Vehicle-mounted display screen brightness adjusting method and device, equipment and storage medium

Abstract

The invention discloses a vehicle-mounted display screen brightness adjusting method and device, equipment and a storage medium, and belongs to the technical field of display screens, and the vehicle-mounted display screen brightness adjusting method comprises the steps: determining a target region in a to-be-displayed video frame based on the display type of the to-be-displayed video frame; standard display brightness corresponding to preset environment brightness in the vehicle is obtained; and controlling preset corresponding pixel points of the target area on a vehicle-mounted display screen of the vehicle to be lightened according to the standard display brightness so as to display the to-be-displayed video frame through the vehicle-mounted display screen. The invention provides a vehicle-mounted display screen brightness adjusting strategy so as to improve the stability of a vehicle-mounted display screen.

Description

Technical Field

[0001] The present application belongs to the technical field of display screens, and in particular, relates to a method, device, equipment and storage medium for adjusting the brightness of a vehicle-mounted display screen. Background Art

[0002] With the continuous development of technology, the resolution and display effect of vehicle-mounted displays have been continuously improved. Vehicle-mounted displays have also become standard equipment in most vehicles and are widely used in navigation, entertainment, and vehicle status monitoring.

[0003] At present, the brightness adjustment method of the vehicle display screen is mainly to adaptively adjust the display brightness of the display screen according to the light brightness in the car to ensure that the users in the car can clearly view the display content on the display screen. For example, when the brightness in the car is low, the display brightness of the vehicle display screen is low, and when the brightness in the car is high, the display brightness of the vehicle display screen is high. In the case of a long-term high-brightness display of the vehicle display screen, the display screen will generate a lot of heat. If the heat dissipation is not timely, the internal temperature of the display screen may increase, thereby affecting the normal operation of the display screen, such as color distortion, screen flickering and other problems, and may even cause the display circuit board to short-circuit or burn. In other words, long-term display of the vehicle display screen will cause the display screen temperature to be too high, and there is a problem of low stability of the vehicle display screen.

[0004] In summary, how to provide a vehicle display screen brightness adjustment strategy to improve the stability of the vehicle display screen has become a technical problem that needs to be urgently solved in the field of display screen technology. Summary of the invention

[0005] The main purpose of this application is to provide a method, device, equipment and storage medium for adjusting the brightness of a vehicle display screen, aiming to improve the stability of the vehicle display screen.

[0006] In order to achieve the above object, the present application provides a method for adjusting the brightness of a vehicle display screen, and the method for adjusting the brightness of a vehicle display screen comprises the following steps:

[0007] Determine a target area in the video frame to be displayed based on the display category of the video frame to be displayed;

[0008] Obtain the standard display brightness corresponding to the ambient brightness preset inside the vehicle;

[0009] The corresponding pixel points of the target area are controlled to light up according to the standard display brightness on the vehicle-mounted display screen, so as to display the video frame to be displayed through the vehicle-mounted display screen.

[0010] Optionally, the display category includes vehicle status information, and the step of determining the target area in the video frame to be displayed based on the display category of the video stream to be displayed includes:

[0011] When the display category of the video frame to be displayed is the vehicle status information, image segmentation processing is performed on the video frame to be displayed to obtain an information bearing area carrying valid information in the video frame to be displayed, and the information bearing area is determined to be the target area in the video frame to be displayed.

[0012] Optionally, the display category includes navigation information, and the step of determining the target area in the video frame to be displayed based on the display category of the video stream to be displayed includes:

[0013] In the case where the display category of the video frame to be displayed is the navigation information, edge detection processing is performed on the video frame to be displayed to obtain a path area where the navigation route to be traveled in the video frame to be displayed is located, and the path area is determined to be the target area in the video frame to be displayed.

