A method and system for identifying a courier slip

Abstract

The application provides a method and system for identifying express delivery tags. The method is applied to an express delivery tag identification system, which comprises at least one express delivery vehicle and at least one identification device. The express delivery vehicle drags at least one roller to run on a track. The method comprises the following steps: when a target roller loaded with express delivery arrives at an identification area of the identification device, the identification device acquires a target image of the target roller, determines target identification information of the target roller and target tag information of the express delivery based on an identification result of the target image, determines a target unloading position associated with the target tag information, and sends the target identification information and the target unloading position to a target express delivery vehicle that drags the target roller. The target express delivery vehicle controls the target roller to unload the express delivery at the target unloading position based on the target identification information, so that the express delivery tag and the unique identification information of the roller can be accurately identified by one-time shooting, and the unloading position can be accurately analyzed.

Description

Technical Field

[0001] This application relates to the field of logistics information processing technology, and more specifically, to a method and system for recognizing express delivery waybills. Background Technology

[0002] With the development of artificial intelligence technology, intelligent express sorting technology is becoming increasingly mature, and the need for human intervention is decreasing. Intelligent express sorting technology can be broadly divided into identification, loading, and unloading. Unlike traditional express sorting technologies, intelligent express sorting lines use a type of sorting cart for intelligent sorting of packages. This cart moves along a track, dragging multiple rotating sorting rollers to sort the packages.

[0003] Effective identification of parcels is the first and crucial step in correct sorting. Current parcel label recognition technology uses rapid scanning devices; specifically, 2-3 scanning devices are typically set up in the identification area. These devices scan and photograph at a high frequency regardless of whether there are parcels present, often resulting in errors, regardless of power consumption. Specifically, in a high-speed intelligent sorting line, each parcel is on a corresponding sorting roller on each vehicle. Each roller on each vehicle has unique identification information, and each sorting roller contains exactly one parcel. The scanning device identifies the unique identification information of the roller within the vehicle using barcodes. However, traditional OCR scanning technology is ineffective for parcel label analysis because, during rapid vehicle movement, traditional OCR technology easily misidentifies the roller's identification information as the parcel label. Furthermore, because traditional OCR cameras continuously photograph parcels, the unique identification information of the roller is easily recognized multiple times, leading to an increase in abnormal orders. Consequently, the vehicle cannot accurately determine the unloading location, resulting in incorrect parcel placement. Summary of the Invention

[0004] In view of this, the purpose of this application is to provide a method and system for recognizing express delivery waybills, which can accurately identify the waybill and the identification information of the rollers of the vehicle where the express delivery is stored by taking a single photo, thereby accurately determining the unloading location of the express delivery and completing intelligent sorting accurately and quickly.

[0005] This application provides a method for recognizing express delivery waybills, applied to an express delivery waybill recognition system. The express delivery waybill recognition system includes: at least one express delivery vehicle and at least one recognition device, wherein each express delivery vehicle drags at least one roller on a track; the method includes:

[0006] When the target roller carrying the express delivery arrives at the recognition area of ​​the recognition device, the recognition device acquires the target image of the target roller;

[0007] Based on the recognition result of the target image, the recognition device determines the target identification information of the target roller and the target waybill information of the express delivery; wherein, the target identification information is used to characterize the target roller;

[0008] Based on the target waybill information, the identification device determines the target drop location associated with the target waybill information and sends the target identification information and the target drop location to the target delivery vehicle that is dragging the target roller.

[0009] The target delivery vehicle determines the target roller based on the target identification information and controls the target roller to unload the package at the target unloading position.

[0010] In some embodiments, the arrival of the target roller carrying the express delivery in the recognition area of ​​the recognition device is determined by the following method:

[0011] The identification device determines whether the interactive photo-taking command has been received normally; the interactive photo-taking command is generated and sent when the target delivery vehicle determines that the target roller has arrived at the identification area;

[0012] If so, then it is determined that the target roller has reached the recognition area of ​​the recognition device;

[0013] If not, the target roller is determined to have reached the recognition area of ​​the recognition device based on the roller arrival signal sent by the arrival detection component in the express waybill recognition system.

[0014] In some embodiments, in the express waybill recognition method, the recognition device determines whether it has received the interactive photo-taking command normally, including:

[0015] The identification device determines whether an interactive photo-taking command is received after the roller is in position signal;

[0016] If not, the identification device confirms that it has successfully received the interactive photo-taking command.

[0017] If so, determine whether the time difference between receiving the roller arrival signal and the interactive photo-taking command meets a preset time threshold; the preset time threshold is determined based on at least one of the following factors: the preset photo-taking delay of the identification device, the real-time speed information of the target delivery vehicle, the length of the roller, and the installation position of the arrival detection component;

[0018] If so, the recognition device confirms that it has successfully received the interactive photo-taking command.

[0019] In some embodiments, the interactive photo-taking command in the express waybill recognition method is generated through the following steps:

[0020] The target delivery vehicle determines the real-time position of the target roller on the track based on the position signals collected by the sensor module;

[0021] The target delivery vehicle corrects its real-time position based on its own real-time speed information and the preset photo-taking delay of the identification device.

[0022] When the corrected real-time target position meets the preset position conditions corresponding to the recognition area of ​​the recognition device, it is determined that the target roller has reached the recognition area, and an interactive photo-taking command is generated.

[0023] In some embodiments, the express waybill identification method, the target express vehicle determines the real-time position of the target roller on the track based on the position signal collected by the position sensor module; including:

[0024] The target delivery vehicle determines its real-time location information on the track based on the position signal collected by the position sensor module.

[0025] Based on the real-time location information, the target roller and the target delivery vehicle's relative position information, the real-time position of the target roller on the track is determined.

[0026] In some embodiments, the express waybill recognition method further includes:

[0027] When the express waybill recognition system is powered on, the recognition device sends its location information to the target express vehicle.

[0028] The target delivery vehicle configures preset location conditions corresponding to the recognition area of ​​the recognition device based on the location information of the recognition device.

[0029] In some embodiments, the express waybill recognition method further includes the following steps: before the recognition device acquires a target image of the target roller when the target roller carrying the express arrives at the recognition area of ​​the recognition device;

[0030] Multiple express delivery sensors inside the target roller collect various status detection signals; among them, different types of status detection signals are used to detect different types of express delivery inside the roller.

[0031] When it is determined that there is a package inside the target roller based on at least one state detection signal, the roller is determined to be the target roller carrying the package.

