the mobile body from an external source, It has, The transmission mode switching unit, when the acquisition unit acquires the driving instruction or the stopping instruction, switches the mode of the second transmission unit from the stopping mode to the transmission mode, regardless of whether the first communication quality satisfies the start condition. Information processing device.

2. The transmission mode switching unit, after the acquisition unit has acquired the driving instruction, switches the mode of the second transmission unit from the stop mode to the transmission mode, provided that the first communication quality satisfies the stop condition and the speed of the moving body exceeds a predetermined threshold speed, or, after the acquisition unit has acquired the stop instruction, switches the mode of the second transmission unit from the transmission mode to the stop mode when the moving body stops. The information processing apparatus according to claim 1.

3. A first transmitting unit that transmits a moving image captured by a camera mounted on a mobile body to a receiving device that receives the moving image via a first communication line, A second transmitting unit transmits the video to the receiving device via a second communication line, which is a different communication line from the first communication line. A transmission mode switching unit that, before the moving object starts moving, switches the mode of the first transmission unit from a stop mode in which it does not transmit the moving image to a transmission mode in which it transmits the moving image, and after the mode of the first transmission unit has been switched to the transmission mode, switches the mode of the second transmission unit from the stop mode to the transmission mode if the first communication quality, which is the quality of communication between the time the first transmission unit transmits the moving image and the time the receiving device receives the moving image, satisfies the start condition defined as the condition for the second transmission unit to start transmitting the moving image, and switches the mode of the second transmission unit from the transmission mode to the stop mode if the first communication quality satisfies the stop condition defined as the condition for the second transmission unit to stop transmitting the moving image, It has, The transmission mode switching unit refers to positional relationship data, which associates information indicating the position of the mobile body with information indicating the base station with which the first transmission unit communicates, for each position on the travel route the mobile body travels. If the base station associated with the position of the mobile body is not included among the one or more base stations with which the first transmission unit communicates, the second transmission unit switches the mode from the stop mode to the transmission mode, regardless of whether the first communication quality satisfies the start condition. Information processing device.

4. A first transmitting unit that transmits a moving image captured by a camera mounted on a mobile body to a receiving device that receives the moving image via a first communication line, A second transmitting unit transmits the video to the receiving device via a second communication line, which is a different communication line from the first communication line. A transmission mode switching unit that, before the moving object starts moving, switches the mode of the first transmission unit from a stop mode in which it does not transmit the moving image to a transmission mode in which it transmits the moving image, and after the mode of the first transmission unit has been switched to the transmission mode, switches the mode of the second transmission unit from the stop mode to the transmission mode if the first communication quality, which is the quality of communication between the time the first transmission unit transmits the moving image and the time the receiving device receives the moving image, satisfies the start condition defined as the condition for the second transmission unit to start transmitting the moving image, and switches the mode of the second transmission unit from the transmission mode to the stop mode if the first communication quality satisfies the stop condition defined as the condition for the second transmission unit to stop transmitting the moving image, It has, The transmission mode switching unit refers to positional relationship data, which associates information indicating the position of each location on the travel route of the mobile body with information indicating a base station that the first transmission unit communicates with, determined based on the radio wave strength at that location. If the base station that the first transmission unit is communicating with is not the base station associated with the location of the mobile body, the second transmission unit switches the mode from the stop mode to the transmission mode, regardless of whether the first communication quality satisfies the start condition. Information processing device.