[0014] Optionally, the display category includes entertainment audio and video information, and the step of determining the target area in the video frame to be displayed based on the display category of the video stream to be displayed includes:

[0015] When the display category of the video frame to be displayed is the entertainment audio-visual information, the video frame to be displayed is subjected to image segmentation processing to obtain a foreground area in the video frame to be displayed, and the foreground area is determined to be a target area in the video frame to be displayed.

[0016] Optionally, the step of controlling the corresponding pixel points of the target area on the vehicle-mounted display screen to light up according to the standard display brightness so as to display the video frame to be displayed through the vehicle-mounted display screen includes:

[0017] In the case where the display category of the video frame to be displayed is navigation information or entertainment audio and video information, the corresponding pixel points of the target area are controlled to light up according to the standard display brightness on the vehicle's onboard display screen, and the corresponding pixel points of the non-target area are controlled to light up according to the preset display brightness on the vehicle's onboard display screen, so as to display the video frame to be displayed through the vehicle's onboard display screen, wherein the non-target area is the area in the video frame to be displayed other than the target area, and the preset display brightness is lower than the standard display brightness.

[0018] Optionally, the step of controlling the corresponding pixel points of the target area to be preset on the vehicle display screen of the vehicle to light up according to the standard display brightness so as to display the video frame to be displayed through the vehicle display screen further includes:

[0019] In response to a display screen wake-up event, generating a display screen wake-up instruction;

[0020] Based on the display screen wake-up instruction, the corresponding pixel points of the target area are controlled to light up according to the standard display brightness on the vehicle-mounted display screen, so as to display the video frame to be displayed through the vehicle-mounted display screen.

[0021] Optionally, the display screen wake-up event is that the distance between the in-car user and the in-car display screen is less than a preset threshold, the in-car user's line of sight falls on the in-car display screen, or an interactive operation of voice wake-up is performed on the in-car display screen.

[0022] In addition, to achieve the above purpose, the present application also provides a vehicle-mounted display screen brightness adjustment device, the vehicle-mounted display screen brightness adjustment device comprising the following steps:

[0023] A determination module, configured to determine a target area in the video frame to be displayed based on a display category of the video frame to be displayed;

[0024] An acquisition module, used to acquire a standard display brightness corresponding to a preset ambient brightness inside the vehicle;

[0025] The control module is used to control the corresponding pixel points of the target area on the vehicle display screen to light up according to the standard display brightness, so as to display the video frame to be displayed through the vehicle display screen.

[0026] In addition, to achieve the above-mentioned purpose, the present application also provides a vehicle display screen brightness adjustment device, which includes: a memory, a processor, and a vehicle display screen brightness adjustment program stored in the memory and runnable on the processor. When the vehicle display screen brightness adjustment program of the vehicle display screen brightness adjustment device is executed by the processor, the steps of the vehicle display screen brightness adjustment method as described above are implemented.

[0027] In addition, to achieve the above-mentioned purpose, the present application also provides a computer-readable storage medium, on which a vehicle display screen brightness adjustment program is stored. When the vehicle display screen brightness adjustment program is executed by a processor, the steps of the vehicle display screen brightness adjustment method as described above are implemented.

[0028] The embodiment of the present application determines the target area in the video frame to be displayed on the vehicle display screen based on the display category of the video frame to be displayed; obtains the standard display brightness corresponding to the preset ambient brightness inside the vehicle, and controls the pixel points corresponding to the preset target area on the vehicle display screen of the vehicle to light up according to the standard display brightness, so as to display the video frame to be displayed through the vehicle display screen. In this way, compared with the traditional method of adjusting the display brightness of the display screen based only on the ambient brightness, the embodiment of the present application determines the target area to be lit from the video frame to be displayed based on the display category of the video frame to be displayed, and then controls the pixel points corresponding to the target area on the vehicle display screen to light up according to the standard display brightness corresponding to the current ambient brightness obtained, so as to display the current video frame through the vehicle display screen, thereby reducing the display area that is lit on the vehicle display screen, that is, reducing the energy output of the vehicle display screen, reducing the risk of overheating of the display screen, and thus improving the stability of the vehicle display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the device structure of the hardware operating environment of the vehicle display screen brightness adjustment device involved in the embodiment of the present application;