[0032] In some embodiments, the express waybill recognition method includes first identification information representing the target roller in the interactive photo-taking instruction;

[0033] Based on the recognition result of the target image, the recognition device determines the target identification information of the target roller and the target waybill information of the express delivery, including:

[0034] The identification device identifies the second identification information and the shipping label information representing the target roller in the target image;

[0035] When the first identification information and the second identification information are consistent, the second identification information is determined to be the target identification information and the identified waybill information is determined to be the target waybill information.

[0036] When the first identification information and the second identification information are inconsistent, the first identification information is determined to be the target identification information, and the pre-stored waybill information corresponding to the first identification information is determined to be the target waybill information.

[0037] In some embodiments, a courier waybill identification system is also provided, the courier waybill identification system comprising: at least one courier vehicle and at least one identification device, wherein each courier vehicle drags at least one roller running on a track;

[0038] The identification device is used to acquire a target image of the target roller when the target roller carrying the express delivery arrives at the identification area of ​​the identification device;

[0039] The identification device is further configured to determine the target identification information of the target roller and the target waybill information of the express delivery based on the identification result of the target image; wherein, the target identification information is used to characterize the target roller;

[0040] The identification device is also used to determine the target unloading location associated with the target waybill information based on the target waybill information, and send the target identification information and the target unloading location to the target delivery vehicle that is dragging the target roller;

[0041] The target delivery vehicle is used to determine the target roller based on the target identification information, and control the target roller to unload the package at the target unloading position.

[0042] In some embodiments, the express waybill recognition system further includes an arrival detection component, a position sensor module installed on the express vehicle, and various express sensors inside the roller;

[0043] The positioning detection component is used to generate a roller positioning signal when the target roller is detected, and send the roller positioning signal to the identification device;

[0044] The position sensor module is used to collect position signals to determine the real-time position of the target roller of the delivery vehicle on the track;

[0045] The various express delivery sensors are used to collect various state detection signals; among them, different types of state detection signals are used to detect different types of express delivery packages inside the roller. In this embodiment, an express delivery waybill recognition method and system are provided. The express delivery waybill recognition method is applied to an express delivery waybill recognition system, which includes: at least one express delivery vehicle and at least one recognition device, wherein each express delivery vehicle drags at least one roller on a track; the method includes: when a target roller carrying an express delivery arrives at the recognition area of ​​the recognition device, the recognition device acquires a target image of the target roller; based on the recognition result of the target image, the recognition device determines the target identification information of the target roller and the target waybill information of the express delivery; wherein the target identification information is used to characterize the target roller; based on the target waybill information, the recognition device determines the target unloading location associated with the target waybill information and sets the target unloading location accordingly. The identification information and target unloading location are sent to the target delivery vehicle that is dragging the target roller. Based on the target identification information, the target delivery vehicle determines the target roller and controls the target roller to unload the package at the target unloading location. Through information interaction, the identification device can extract the package label of the target package by taking a picture when the target roller carrying the package in the target delivery vehicle arrives at the identification area. At the same time, it can also identify the unique identification information of the roller where the target package is stored. The label information and the unique identification information of the roller are bound and analyzed to prevent the unique identification information of the roller from being identified multiple times, which would lead to an increase in abnormal orders. The device can accurately extract the unloading location and notify the delivery vehicle of the unloading location information, so that the execution mechanism can complete intelligent sorting at the corresponding unloading location. Attached Figure Description

[0046] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0047] Figure 1 A flowchart of the express waybill recognition method described in an embodiment of this application is shown;

[0048] Figure 2 A flowchart of another express waybill recognition method according to an embodiment of this application is shown;

[0049] Figure 3 A flowchart illustrating the method for determining the identification area of ​​the identification device by a target roller carrying express packages, as described in an embodiment of this application, is shown.

[0050] Figure 4 A flowchart of the method for generating interactive photo-taking instructions according to an embodiment of this application is shown;

[0051] Figure 5 A flowchart illustrating the method for determining the real-time position of the target roller on the track according to an embodiment of this application is shown.

[0052] Figure 6 A flowchart illustrating the method for determining the target identification information of the target roller and the target waybill information of the express delivery according to an embodiment of this application is shown.

[0053] Figure 7 A schematic diagram of the express waybill recognition system described in an embodiment of this application is shown. Detailed Implementation

[0054] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. It should be understood that the accompanying drawings in this application are for illustrative and descriptive purposes only and are not intended to limit the scope of protection of this application. Furthermore, it should be understood that the schematic drawings are not drawn to scale. The flowcharts used in this application illustrate operations implemented according to some embodiments of this application. It should be understood that the operations in the flowcharts may not be implemented in sequence, and steps without logical contextual relationships may be reversed or implemented simultaneously. In addition, those skilled in the art, guided by the content of this application, may add one or more other operations to the flowcharts, or remove one or more operations from the flowcharts.

[0055] Furthermore, the described embodiments are merely some, not all, of the embodiments of this application. The components of the embodiments of this application described and illustrated herein can typically be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0056] It should be noted that the term "comprising" will be used in the embodiments of this application to indicate the presence of the features declared thereafter, but does not exclude the addition of other features.

[0057] With the development of artificial intelligence technology, intelligent express sorting technology is becoming increasingly mature, and the need for human intervention is decreasing. Intelligent express sorting technology can be broadly divided into identification, loading, and unloading. Unlike traditional express sorting technologies, intelligent express sorting lines use a type of sorting cart for intelligent sorting of packages. This cart moves along a track, dragging multiple rotating sorting rollers to sort the packages.

[0058] Effective identification of parcels is the first and crucial step in correct sorting. Current parcel label recognition technology uses rapid scanning devices; specifically, 2-3 scanning devices are typically set up in the identification area. These devices scan and photograph at a high frequency regardless of whether there are parcels present, often resulting in errors, regardless of power consumption. Specifically, in a high-speed intelligent sorting line, each parcel is on a corresponding sorting roller on each vehicle. Each roller on each vehicle has unique identification information, and each sorting roller contains exactly one parcel. The scanning device identifies the unique identification information of the roller within the vehicle using barcodes. However, traditional OCR scanning technology is ineffective for parcel label analysis because, during rapid vehicle movement, traditional OCR technology easily misidentifies the roller's identification information as the parcel label. Furthermore, because traditional OCR cameras continuously photograph parcels, the unique identification information of the roller is easily recognized multiple times, leading to an increase in abnormal orders. Consequently, the vehicle cannot accurately determine the unloading location, resulting in incorrect parcel placement.