5. A first transmitting unit that transmits a moving image captured by a camera mounted on a mobile body to a receiving device that receives the moving image via a first communication line, A second transmitting unit transmits the video to the receiving device via a second communication line, which is a different communication line from the first communication line. A transmission mode switching unit that, before the moving object starts moving, switches the mode of the first transmission unit from a stop mode in which it does not transmit the moving image to a transmission mode in which it transmits the moving image, and after the mode of the first transmission unit has been switched to the transmission mode, switches the mode of the second transmission unit from the stop mode to the transmission mode if the first communication quality, which is the quality of communication between the time the first transmission unit transmits the moving image and the time the receiving device receives the moving image, satisfies the start condition defined as the condition for the second transmission unit to start transmitting the moving image, and switches the mode of the second transmission unit from the transmission mode to the stop mode if the first communication quality satisfies the stop condition defined as the condition for the second transmission unit to stop transmitting the moving image, An acquisition unit acquires selection information from the receiving device at predetermined intervals, indicating that either the video transmitted by the first transmission unit via the first communication line or the video transmitted by the second transmission unit via the second communication line has been selected as the video to be recorded. It has, The transmission mode switching unit, if the selection information acquired immediately by the acquisition unit indicates that the video transmitted by the second transmission unit via the second communication line is selected, does not switch the mode of the second transmission unit from the transmission mode to the stop mode, regardless of whether the first communication quality satisfies the stop condition. If the first communication quality satisfies the stop condition, and the selection information acquired immediately by the acquisition unit indicates that the video transmitted by the first transmission unit via the first communication line is selected, the transmission mode switching unit from the transmission mode to the stop mode. Information processing device.

6. A first transmitting unit that transmits a moving image captured by a camera mounted on a mobile body to a receiving device that receives the moving image via a first communication line, A second transmitting unit transmits the video to the receiving device via a second communication line, which is a different communication line from the first communication line. A transmission mode switching unit that, before the moving object starts moving, switches the mode of the first transmission unit from a stop mode in which it does not transmit the moving image to a transmission mode in which it transmits the moving image, and after the mode of the first transmission unit has been switched to the transmission mode, switches the mode of the second transmission unit from the stop mode to the transmission mode if the first communication quality, which is the quality of communication between the time the first transmission unit transmits the moving image and the time the receiving device receives the moving image, satisfies the start condition defined as the condition for the second transmission unit to start transmitting the moving image, and switches the mode of the second transmission unit from the transmission mode to the stop mode if the first communication quality satisfies the stop condition defined as the condition for the second transmission unit to stop transmitting the moving image, An acquisition unit that acquires display status information from the receiving device at predetermined intervals, indicating whether or not the video transmitted by the second transmission unit via the second communication line is in a displayed state, It has, The transmission mode switching unit, when the display state information acquired immediately before by the acquisition unit indicates that the moving image is being displayed, does not switch the mode of the second transmission unit from the transmission mode to the stop mode, regardless of whether the first communication quality satisfies the stop condition, and when the first communication quality satisfies the stop condition, the display state information acquired immediately before by the acquisition unit indicates that the moving image is not being displayed, switches the mode of the second transmission unit from the transmission mode to the stop mode. Information processing device.

7. The transmission mode switching unit switches the mode of the second transmission unit from the stop mode to the transmission mode when at least one of the quality value indicating the current first communication quality and the statistical value indicating the statistics of the quality value from the present to a predetermined period prior is less than the start threshold defined as the start condition, and switches the mode of the second transmission unit from the transmission mode to the stop mode when at least one of the current quality value and the statistical value is equal to or greater than the stop threshold defined as the stop condition. The information processing apparatus according to any one of claims 1 to 6.

8. The stop threshold is a value that indicates the first communication quality is higher than the start threshold. The information processing apparatus according to claim 7.

9. The information processing device has defined start switching areas in the travel route on which the mobile body travels, where the mode of the second transmission unit is switched from the stop mode to the transmission mode, and a stop switching area in which the mode of the second transmission unit is switched from the transmission mode to the stop mode. The transmission mode switching unit switches the mode of the second transmission unit from the stop mode to the transmission mode when the mobile body is included in the start switching area, or when the period until the mobile body is included in the start switching area is within a predetermined threshold period, regardless of whether the first communication quality satisfies the start condition, and switches the mode of the second transmission unit from the transmission mode to the stop mode when the mobile body is included in the stop switching area and the first communication quality satisfies the stop condition. The information processing apparatus according to any one of claims 1 to 6.