[0030] Figure 2 This is a schematic diagram of the steps of the first embodiment of the method for adjusting the brightness of a vehicle display screen of the present application;

[0031] Figure 3 A schematic diagram of a semantic segmentation image involved in an embodiment of a method for adjusting brightness of a vehicle display screen of the present application;

[0032] Figure 4 A schematic diagram of a display screen brightness adjustment process involved in an embodiment of a vehicle display screen brightness adjustment method of the present application;

[0033] Figure 5 This is a schematic diagram of the functional modules of an embodiment of a vehicle display screen brightness adjustment device of the present application.

[0034] The purpose, features and advantages of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0035] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0036] Reference Figure 1 , Figure 1 This is a schematic diagram of the device structure of the hardware operating environment of the vehicle display screen brightness adjustment device involved in the embodiment of the present application.

[0037] It should be noted that the embodiments of the present application relate to a vehicle-mounted display screen brightness adjustment device in the field of display screen technology. Specifically, the vehicle-mounted display screen brightness adjustment device can be a smart phone, a PC (personal computer), a tablet computer, a portable computer, etc.

[0038] like Figure 1 As shown, the vehicle-mounted display screen brightness adjustment device may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Among them, the communication bus 1002 is used to realize the connection and communication between these components. The user interface 1003 may include a display screen (Dis Spl ay), an input unit such as a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface. The network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a Wi-Fi interface). The memory 1005 may be a high-speed RAM memory or a stable memory (non-volatile memory), such as a disk memory. The memory 1005 may also be a storage device independent of the aforementioned processor 1001. For ease of description below, the execution body of the method steps in each embodiment is omitted.

[0039] Those skilled in the art will understand that Figure 1 The structure of the vehicle display screen brightness adjustment device shown in the figure does not constitute a limitation on the vehicle display screen brightness adjustment device, and may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.

[0040] like Figure 1 As shown, the memory 1005 as a computer storage medium may include an operating system, a network communication module, a user interface module, and a vehicle display screen brightness adjustment program.

[0041] exist Figure 1 In the terminal shown, the network interface 1004 is mainly used to connect to the backend server and perform data communication with the backend server; the user interface 1003 is mainly used to connect to the client and perform data communication with the client; and the processor 1001 can be used to call the vehicle display brightness adjustment program stored in the memory 1005 and perform the following operations:

[0042] Determine a target area in the video frame to be displayed based on the display category of the video frame to be displayed;

[0043] Obtain the standard display brightness corresponding to the ambient brightness preset inside the vehicle;

[0044] The corresponding pixel points of the target area are controlled to light up according to the standard display brightness on the vehicle-mounted display screen, so as to display the video frame to be displayed through the vehicle-mounted display screen.

[0045] Further, the display category includes vehicle status information, and the operation of determining the target area in the video frame to be displayed based on the display category of the video stream to be displayed includes:

[0046] When the display category of the video frame to be displayed is the vehicle status information, image segmentation processing is performed on the video frame to be displayed to obtain an information bearing area carrying valid information in the video frame to be displayed, and the information bearing area is determined to be the target area in the video frame to be displayed.

[0047] Further, the display category includes navigation information, and the operation of determining the target area in the video frame to be displayed based on the display category of the video stream to be displayed includes:

[0048] In the case where the display category of the video frame to be displayed is the navigation information, edge detection processing is performed on the video frame to be displayed to obtain a path area where the navigation route to be traveled in the video frame to be displayed is located, and the path area is determined to be the target area in the video frame to be displayed.

[0049] Further, the display category includes entertainment audio and video information, and the operation of determining the target area in the to-be-displayed video frame based on the display category of the to-be-displayed video stream includes:

[0050] When the display category of the video frame to be displayed is the entertainment audio-visual information, the video frame to be displayed is subjected to image segmentation processing to obtain a foreground area in the video frame to be displayed, and the foreground area is determined to be a target area in the video frame to be displayed.