[0059] Based on this, this application provides a method for recognizing express delivery waybills. The method is applied to an express delivery waybill recognition system, which includes at least one delivery vehicle and at least one recognition device. Each delivery vehicle drags at least one roller on a track. The method includes: when a target roller carrying an express delivery arrives at the recognition area of ​​the recognition device, the recognition device acquires a target image of the target roller; based on the recognition result of the target image, the recognition device determines target identification information of the target roller and target waybill information of the express delivery; wherein the target identification information is used to characterize the target roller; based on the target waybill information, the recognition device determines the target unloading location associated with the target waybill information and assigns the target unloading location to the target waybill information. The identification information and target unloading location are sent to the target delivery vehicle that is dragging the target roller. Based on the target identification information, the target delivery vehicle determines the target roller and controls the target roller to unload the package at the target unloading location. Through information interaction, the identification device can extract the waybill of the target package by taking a picture once when the target roller carrying the package in the target delivery vehicle arrives at the identification area. At the same time, it can also identify the unique identification information of the roller where the target package is stored. The waybill information and the unique identification information of the roller are bound and analyzed to prevent the unique identification information of the roller from being identified multiple times, which would lead to an increase in abnormal orders. The device can accurately extract the unloading location and notify the delivery vehicle of the unloading location information, so that the execution mechanism can complete intelligent sorting at the corresponding unloading location.

[0060] Please refer to Figure 1 , Figure 1 A flowchart of the express delivery waybill recognition method according to an embodiment of this application is shown. The express delivery waybill recognition method according to an embodiment of this application is applied to an express delivery waybill recognition system, which includes: at least one delivery vehicle and at least one recognition device, wherein each delivery vehicle drags at least one roller on a track; please refer to... Figure 1 The method includes the following steps S101-S104:

[0061] S101. When the target roller carrying the express delivery arrives at the recognition area of ​​the recognition device, the recognition device acquires the target image of the target roller.

[0062] S102. Based on the recognition result of the target image, the recognition device determines the target identification information of the target roller and the target waybill information of the express delivery; wherein, the target identification information is used to characterize the target roller;

[0063] S103. The identification device determines the target unloading location associated with the target waybill information based on the target waybill information, and sends the target identification information and the target unloading location to the target delivery vehicle that is dragging the target roller.

[0064] S104. The target delivery vehicle determines the target roller based on the target identification information and controls the target roller to unload the package at the target unloading position.

[0065] In this embodiment, the delivery vehicle drags multiple rollers (e.g., 15 rollers) along a track. The delivery vehicle is a power mechanism responsible for moving on the track and dragging the multiple rollers; the rollers are used to carry, transport, and sort delivery packages.

[0066] The terminal device of the delivery vehicle can be a microcontroller. The terminal device is responsible for controlling the operation of the delivery vehicle, including speed, direction, and unloading of packages; the terminal device also needs to communicate with other sensors, identification devices, and other devices to achieve precise control and intelligent sorting of the entire intelligent sorting system.

[0067] It should be noted that microcontrollers have advantages such as small size, low power consumption, and high reliability, making them very suitable for systems like express delivery waybill recognition systems that require efficient and stable operation.

[0068] The embodiments described in this application refer to the information processing, information interaction, and control performed by the delivery vehicle. Those skilled in the art can easily determine that the information processing, information interaction, and control are performed by the terminal equipment of the delivery vehicle.

[0069] The express delivery label recognition system is part of the intelligent sorting system. It is used to identify the unique identification information of the roller and the label information and unpacking location of the express delivery in the roller through a single photo.

[0070] Specifically, the express waybill recognition system can be an OCR recognition system, which uses OCR (Optical Character Recognition) technology to recognize waybill information and identification information.

[0071] The working principle of an OCR recognition system mainly includes the following steps: Image acquisition: Using a scanning device or high-resolution camera to acquire the target image of the target roller. This step must ensure that the target image is clear and unblurred for subsequent character recognition; Preprocessing: Preprocessing the acquired target image, including denoising, binarization, and tilt correction, to improve the accuracy of character recognition; Character segmentation: Segmenting the text regions in the preprocessed image into individual characters or phrases for subsequent recognition; Feature extraction: Extracting feature information of each character or phrase, such as shape, structure, and strokes, for subsequent matching and recognition; Character recognition: Comparing the extracted feature information with a pre-established character library to find the most matching character or phrase; Post-processing and output: Post-processing the recognition results, such as correcting errors and optimizing format, and finally outputting the recognized label information and identification information.

[0072] When the OCR recognition system identifies the codes on express delivery slips and rollers, in addition to recognizing text, it also needs to recognize barcodes. This requires determining the position of the barcode, extracting the black and white stripe information, measuring the width and relative position of each stripe (black bar and white space), converting it into a stripe signal, and then feeding the extracted stripe signal into a decoding algorithm for decoding according to the encoding rules of the specific barcode type. The decoding algorithm analyzes the width pattern of the stripe signal and converts it into the corresponding number or letter sequence.

[0073] The track is a circular track, which allows the delivery vehicle to operate in a closed loop system without frequent starts and stops, thereby improving operational efficiency and rapid sorting efficiency.

[0074] A smart express sorting system typically includes multiple circular tracks, each with at least one identification device, and multiple express delivery vehicles in operation.

[0075] In step S101, when the target roller carrying the express delivery arrives at the recognition area of ​​the recognition device, the recognition device acquires the target image of the target roller.

[0076] In other words, in this embodiment of the application, it is necessary to first identify the target roller in the target delivery vehicle that is loaded with express packages.

[0077] Therefore, in the embodiments of this application, please refer to Figure 2 , Figure 2 A flowchart of another express waybill recognition method according to an embodiment of this application is shown; specifically, before the recognition device acquires the target image of the target roller when the target roller carrying the express arrives at the recognition area of ​​the recognition device; the method further includes the following steps S201-S202:

[0078] S201. Multiple express delivery sensors inside the target roller collect multiple status detection signals; among them, different types of status detection signals are used to detect different types of express delivery inside the roller;

[0079] S202. When it is determined that there is a package inside the target roller based on at least one state detection signal, the roller is determined to be the target roller carrying the package.