10. The aforementioned information processing device is A compression unit for compressing the aforementioned video image, After the transmission mode switching unit switches the mode of the second transmission unit from the stop mode to the transmission mode, if the second communication quality, which is the quality of communication between the time the second transmission unit transmits the video and the time the receiving device receives the video, satisfies the low-quality condition defined as a condition for lowering the quality of the video, the compression mode switching unit switches the mode of the compression unit from the high-quality mode, which compresses the video in high quality, to the low-quality mode, which compresses the video in low quality, and if the second communication quality satisfies the high-quality condition defined as a condition for raising the quality of the video, the compression mode switching unit switches the mode of the compression unit from the low-quality mode to the high-quality mode, It further possesses, The information processing apparatus according to any one of claims 1 to 6.

11. The transmission mode switching unit switches the mode of the second transmission unit from the transmission mode to the stop mode when the first communication quality satisfies the stop condition after the compression mode switching unit has switched the mode of the compression unit from the low-quality mode to the high-quality mode. The information processing apparatus according to claim 10.

12. The information processing device further includes a detection unit that detects an alert related to the moving object, When the detection unit detects the alert, the transmission mode switching unit switches the mode of the second transmission unit from the stop mode to the transmission mode, regardless of whether the first communication quality satisfies the start condition. The information processing apparatus according to any one of claims 1 to 6.

13. The transmission mode switching unit switches the mode of the second transmission unit from the stop mode to the transmission mode when the mobile body is included in the communication area of ​​the base station, which is a base station that indicates an abnormal state in the acquired base station information, or when the period until the mobile body is included in the communication area is within a predetermined threshold period, regardless of whether the first communication quality satisfies the start condition. The information processing apparatus according to any one of claims 1 to 6.

14. The information processing device further includes a storage unit that stores communication quality data, which associates a statistical value indicating the statistics of the quality value with each measurement point where a quality value indicating the first communication quality was measured along a route previously traveled by the mobile body. The transmission mode switching unit switches the mode of the second transmission unit from the stop mode to the transmission mode when the mobile body is traveling along the travel route and at least one of the current quality value and the statistical value associated with the measurement point that is relatively close to the current location of the mobile body along the travel route among the plurality of measurement points included in the communication quality data is less than the start threshold defined as the start condition. The mode of the second transmission unit switches from the transmission mode to the stop mode when the current quality value and the statistical value associated with the measurement point that is relatively close to the current location of the mobile body along the travel route among the plurality of measurement points included in the communication quality data are both equal to or greater than the stop threshold defined as the stop condition. The information processing apparatus according to any one of claims 1 to 6.

15. A computer executes The steps include transmitting a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line, The steps include transmitting the video to the receiving device via a second communication line, which is a different communication line from the first communication line, Before the moving object starts moving, the mode of the step of transmitting the moving image via the first communication line is switched from a stop mode in which the moving image is not transmitted to a transmission mode in which the moving image is transmitted, After switching the mode of the step of transmitting the video via the first communication line to the transmission mode, if the first communication quality, which is the communication quality from the time the video is transmitted in the step of transmitting the video via the first communication line until the receiving device receives the video, satisfies the start condition defined as the condition for starting the transmission of the video in the step of transmitting the video via the second communication line, the mode of the step of transmitting the video via the second communication line is switched from the stop mode to the transmission mode, and if the first communication quality satisfies the stop condition defined as the condition for stopping the transmission of the video in the step of transmitting the video via the second communication line, the mode of the step of transmitting the video via the second communication line is switched from the transmission mode to the stop mode, The steps include obtaining a drive instruction from an external source to move the mobile body and a stop instruction to stop the mobile body, It has, In the step of switching the mode of the step of transmitting the video via the second communication line, when a drive instruction or a stop instruction is received, regardless of whether the first communication quality satisfies the start condition, the mode of the step of transmitting the video via the second communication line is switched from the stop mode to the transmission mode. Information processing methods.