[0051] Further, the operation of controlling the corresponding pixel points of the target area to light up according to the standard display brightness on the vehicle-mounted display screen so as to display the video frame to be displayed through the vehicle-mounted display screen includes:

[0052] In the case where the display category of the video frame to be displayed is navigation information or entertainment audio and video information, the corresponding pixel points of the target area are controlled to light up according to the standard display brightness on the vehicle's onboard display screen, and the corresponding pixel points of the non-target area are controlled to light up according to the preset display brightness on the vehicle's onboard display screen, so as to display the video frame to be displayed through the vehicle's onboard display screen, wherein the non-target area is the area in the video frame to be displayed other than the target area, and the preset display brightness is lower than the standard display brightness.

[0053] Furthermore, the operation of controlling the corresponding pixel points of the target area to light up according to the standard display brightness on the vehicle-mounted display screen so as to display the video frame to be displayed through the vehicle-mounted display screen also includes:

[0054] In response to a display screen wake-up event, generating a display screen wake-up instruction;

[0055] Based on the display screen wake-up instruction, the corresponding pixel points of the target area are controlled to light up according to the standard display brightness on the vehicle-mounted display screen, so as to display the video frame to be displayed through the vehicle-mounted display screen.

[0056] Furthermore, the display screen wake-up event is that the distance between the in-car user and the in-car display screen is less than a preset threshold, the in-car user's line of sight falls on the in-car display screen, or an interactive operation of voice wake-up is performed on the in-car display screen.

[0057] Based on the above structure, various embodiments of a method for adjusting the brightness of a vehicle display screen are proposed.

[0058] Please refer to Figure 2 , Figure 2 This is a flowchart of the first embodiment of the vehicle display brightness adjustment method of the present application. It should be noted that although the logical order is shown in the flowchart, in some cases, the vehicle display brightness adjustment method of the present application can of course perform the steps shown or described in a different order from that here. In this embodiment, the execution subject of the vehicle display brightness adjustment method can be a personal computer, a smart phone or other device, which is not limited in this embodiment. The vehicle display brightness adjustment method includes:

[0059] Step S10, determining a target area in the video frame to be displayed based on the display category of the video frame to be displayed;

[0060] It should be noted that the vehicle display screen obtains the video stream to be displayed from the vehicle main controller, and determines the single frame of image data to be displayed in the video stream to be displayed, that is, the video frame to be displayed. It should be understood that the content displayed on the vehicle display screen may include but is not limited to vehicle status information, navigation information, and entertainment audio and video information, and the display category of the video frame to be displayed on the vehicle display screen is determined based on the display content of the video frame to be displayed on the vehicle display screen. For example, when the content displayed on the vehicle display screen is vehicle navigation information, the display category of the current video frame to be displayed is determined to be navigation information.

[0061] In this embodiment, the area to be lit in the video frame to be displayed (hereinafter referred to as the target area for distinction) is determined based on the display category of the video frame to be displayed.

[0062] In one feasible implementation, the display category includes vehicle status information, and the step S10 includes:

[0063] Step S101, when the display category of the video frame to be displayed is the vehicle status information, image segmentation processing is performed on the video frame to be displayed to obtain an information bearing area carrying valid information in the video frame to be displayed, and the information bearing area is determined to be the target area in the video frame to be displayed.

[0064] In this embodiment, when the display category of the video frame to be displayed is vehicle status information, image segmentation processing is performed on the video frame to be displayed that carries the vehicle status information to obtain an information bearing area and a non-information bearing area in the video frame to be displayed, wherein the information bearing area in the video frame to be displayed is an area in the video frame to be displayed that carries valid information (vehicle status information), and the non-information bearing area in the video frame to be displayed is an area in the video frame to be displayed other than the above-mentioned information bearing area, and then, the information bearing area carrying valid information is determined as the target area in the video frame to be displayed.