[0080] Specifically, the delivery vehicle identifies a target roller containing packages. Multiple package sensors inside the target roller collect various status detection signals and send these signals to the delivery vehicle. When the delivery vehicle determines that the target roller contains packages based on at least one status detection signal, it identifies that roller as a target roller carrying packages.

[0081] The different types of express delivery are distinguished based on their weight.

[0082] All of the aforementioned express delivery sensors are connected to the target terminal equipment of the target express delivery vehicle to send the status detection signals they detect to the target terminal equipment of the target express delivery vehicle.

[0083] The various express sensors include pressure sensors and infrared sensors; the various status detection signals include pressure signals collected by the pressure sensors and infrared signals collected by the infrared sensors.

[0084] Specifically, the pressure sensor is mainly used to detect express parcels with some weight, while the infrared sensor is mainly used to detect lighter and smaller express parcels, such as thin and light document bags.

[0085] In this embodiment, multiple types of sensors are used to determine whether there are express packages on the roller, preventing misjudgments due to the performance limitations of a single sensor, and making a more accurate determination of whether there are express packages on the roller.

[0086] In this embodiment, the target roller carrying the express delivery arrives at the recognition area of ​​the recognition device; specifically, the recognition device determines that the target roller has arrived at the recognition area of ​​the recognition device based on information interaction with the target express delivery vehicle and / or signal interaction with the arrival detection component.

[0087] Please refer to Figure 3 , Figure 3 The flowchart illustrates a method for determining the arrival of a target roller carrying a package at the identification area of ​​the identification device, as described in an embodiment of this application. Specifically, the arrival of the target roller carrying the package at the identification area of ​​the identification device is determined through the following steps S301-S303:

[0088] S301, the identification device determines whether the interactive photo-taking command has been received normally; the interactive photo-taking command is generated and sent when the target delivery vehicle determines that the target roller has arrived at the identification area;

[0089] S302. If so, then determine that the target roller has reached the recognition area of ​​the recognition device;

[0090] S303. If not, then based on the arrival signal of the roller sent by the arrival detection component in the express waybill recognition system, it is determined that the target roller has arrived at the recognition area of ​​the recognition device.

[0091] The inability of the identification device to receive the interactive photo-taking command is caused by network fluctuations between the target delivery vehicle and the target photo-taking system, or in other words, by a network anomaly between the target delivery vehicle and the target photo-taking system.

[0092] When the network is abnormal, the identification device and the delivery vehicle cannot exchange the necessary information in a timely manner through the network. For example, the device may not be able to receive interactive photo-taking instructions, or the interactive photo-taking instructions may be received with a delay, causing the identification device to be unable to receive the interactive photo-taking instructions normally.

[0093] Because the high-speed train operates at a high altitude on the track, if the photo is taken solely based on the interactive photo-taking command sent by the target terminal device, it is easy to fail to capture the target image of the target roller, or to trigger the photo-taking when the target roller has already passed through the recognition area. In other words, it is impossible to accurately obtain the image of the target roller in one shot.

[0094] Based on this, in this embodiment of the application, a positioning detection component is set up so that when a network anomaly occurs between the sorting cart (i.e., the delivery vehicle) and the OCR system (i.e., the recognition device) and causes the connection between the two to be broken, the external positioning detection component can also achieve the compensation effect of triggering a photo.

[0095] The arrival detection component is connected to the express delivery waybill recognition system to send a roller arrival signal to the express delivery waybill recognition system.

[0096] The positioning detection component can be a laser sensor, a photoelectric sensor, or the like.

[0097] The laser sensor works based on the characteristics of a laser beam. First, a highly focused laser beam is emitted through a laser diode or laser. When this laser beam shines on the surface of the roller, part of the laser is reflected back to the sensor. The sensor measures the time required from the emission of the laser to the reception of the reflected light, and then calculates the distance between the roller and the sensor based on the speed of light. Once the distance between the roller and the sensor matches a preset laser sensor threshold, it means that the roller has reached the predetermined position, i.e., "in place".

[0098] Photoelectric sensors detect the position of an object by detecting changes in the light signal between a transmitter and a receiver. The transmitter emits a light beam, and when the roller reaches the predetermined position, it blocks the light beam, causing a change in the light intensity received by the receiver. This change is captured by the detection circuit and converted into an electrical signal, thereby triggering the position signal.

[0099] The positioning detection component described in this application embodiment is installed on a track or on the identification device, based on the installation position of the identification device, and located upstream of the identification area of ​​the identification device, so as to cooperate with the interactive photo-taking command sent by the target terminal device as a compensation signal when the network is abnormal.

[0100] When the roller moves to the positioning detection component, the laser sensor or photoelectric sensor will detect the arrival of the roller and send a roller positioning signal to the identification device.

[0101] Please refer to Figure 4 , Figure 4 A flowchart of the method for generating interactive photo-taking instructions according to an embodiment of this application is shown; specifically, the interactive photo-taking instructions are generated through the following steps S401-S403:

[0102] S401. The target delivery vehicle determines the real-time position of the target roller on the track based on the position signal collected by the sensor module.

[0103] S402. The target delivery vehicle corrects its real-time position based on its own real-time speed information and the preset photo-taking delay of the identification device.

[0104] S403. When the corrected real-time target position meets the preset position conditions corresponding to the recognition area of ​​the recognition device, the target roller is determined to have reached the recognition area, and an interactive photo-taking command is generated.

[0105] The location sensor module of the delivery vehicle is connected to the terminal equipment of the delivery vehicle to send the collected location signals to the terminal equipment.

[0106] Specifically, the preset position condition is a preset position threshold; if the corrected real-time target position meets the preset position threshold, then the corrected real-time target position is determined to satisfy the preset position condition corresponding to the recognition area.

[0107] The preset position threshold can be a single value or a range; for example, if the preset position threshold is 10m, the corrected real-time target position is greater than the preset position threshold, meaning the corrected real-time target position is within the recognition area; or, if the preset position threshold is 10m-11m, the corrected real-time target position is greater than 10m and less than 11m, meaning the corrected real-time target position is within the recognition area.

[0108] The preset position threshold is set based on the requirements of the algorithm.

[0109] It should be noted that the preset location conditions characterize the recognition area. Therefore, the preset location threshold is determined based on the location information of the recognition device. Similarly, the recognition area is also determined based on the location information of the recognition device.

[0110] Based on this, the express waybill recognition method further includes:

[0111] When the express waybill recognition system is powered on, the recognition device sends its location information to the target express vehicle.