16. Computers, A first transmitting unit transmits a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line. A second transmitting unit transmits the video to the receiving device via a second communication line, which is a different communication line from the first communication line. A transmission mode switching unit that, before the moving object starts moving, switches the mode of the first transmission unit from a stop mode in which it does not transmit the video to a transmission mode in which it transmits the video; after the mode of the first transmission unit has been switched to the transmission mode, if the first communication quality, which is the quality of communication between the time the first transmission unit transmits the video and the time the receiving device receives the video, satisfies the start condition defined as the condition for the second transmission unit to start transmitting the video, switches the mode of the second transmission unit from the stop mode to the transmission mode; and if the first communication quality satisfies the stop condition defined as the condition for the second transmission unit to stop transmitting the video, switches the mode of the second transmission unit from the transmission mode to the stop mode. An acquisition unit that acquires a drive instruction to move the mobile body and a stop instruction to stop the mobile body from an external source. To make it function as, The transmission mode switching unit, when the acquisition unit acquires the driving instruction or the stopping instruction, switches the mode of the second transmission unit from the stopping mode to the transmission mode, regardless of whether the first communication quality satisfies the start condition. program.

17. A computer executes, The steps include transmitting a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line, The steps include transmitting the video to the receiving device via a second communication line, which is a different communication line from the first communication line, Before the moving object starts moving, the mode of the step of transmitting the moving image via the first communication line is switched from a stop mode in which the moving image is not transmitted to a transmission mode in which the moving image is transmitted, After switching the mode of the step of transmitting the video via the first communication line to the transmission mode, if the first communication quality, which is the communication quality from the time the video is transmitted in the step of transmitting the video via the first communication line until the receiving device receives the video, satisfies the start condition defined as the condition for starting the transmission of the video in the step of transmitting the video via the second communication line, the mode of the step of transmitting the video via the second communication line is switched from the stop mode to the transmission mode, and if the first communication quality satisfies the stop condition defined as the condition for stopping the transmission of the video in the step of transmitting the video via the second communication line, the mode of the step of transmitting the video via the second communication line is switched from the transmission mode to the stop mode, It has, In the step of switching the mode of the step of transmitting the video via the second communication line, the system refers to positional relationship data, which associates information indicating the position with information indicating a base station communicating via the first communication line for each position on the route traveled by the mobile body, and if one or more base stations communicating via the first communication line do not include the base station associated with the position of the mobile body, the system switches the mode of the step of transmitting the video via the second communication line from the stop mode to the transmit mode, regardless of whether the first communication quality satisfies the start condition. Information processing methods.

18. A computer, A first transmitting unit transmits a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line. A second transmission unit transmits the video to the receiving device via a second communication line, which is a different communication line from the first communication line, and A transmission mode switching unit switches the mode of the first transmission unit from a stop mode (where it does not transmit the video) to a transmission mode (where it transmits the video) before the moving object starts moving, and after the mode of the first transmission unit has been switched to the transmission mode, if the first communication quality (the quality of communication between the time the first transmission unit transmits the video and the time the receiving device receives the video) satisfies the start condition (defined as the condition for the second transmission unit to start transmitting the video), the mode of the second transmission unit from the stop mode to the transmission mode, and if the first communication quality satisfies the stop condition (defined as the condition for the second transmission unit to stop transmitting the video), the mode of the second transmission unit from the transmission mode to the stop mode. To make it function as, The transmission mode switching unit refers to positional relationship data, which associates information indicating the position of the mobile body with information indicating the base station with which the first transmission unit communicates, for each position on the travel route the mobile body travels. If the base station associated with the position of the mobile body is not included among the one or more base stations with which the first transmission unit communicates, the second transmission unit switches the mode from the stop mode to the transmission mode, regardless of whether the first communication quality satisfies the start condition. program.

19. A computer executes, The steps include transmitting a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line, The steps include transmitting the video to the receiving device via a second communication line, which is a different communication line from the first communication line, Before the moving object starts moving, the mode of the step of transmitting the moving image via the first communication line is switched from a stop mode in which the moving image is not transmitted to a transmission mode in which the moving image is transmitted, After switching the mode of the step of transmitting the video via the first communication line to the transmission mode, if the first communication quality, which is the communication quality from the time the video is transmitted in the step of transmitting the video via the first communication line until the receiving device receives the video, satisfies the start condition defined as the condition for starting the transmission of the video in the step of transmitting the video via the second communication line, the mode of the step of transmitting the video via the second communication line is switched from the stop mode to the transmission mode, and if the first communication quality satisfies the stop condition defined as the condition for stopping the transmission of the video in the step of transmitting the video via the second communication line, the mode of the step of transmitting the video via the second communication line is switched from the transmission mode to the stop mode, It has, In the step of switching the mode of the step of transmitting the moving image via the second communication line, the system refers to positional relationship data which associates information indicating the position of each location on the route traveled by the mobile body with information indicating a base station that communicates via the first communication line and which is determined based on the radio wave strength at that location, and if the base station communicating via the first communication line is not the base station associated with the location of the mobile body, the system switches the mode of the step of transmitting the moving image via the second communication line from the stop mode to the transmit mode, regardless of whether the first communication quality satisfies the start condition. Information processing methods.