[0065] Exemplarily, after obtaining the video frame to be displayed, the video frame to be displayed is preprocessed by noise reduction, grayscale and enhancement to obtain preprocessed image data, and then the preprocessed image data is input into a pre-trained target model for semantic segmentation of the image (hereinafter referred to as the first target model for distinction) to obtain a semantic segmentation image, such as Figure 3 The figure shows a schematic diagram of a semantic segmentation image, which includes rectangular boxes that mark the areas carrying valid information in the preprocessed image, including rectangular box 1 containing vehicle status information 1, rectangular box 2 containing vehicle status information 2, rectangular box 3 containing vehicle status information 3, rectangular box 4 containing virtual button 1, and rectangular box 5 containing virtual button 2. It should be understood that the area contained in each rectangular box is the area carrying valid information in the video frame to be displayed, that is, the above-mentioned information carrying area. It should be noted that the above-mentioned first target model can be a convolutional neural network model.

[0066] In another feasible implementation manner, the display category includes navigation information, and the step S10 includes:

[0067] Step S102, when the display category of the video frame to be displayed is the navigation information, edge detection processing is performed on the video frame to be displayed to obtain a path area where the navigation route to be traveled in the video frame to be displayed is located, and the path area is determined to be the target area in the video frame to be displayed.

[0068] In this embodiment, when the display category of the video frame to be displayed is navigation information, edge detection processing is performed on the video frame to be displayed to obtain a path area of ​​the navigation route to be traveled in the video frame to be displayed and a non-target area in the video frame to be displayed except the above path area, and then, the information bearing area carrying valid information is determined as the target area in the video frame to be displayed.

[0069] Exemplarily, after obtaining the video frame to be displayed, the video frame to be displayed is preprocessed by noise reduction, grayscale and enhancement to obtain preprocessed image data, and then the preprocessed image data is input into a pre-trained target model for edge detection of the image (hereinafter referred to as the second target model for distinction) to obtain an edge detection image, and the semantic segmentation image includes annotating the navigation path contour in the preprocessed image, and determining that the annotated area is the path area of ​​the navigation route to be driven in the video frame to be displayed. It should be noted that the above-mentioned first target model can be a Canny algorithm model.

[0070] In another feasible implementation, the display category includes entertainment audio and video information, and the step S10 includes:

[0071] Step S103, when the display category of the video frame to be displayed is the entertainment audio-visual information, image segmentation processing is performed on the video frame to be displayed to obtain a foreground area in the video frame to be displayed, and the foreground area is determined as the target area in the video frame to be displayed.

[0072] In this embodiment, when the display category of the video frame to be displayed is entertainment audio-visual information, image segmentation processing is performed on the video frame to be displayed to obtain a foreground area in the video frame to be displayed and a non-target area in the video frame to be displayed except the foreground area. Then, the foreground area determined from the video frame to be displayed is determined as the target area in the video frame to be displayed.

[0073] Exemplarily, after acquiring the video frame to be displayed, the video frame to be displayed is preprocessed such as denoising, graying and enhancement to obtain preprocessed image data, and then the preprocessed image data is input into a pre-trained first target model for semantic segmentation of the image to obtain a semantically segmented image, i.e., the foreground area mentioned above.

[0074] Step S20, obtaining a standard display brightness corresponding to a preset ambient brightness inside the vehicle;

[0075] In this embodiment, the display brightness of the vehicle display screen is determined in advance based on the ambient brightness inside the vehicle, that is, the above-mentioned standard display brightness, which can facilitate the users in the vehicle to see the display content on the vehicle display screen clearly. A mapping relationship table between the ambient brightness inside the vehicle and the display brightness of the vehicle display screen is determined in advance based on a large amount of experimental data. Before displaying the video frame to be displayed, the real-time ambient brightness is detected based on the illumination sensor inside the vehicle, and the preset corresponding standard display brightness is searched in the mapping relationship table based on the detected ambient brightness.