[0112] The target delivery vehicle configures preset location conditions corresponding to the recognition area of ​​the recognition device based on the location information of the recognition device.

[0113] The physical location of the identification device on each track is fixed. When the system is powered on, the identification device sends its own location parameter information to the target delivery vehicle through network service. The target delivery vehicle stores the information in its own system, and the target terminal device configures the identification area based on the location information of the identification device.

[0114] Although the physical location of the identification equipment on each track is fixed, it is still subject to periodic maintenance, which causes changes in the physical location and thus the identification area. If the preset position conditions corresponding to the identification area are hard-coded into the program of the delivery vehicle when the intelligent express sorting system is built, the terminal equipment of the delivery vehicle will make incorrect judgments on whether the rolling has reached the identification area based on incorrect information when the physical location changes later, affecting the accuracy of the express waybill identification system. For example, taking pictures and identifying before the roller has reached or exceeded the identification area.

[0115] In this embodiment, instead of hardcoding the preset photo-taking conditions in the terminal device of the delivery vehicle based on the physical location of the identification device when setting up the intelligent express sorting system, the system sends its own location information to the terminal device of the delivery vehicle every time it is powered on. When the location information changes and causes the identification area to change, the preset location conditions are adjusted accordingly according to the rules written in the terminal device of the delivery vehicle. For example, if the physical location of the identification device moves forward by 0.1 meters, the preset location threshold changes from 10m to 9.9m, thereby ensuring that the change in the physical location of the identification device does not affect the accuracy of the shooting.

[0116] In step S401, the target terminal device determines the real-time position of the target roller on the target track based on the position signal collected by the sensor module of the delivery vehicle; in this embodiment, please refer to Figure 5 , Figure 5 This application illustrates a flowchart of a method for determining the real-time position of a target roller on a track, as described in an embodiment of this application; specifically, as shown... Figure 5 As shown, the target delivery vehicle determines the real-time position of the target roller on the track based on the position signal collected by the position sensor module; including the following steps S501-S502:

[0117] S501. The target delivery vehicle determines its real-time position information on the track based on the position signal collected by the position sensor module.

[0118] S502. Based on the real-time location information, the target roller and the target delivery vehicle's target relative position information, determine the target roller's real-time position on the track.

[0119] A single delivery vehicle has only one set of position sensors to determine the real-time position of the entire target delivery vehicle on the target track. The position sensors can be set to fixed positions such as the front, middle, and rear of the delivery vehicle. The relative position of each roller to the target delivery vehicle is fixed. For example, the position of the target delivery vehicle is based on the front of the vehicle, and the distance between each roller and the front of the vehicle is the relative position information of the roller and the delivery vehicle.

[0120] The target terminal device of the target delivery vehicle stores the relative position information of each roller and the target delivery vehicle, thereby determining the target relative position information of the target roller and the target delivery vehicle.

[0121] In this way, the position of each roller can be determined based on a single set of position sensors, instead of configuring a position sensor for each roller, thus reducing cost and power consumption.

[0122] The target delivery vehicle determines its real-time location on the track based on position signals collected by a position sensor module. For example, the track is equipped with position tags, such as one tag every 1 cm. The position sensor continuously reads these tags, which can be RFID tags, QR codes, barcodes, etc., each carrying unique location information that can be identified by the position sensor. Correspondingly, the sensor can be an RFID reader or a camera, etc., and continuously scans and reads the position tags on the track as the delivery vehicle moves. Whenever a sensor reads a position tag, it acquires the location information carried in the tag and, combined with the delivery vehicle's direction of movement, calculates the delivery vehicle's real-time location on the track.

[0123] Based on the real-time location information, the real-time speed of the target delivery vehicle can also be calculated.

[0124] In other words, when the target terminal device corrects the real-time position of the target based on the real-time speed information of the target delivery vehicle and the preset photo-taking delay of the identification device, the real-time speed information is determined based on the real-time position information.

[0125] The preset photo-taking delay is determined based on the time delay between the recognition device receiving the interactive photo-taking command and taking the photo. The recognition device needs a certain amount of time, such as 200ms, to receive, parse, identify, and process the interactive photo-taking command and generate instructions to control the photo-taking mechanism. However, in this application, the delivery vehicle moves very quickly, and the roller will have traveled a certain distance in 200ms. Therefore, it is necessary to consider the real-time speed information of the delivery vehicle to predict whether the target roller will reach the recognition area exactly after the preset photo-taking delay ends.

[0126] Therefore, in this embodiment, the terminal device of the delivery vehicle continuously collects and corrects the real-time position information of the delivery vehicle on the current track through a position sensor. The terminal device of the delivery vehicle makes a fusion algorithm judgment based on the real-time vehicle speed, the target relative position information of the target sorting roller relative to the delivery vehicle, and the preset position conditions configured based on the recognition area of ​​the target photography device. If the real-time position information calculated by the current algorithm meets the preset position conditions, and the network connection is normal, the terminal device generates an interactive photo-taking command, and notifies the recognition device through the network that the express package on the target roller of the target delivery vehicle is currently in the preset area below the target photography device, triggering the recognition device to take a picture and analyze it.

[0127] When the network connection is abnormal, the identification device cannot receive the interactive photo-taking command normally. Then, it performs compensation control based on the roller positioning signal sent by the positioning detection component. The external positioning detection component triggers external compensation when the network of the system fluctuates greatly.

[0128] The identification device determines whether it has successfully received the interactive photo-taking command, including:

[0129] The identification device determines whether an interactive photo-taking command is received after the roller is in position signal;

[0130] If not, the identification device confirms that it has successfully received the interactive photo-taking command.

[0131] If so, determine whether the time difference between receiving the roller arrival signal and the interactive photo-taking command meets a preset time threshold; the preset time threshold is determined based on at least one of the following factors: the preset photo-taking delay of the identification device, the real-time speed information of the target delivery vehicle, the length of the roller, and the installation position of the arrival detection component;

[0132] If so, the recognition device confirms that it has successfully received the interactive photo-taking command.

[0133] In other words, under normal circumstances, the recognition device should receive the interactive photo-taking command before the roller arrives at its position (because the processing delay of the recognition device is also taken into account when the interactive photo-taking command is triggered). If the interactive photo-taking command is received before the roller arrives at its position, the photo is taken directly. If network fluctuations cause a delay in receiving the interactive photo-taking command, the device will determine whether it can process the interactive photo-taking command and control the recognition device to take a photo when the target roller arrives at the recognition area, based on the time difference between the roller arrives at its position and the interactive photo-taking command. If the delay is too long, it means that it cannot, and the recognition device will be triggered to take a photo directly based on the roller arrives at its position.