20. A computer, A first transmitting unit transmits a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line. A second transmission unit transmits the video to the receiving device via a second communication line, which is a different communication line from the first communication line, and A transmission mode switching unit switches the mode of the first transmission unit from a stop mode (where it does not transmit the video) to a transmission mode (where it transmits the video) before the moving object starts moving, and after the mode of the first transmission unit has been switched to the transmission mode, if the first communication quality (the quality of communication between the time the first transmission unit transmits the video and the time the receiving device receives the video) satisfies the start condition (defined as the condition for the second transmission unit to start transmitting the video), the mode of the second transmission unit from the stop mode to the transmission mode, and if the first communication quality satisfies the stop condition (defined as the condition for the second transmission unit to stop transmitting the video), the mode of the second transmission unit from the transmission mode to the stop mode. To make it function as, The transmission mode switching unit refers to positional relationship data, which associates information indicating the position of each location on the travel route of the mobile body with information indicating a base station that the first transmission unit communicates with, determined based on the radio wave strength at that location. If the base station that the first transmission unit is communicating with is not the base station associated with the location of the mobile body, the second transmission unit switches the mode from the stop mode to the transmission mode, regardless of whether the first communication quality satisfies the start condition. program.

21. A computer executes, The steps include transmitting a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line, The steps include transmitting the video to the receiving device via a second communication line, which is a different communication line from the first communication line, Before the moving object starts moving, the mode of the step of transmitting the moving image via the first communication line is switched from a stop mode in which the moving image is not transmitted to a transmission mode in which the moving image is transmitted, After switching the mode of the step of transmitting the video via the first communication line to the transmission mode, if the first communication quality, which is the communication quality from the time the video is transmitted in the step of transmitting the video via the first communication line until the receiving device receives the video, satisfies the start condition defined as the condition for starting the transmission of the video in the step of transmitting the video via the second communication line, the mode of the step of transmitting the video via the second communication line is switched from the stop mode to the transmission mode, and if the first communication quality satisfies the stop condition defined as the condition for stopping the transmission of the video in the step of transmitting the video via the second communication line, the mode of the step of transmitting the video via the second communication line is switched from the transmission mode to the stop mode, The receiving device acquires selection information at predetermined intervals, indicating that either the video transmitted via the first communication line or the video transmitted via the second communication line has been selected as the video to be recorded. It has, In the step of switching the mode of the step of transmitting the video via the second communication line, if the selection information acquired immediately before indicates that the video transmitted via the second communication line is selected, the mode of the step of transmitting the video via the second communication line is not switched from the transmission mode to the stop mode, regardless of whether the first communication quality satisfies the stop condition, and if the first communication quality satisfies the stop condition, if the selection information acquired immediately before indicates that the video transmitted via the first communication line is selected, the mode of the step of transmitting the video via the second communication line is switched from the transmission mode to the stop mode. Information processing methods.