[0134] In other words, when the system experiences significant network fluctuations, the positioning detection component not only triggers the recognition device to take a picture but also determines whether the interactive photo-taking command has been received normally, thus having multiple functions.

[0135] In step S102, the identification device determines the target identification information of the target roller and the target waybill information of the express delivery loaded on the target roller based on the identification result of the target image; the target identification information represents the target roller of the target express delivery vehicle.

[0136] In this embodiment of the application, the reason why the interactive photo-taking command is used to trigger the recognition device to take a picture, and the location detection component is used as compensation for network fluctuations, is that the interactive photo-taking command includes the first identification information of the target roller representing the target delivery vehicle.

[0137] The identification device determines the target identification information of the target roller and the target waybill information of the express delivery based on the identification result of the target image; specifically, the identification device determines the target identification information of the target roller and the target waybill information of the express delivery based on the identification result of the target image and the first identification information in the interactive photo-taking command.

[0138] Specifically, the identification result includes second identification information representing the target roller and waybill information. The second identification information is verified based on the first identification information in the interactive photo-taking command, so as to determine the target identification information of the target roller and the target waybill information of the express delivery according to the verification result.

[0139] For details, please refer to Figure 6 , Figure 6 The flowchart illustrates a method for determining the target identification information of the target roller and the target waybill information of the express delivery according to an embodiment of this application. The identification device determines the target identification information of the target roller and the target waybill information of the express delivery based on the identification result of the target image, including the following steps S601-S603:

[0140] S601, The identification device identifies the second identification information and the shipping label information representing the target roller in the target image;

[0141] S602. When the first identification information and the second identification information are consistent, the second identification information is determined to be the target identification information and the identified waybill information is determined to be the target waybill information.

[0142] S603. When the first identification information and the second identification information are inconsistent, the first identification information is determined to be the target identification information and the pre-stored waybill information corresponding to the first identification information is determined to be the target waybill information.

[0143] The identification information of the target roller includes the information of the delivery vehicle and the roller information; the first identification information of the target roller can be an ID code, for example, NL0001-0001-001, which represents the roller number 0001 of the delivery vehicle 0001 on the target track.

[0144] Correspondingly, the target identification information of the target roller can be called the target roller ID or the target roller ID code.

[0145] The waybill information is usually a three-segment code on the express waybill, such as: 7XX-C9XX-00XXX.

[0146] The identification device identifies the second identification information and waybill information of the target roller representing the target express vehicle in the target image. However, the second identification information identified by the identification device may be incorrect. For example, character recognition error, such as identifying NL0001-0001-001 as NL0001-0001-002, or due to the shooting time error, there may be two roller ID codes in the target image, resulting in the identification of two second identification information.

[0147] In this embodiment, the second identification information can be verified based on the first identification information sent by the terminal device of the delivery vehicle, so as to more accurately determine the target identification information of the target roller and the target waybill information of the express delivery loaded on the target roller.

[0148] In other words, based on the interactive photo-taking command in this application embodiment, not only can the recognition device be triggered to take a photo, but the recognition result of the recognition device can also be verified. Even if the target roller ID encoding is incorrect in the photo parsing, it can be corrected by the roller information reported by the trolley, and then the correct target roller ID and target waybill information can be bound.

[0149] In step S103, the identification device determines the target unloading location associated with the target waybill information based on the target waybill information, and sends the target identification information and the target unloading location to the target delivery vehicle that is dragging the target roller.

[0150] The identification device determines the target package location associated with the target waybill information based on the target waybill information. Specifically, the identification device determines the target package location associated with the target waybill information based on the target waybill information and pre-stored association information between waybill information and package location.

[0151] The pre-stored waybill information and the relationship between the drop-off location information is a data set that records the correspondence between the waybill information of each express package and its specific drop-off location on the track.

[0152] In this embodiment of the application, the target waybill information is compared with the pre-stored waybill information, and the corresponding drop-off position of the matching waybill information is found, which is the target drop-off position of the target waybill information.

[0153] The target identification information and the target package location are bound together. Based on the field in the target identification information that identifies the target delivery vehicle, the target delivery vehicle is determined from the delivery vehicles on the track. The target identification information and the target package location are then sent to the target terminal device of the target delivery vehicle.

[0154] As an example only, if the target identification information is NL0001-0001-001, then it will be sent to delivery vehicle number 0001; if it is NL0002-0001-001, then it will be sent to delivery vehicle number 0002.

[0155] In step S104, the target delivery vehicle determines the target roller based on the target identification information and controls the target roller to unload the package at the target unloading position.

[0156] The target terminal device of the target delivery vehicle receives the target identification information and the target unloading position, and determines the target roller from the multiple driven rollers based on the target identification information, so as to control the target roller to unload the target package at the target unloading position.

[0157] The target terminal device receives the target identification information and the target packet location, parses out the specific target identification information and the target packet location, and determines the target roller based on the code or field of the identification roller in the target identification information. For example, if NL0002-0001-001 is used, then roller number 0001 is determined to be the target roller.

[0158] The system controls the target roller to unload the target package at the target unloading position. Specifically, the position sensor of the delivery vehicle continuously monitors the real-time position of the delivery vehicle, and the terminal device calculates the real-time position of the target roller based on the real-time position, the target roller, and the target relative position information of the cross-regional vehicle, ensuring that the terminal device can accurately grasp the movement state of the roller; when the target roller reaches the unloading position, the terminal device sends a command to the roller drive mechanism to unload the package.

[0159] The express delivery waybill recognition method described in this application, during the operation of the express delivery vehicle, allows the terminal equipment of the express delivery vehicle and the recognition device to exchange the necessary information via the network. When the target roller carrying the express delivery arrives at the recognition area, it can capture a target image of a single target roller, accurately capturing the target roller and the waybill of the express delivery. Based on the identification information of the target roller in the exchanged information, the parsed roller information is corrected, making the parsed roller information and waybill information more accurate. At the same time, when a network anomaly occurs between the terminal equipment of the express delivery vehicle and the photo recognition system, causing the connection between the two to be broken, an external arrival detection mechanism can be used to trigger a photo-taking compensation effect.

[0160] Based on the same inventive concept, this application also provides an express delivery waybill recognition system corresponding to the express delivery waybill recognition method. Since the principle of solving the problem in the express delivery waybill recognition system in this application is similar to the express delivery waybill recognition method described above in this application, the implementation of the express delivery waybill recognition system can refer to the implementation of the express delivery waybill recognition method, and the repeated parts will not be described again.

[0161] Please refer to Figure 7 , Figure 7 A schematic diagram of the structure of the express delivery waybill recognition system according to an embodiment of this application is shown; specifically, the express delivery waybill recognition system includes at least one express delivery vehicle 701 and at least one recognition device 702, wherein each express delivery vehicle 701 drags at least one roller to run on a track;

[0162] The identification device 702 is used to acquire a target image of the target roller when the target roller carrying the express delivery arrives at the identification area of ​​the identification device 702;

[0163] The identification device 702 is further configured to determine the target identification information of the target roller and the target waybill information of the express delivery based on the identification result of the target image; wherein, the target identification information is used to characterize the target roller;

[0164] The identification device 702 is further configured to determine the target unloading location associated with the target waybill information based on the target waybill information, and send the target identification information and the target unloading location to the target delivery vehicle that is dragging the target roller;

[0165] The target delivery vehicle is used to determine the target roller based on the target identification information, and control the target roller to unload the package at the target unloading position.

[0166] The delivery vehicle 701 and the identification device 702 are connected in communication.

[0167] In some embodiments, the express waybill recognition system further includes a location detection component 703, a position sensor module 704 disposed on the express vehicle 701, and various express sensors 705 inside the roller;

[0168] The positioning detection component 703 is used to generate a roller positioning signal when the target roller is detected, and send the roller positioning signal to the identification device 702;

[0169] The position sensor module 704 is used to collect position signals to determine the real-time position of the target roller of the delivery vehicle 701 on the track.

[0170] The various express delivery sensors 705 are used to collect various status detection signals; among them, different types of status detection signals are used to detect different types of express delivery inside the drum.

[0171] Among them, the various express delivery sensors 705 and the position sensor module 704 are all connected to the target express delivery vehicle, and the arrival detection component 703 is connected to the identification device 702.

[0172] In some embodiments, in the express waybill recognition system, the recognition device is further configured to determine that the target roller carrying the express has arrived at the recognition area of ​​the recognition device.

[0173] Specifically, when the identification device determines that the target roller carrying the express delivery has arrived at the identification area of ​​the identification device, it is specifically used for:

[0174] Determine whether the interactive photo-taking command has been received normally; the interactive photo-taking command is generated and sent when the target delivery vehicle determines that the target roller has arrived at the identification area;

[0175] If so, then it is determined that the target roller has reached the recognition area of ​​the recognition device;

[0176] If not, the target roller is determined to have reached the recognition area of ​​the recognition device based on the roller arrival signal sent by the arrival detection component in the express waybill recognition system.

[0177] In some embodiments, in the express waybill recognition system, the recognition device, when determining whether an interactive photo-taking command has been received normally, is specifically used for:

[0178] Determine whether an interactive photo-taking command was received after the roller positioning signal;

[0179] If not, the identification device confirms that it has successfully received the interactive photo-taking command.

[0180] If so, determine whether the time difference between receiving the roller arrival signal and the interactive photo-taking command meets a preset time threshold; the preset time threshold is determined based on at least one of the following factors: the preset photo-taking delay of the identification device, the real-time speed information of the target delivery vehicle, the length of the roller, and the installation position of the arrival detection component;

[0181] If so, the recognition device confirms that it has successfully received the interactive photo-taking command.

[0182] In some embodiments, in the express delivery waybill recognition system, the target express delivery vehicle is further used for:

[0183] Based on the position signals collected by the sensor module, the real-time position of the target roller on the track is determined;

[0184] The target delivery vehicle corrects its real-time position based on its own real-time speed information and the preset photo-taking delay of the identification device.

[0185] When the corrected real-time target position meets the preset position conditions corresponding to the recognition area of ​​the recognition device, it is determined that the target roller has reached the recognition area, and an interactive photo-taking command is generated.

[0186] In some embodiments, in the express delivery waybill recognition system, when the target express vehicle determines the real-time position of the target roller on the track based on the position signal collected by the position sensor module, it is specifically used for:

[0187] Based on the position signals collected by the position sensor module, the real-time position information of the target delivery vehicle on the track is determined;

[0188] Based on the real-time location information, the target roller and the target delivery vehicle's relative position information, the real-time position of the target roller on the track is determined.

[0189] In some embodiments, in the express delivery waybill recognition system, the recognition device is further configured to send the location information of the recognition device to the target express delivery vehicle when the express delivery waybill recognition system is powered on;

[0190] The target delivery vehicle is also used to configure preset location conditions corresponding to the recognition area of ​​the recognition device based on the location information of the recognition device.

[0191] In some embodiments, in the express delivery waybill recognition system, the target express vehicle is further configured to, before the recognition device acquires the target image of the target roller when the target roller carrying the express arrives at the recognition area of ​​the recognition device, collect multiple status detection signals from multiple express sensors inside the target roller of the target express vehicle; wherein, different types of status detection signals are used to detect different types of express inside the roller;

[0192] When it is determined that there is a package inside the target roller based on at least one state detection signal, the roller is determined to be the target roller carrying the package.

[0193] In some embodiments, the express waybill recognition system includes first identification information representing the target roller in the interactive photo-taking command.

[0194] The identification device, when determining the target identification information of the target roller and the target waybill information of the express delivery based on the identification result of the target image, is specifically used to identify the second identification information and waybill information representing the target roller in the target image;

[0195] When the first identification information and the second identification information are consistent, the second identification information is determined to be the target identification information and the identified waybill information is determined to be the target waybill information.

[0196] When the first identification information and the second identification information are inconsistent, the first identification information is determined to be the target identification information, and the pre-stored waybill information corresponding to the first identification information is determined to be the target waybill information.

[0197] The express delivery waybill recognition system described in this application, during the operation of the express delivery vehicle, interacts with the terminal equipment of the express delivery vehicle and the photo recognition system via the network to exchange the necessary information. When the target roller carrying the express delivery arrives at the recognition area, it can capture a target image of a single target roller, accurately capturing the target roller and the waybill of the express delivery. Based on the identification information of the target roller in the interactive information, the system corrects and resolves the roller information, making the resolved roller information and waybill information more accurate. At the same time, when a network anomaly occurs between the terminal equipment of the express delivery vehicle and the photo recognition system, causing the connection between the two to be broken, an external arrival detection mechanism can trigger a photo-taking compensation effect.