22. A computer, A first transmitting unit transmits a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line. A second transmitting unit transmits the video to the receiving device via a second communication line, which is a different communication line from the first communication line. A transmission mode switching unit that, before the moving object starts moving, switches the mode of the first transmission unit from a stop mode in which it does not transmit the video to a transmission mode in which it transmits the video; after the mode of the first transmission unit has been switched to the transmission mode, if the first communication quality, which is the quality of communication between the time the first transmission unit transmits the video and the time the receiving device receives the video, satisfies the start condition defined as the condition for the second transmission unit to start transmitting the video, switches the mode of the second transmission unit from the stop mode to the transmission mode; and if the first communication quality satisfies the stop condition defined as the condition for the second transmission unit to stop transmitting the video, switches the mode of the second transmission unit from the transmission mode to the stop mode. An acquisition unit acquires selection information from the receiving device at predetermined intervals, indicating that either the video transmitted by the first transmission unit via the first communication line or the video transmitted by the second transmission unit via the second communication line has been selected as the video to be recorded. To make it function as, The transmission mode switching unit, if the selection information acquired immediately by the acquisition unit indicates that the video transmitted by the second transmission unit via the second communication line is selected, does not switch the mode of the second transmission unit from the transmission mode to the stop mode, regardless of whether the first communication quality satisfies the stop condition. If the first communication quality satisfies the stop condition, and the selection information acquired immediately by the acquisition unit indicates that the video transmitted by the first transmission unit via the first communication line is selected, the transmission mode switching unit from the transmission mode to the stop mode. program.

23. A computer executes, The steps include transmitting a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line, The steps include transmitting the video to the receiving device via a second communication line, which is a different communication line from the first communication line, Before the moving object starts moving, the mode of the step of transmitting the moving image via the first communication line is switched from a stop mode in which the moving image is not transmitted to a transmission mode in which the moving image is transmitted, After switching the mode of the step of transmitting the video via the first communication line to the transmission mode, if the first communication quality, which is the communication quality from the time the video is transmitted in the step of transmitting the video via the first communication line until the receiving device receives the video, satisfies the start condition defined as the condition for starting the transmission of the video in the step of transmitting the video via the second communication line, the mode of the step of transmitting the video via the second communication line is switched from the stop mode to the transmission mode, and if the first communication quality satisfies the stop condition defined as the condition for stopping the transmission of the video in the step of transmitting the video via the second communication line, the mode of the step of transmitting the video via the second communication line is switched from the transmission mode to the stop mode, The receiving device acquires display status information at predetermined intervals, indicating whether or not the video transmitted via the second communication line is currently displayed. It has, In the step of switching the mode of the step of transmitting the video via the second communication line, if the display state information acquired immediately before indicates that the video is being displayed, the mode of the step of transmitting the video via the second communication line is not switched from the transmission mode to the stop mode, regardless of whether the first communication quality satisfies the stop condition, and if the first communication quality satisfies the stop condition, and the display state information acquired immediately before indicates that the video is not being displayed, the mode of the step of transmitting the video via the second communication line is switched from the transmission mode to the stop mode. Information processing methods.

24. A computer, A first transmitting unit transmits a video image captured by a camera mounted on a mobile device to a receiving device that receives the video image via a first communication line. A second transmitting unit transmits the video to the receiving device via a second communication line, which is a different communication line from the first communication line. A transmission mode switching unit that, before the moving object starts moving, switches the mode of the first transmission unit from a stop mode in which it does not transmit the video to a transmission mode in which it transmits the video; after the mode of the first transmission unit has been switched to the transmission mode, if the first communication quality, which is the quality of communication between the time the first transmission unit transmits the video and the time the receiving device receives the video, satisfies the start condition defined as the condition for the second transmission unit to start transmitting the video, switches the mode of the second transmission unit from the stop mode to the transmission mode; and if the first communication quality satisfies the stop condition defined as the condition for the second transmission unit to stop transmitting the video, switches the mode of the second transmission unit from the transmission mode to the stop mode. An acquisition unit acquires display status information from the receiving device at predetermined intervals, indicating whether or not the video transmitted by the second transmission unit via the second communication line is currently displayed. To make it function as, The transmission mode switching unit, when the display state information acquired immediately before by the acquisition unit indicates that the moving image is being displayed, does not switch the mode of the second transmission unit from the transmission mode to the stop mode, regardless of whether the first communication quality satisfies the stop condition, and when the first communication quality satisfies the stop condition, the display state information acquired immediately before by the acquisition unit indicates that the moving image is not being displayed, switches the mode of the second transmission unit from the transmission mode to the stop mode. program.

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