[0198] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the systems and devices described above can be referred to the corresponding processes in the method embodiments, and will not be repeated here. In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods can be implemented in other ways. The device embodiments described above are merely illustrative. For example, the division of modules is only a logical functional division, and in actual implementation, there may be other division methods. Furthermore, multiple modules or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the displayed or discussed mutual coupling or direct coupling or communication connection can be through some communication interfaces; the indirect coupling or communication connection of devices or modules can be electrical, mechanical, or other forms.

[0199] The modules described as separate components may or may not be physically separate. The components shown as modules may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0200] In addition, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0201] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a processor-executable, non-volatile, computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, a platform server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, ROM, RAM, magnetic disks, or optical disks.

[0202] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A method for recognizing express delivery waybills, characterized in that, An application is made to a courier waybill recognition system, the courier waybill recognition system comprising: at least one courier vehicle and at least one recognition device, wherein each courier vehicle drags at least one roller on a track; the method comprises: When the target roller carrying the express delivery arrives at the recognition area of ​​the recognition device, the recognition device acquires the target image of the target roller; Based on the recognition result of the target image, the recognition device determines the target identification information of the target roller and the target waybill information of the express delivery; wherein, the target identification information is used to characterize the target roller; Based on the target waybill information, the identification device determines the target drop location associated with the target waybill information and sends the target identification information and the target drop location to the target delivery vehicle that is dragging the target roller. The target delivery vehicle determines the target roller based on the target identification information and controls the target roller to unload the package at the target unloading position.

2. The express delivery waybill recognition method according to claim 1, characterized in that, The arrival of the target roller carrying the express package at the recognition area of ​​the recognition device is determined by the following method: The identification device determines whether the interactive photo-taking command has been received normally; the interactive photo-taking command is generated and sent when the target delivery vehicle determines that the target roller has arrived at the identification area; If so, then it is determined that the target roller has reached the recognition area of ​​the recognition device; If not, the target roller is determined to have reached the recognition area of ​​the recognition device based on the roller arrival signal sent by the arrival detection component in the express waybill recognition system.

3. The express delivery waybill recognition method according to claim 2, characterized in that, The identification device determines whether it has successfully received the interactive photo-taking command, including: The identification device determines whether an interactive photo-taking command is received after the roller is in position signal; If not, the identification device confirms that it has successfully received the interactive photo-taking command. If so, determine whether the time difference between receiving the roller arrival signal and the interactive photo-taking command meets a preset time threshold; the preset time threshold is determined based on at least one of the following factors: the preset photo-taking delay of the identification device, the real-time speed information of the target delivery vehicle, the length of the roller, and the installation position of the arrival detection component; If so, the recognition device confirms that it has successfully received the interactive photo-taking command.

4. The express delivery waybill recognition method according to claim 2, characterized in that, The interactive photo-taking command is generated through the following steps: The target delivery vehicle determines the real-time position of the target roller on the track based on the position signals collected by the sensor module; The target delivery vehicle corrects its real-time position based on its own real-time speed information and the preset photo-taking delay of the identification device. When the corrected real-time target position meets the preset position conditions corresponding to the recognition area of ​​the recognition device, it is determined that the target roller has reached the recognition area, and an interactive photo-taking command is generated.

5. The express delivery waybill recognition method according to claim 4, characterized in that, The target delivery vehicle determines the real-time position of the target roller on the track based on the position signal collected by the position sensor module; including: The target delivery vehicle determines its real-time location information on the track based on the position signal collected by the position sensor module. Based on the real-time location information, the target roller and the target delivery vehicle's relative position information, the real-time position of the target roller on the track is determined.

6. The express delivery waybill recognition method according to claim 4, characterized in that, The method further includes: When the express waybill recognition system is powered on, the recognition device sends its location information to the target express vehicle. The target delivery vehicle configures preset location conditions corresponding to the recognition area of ​​the recognition device based on the location information of the recognition device.

7. The express delivery waybill recognition method according to claim 1, characterized in that, Before the identification device acquires a target image of the target roller when the target roller carrying the express delivery arrives at the identification area of ​​the identification device; the method further includes: Multiple express delivery sensors inside the target roller collect various status detection signals; among them, different types of status detection signals are used to detect different types of express delivery inside the roller. When it is determined that there is a package inside the target roller based on at least one state detection signal, the roller is determined to be the target roller carrying the package.

8. The express delivery waybill recognition method according to claim 2, characterized in that, The interactive photo-taking command includes first identification information representing the target roller; Based on the recognition result of the target image, the recognition device determines the target identification information of the target roller and the target waybill information of the express delivery, including: The identification device identifies the second identification information and the shipping label information representing the target roller in the target image; When the first identification information and the second identification information are consistent, the second identification information is determined to be the target identification information and the identified waybill information is determined to be the target waybill information. When the first identification information and the second identification information are inconsistent, the first identification information is determined to be the target identification information, and the pre-stored waybill information corresponding to the first identification information is determined to be the target waybill information.

9. A waybill recognition system for express delivery, characterized in that, It includes at least one delivery vehicle and at least one identification device, wherein each delivery vehicle drags at least one roller running on a track; The identification device is used to acquire a target image of the target roller when the target roller carrying the express delivery arrives at the identification area of ​​the identification device; The identification device is further configured to determine the target identification information of the target roller and the target waybill information of the express delivery based on the identification result of the target image; wherein, the target identification information is used to characterize the target roller; The identification device is also used to determine the target unloading location associated with the target waybill information based on the target waybill information, and send the target identification information and the target unloading location to the target delivery vehicle that is dragging the target roller; The target delivery vehicle is used to determine the target roller based on the target identification information, and control the target roller to unload the package at the target unloading position.

10. The express delivery waybill recognition system based on claim 9, characterized in that, It also includes a positioning detection component, a position sensor module installed on the delivery vehicle, and various delivery sensors inside the roller; The positioning detection component is used to generate a roller positioning signal when the target roller is detected, and send the roller positioning signal to the identification device; The position sensor module is used to collect position signals to determine the real-time position of the target roller of the delivery vehicle on the track; The various express delivery sensors are used to collect various status detection signals; among them, different types of status detection signals are used to detect different types of express delivery inside the drum.

Images