[0076] Step S30, controlling the preset corresponding pixel points of the target area on the vehicle-mounted display screen of the vehicle to light up according to the standard display brightness, so as to display the video frame to be displayed through the vehicle-mounted display screen.

[0077] In this embodiment, based on the target area in the video frame to be displayed, the corresponding pixel point of the target area is determined to be preset on the vehicle display screen, and the backlight area of ​​the corresponding pixel point is controlled to light up according to the above-mentioned standard display brightness to display the video frame to be displayed through the vehicle display screen.

[0078] In a specific implementation, the step S30 includes:

[0079] Step S301, when the display category of the video frame to be displayed is navigation information or entertainment audio and video information, controls the corresponding pixel points of the target area preset on the vehicle's onboard display screen to light up according to the standard display brightness, and controls the corresponding pixel points of the non-target area preset on the vehicle's onboard display screen to light up according to the preset display brightness, so as to display the video frame to be displayed through the vehicle-mounted display screen, wherein the non-target area is the area in the video frame to be displayed except the target area, and the preset display brightness is lower than the standard display brightness.

[0080] In this embodiment, when the display category of the video frame to be displayed is navigation information or entertainment audio and video information, the target area in the video frame to be displayed is controlled to preset corresponding pixel points on the vehicle display screen according to the standard display brightness. At the same time, the non-target area other than the above-mentioned target area in the video frame to be displayed is controlled to light up according to the preset display brightness on the vehicle display screen, so as to display the video frame to be displayed through the vehicle display screen. The present application does not limit the specific size of the above-mentioned preset display brightness. In the present application, the above-mentioned preset display brightness can be any brightness value less than the standard display brightness corresponding to the current ambient brightness. In this embodiment, the above-mentioned preset display brightness is set to seventy percent of the current standard display brightness.

[0081] It should be noted that, in one feasible implementation, when the display category of the video frame to be displayed is vehicle status information, the target area in the video frame to be displayed is controlled to preset the corresponding pixel points on the vehicle display screen according to the standard display brightness, and at the same time, the non-target area other than the above-mentioned target area in the video frame to be displayed is controlled to preset the corresponding pixel points on the vehicle display screen to light up according to the preset display brightness, so as to display the video frame to be displayed through the vehicle display screen; in another feasible implementation, when the display category of the video frame to be displayed is vehicle status information, the target area in the video frame to be displayed is controlled to preset the corresponding pixel points on the vehicle display screen according to the standard display brightness, and at the same time, the non-target area other than the above-mentioned target area in the video frame to be displayed is controlled to preset the display brightness of the corresponding pixel points on the vehicle display screen to be zero, so as to display the video frame to be displayed through the vehicle display screen.

[0082] In this way, the present application determines the target area in the video frame to be displayed on the vehicle display screen based on the display category of the video frame to be displayed; obtains the standard display brightness corresponding to the preset ambient brightness inside the vehicle, and controls the corresponding pixel points of the target area on the vehicle display screen of the vehicle to light up according to the standard display brightness, so as to display the video frame to be displayed through the vehicle display screen. In this way, compared with the traditional method of adjusting the display brightness of the display screen based only on the ambient brightness, the embodiment of the present application determines the target area to be lit from the video frame to be displayed based on the display category of the video frame to be displayed, and then controls the corresponding pixel points of the target area on the vehicle display screen to light up according to the standard display brightness corresponding to the current ambient brightness obtained, so as to display the current video frame through the vehicle display screen, thereby reducing the display area that is lit on the vehicle display screen, that is, reducing the energy output of the vehicle display screen, reducing the risk of overheating of the display screen, and thus improving the stability of the vehicle display screen.

[0083] Furthermore, based on the first embodiment of the method for adjusting the brightness of a vehicle display screen of the present application, a second embodiment of the method for adjusting the brightness of a vehicle display screen of the present application is proposed.

[0084] In this embodiment, the step S30 further includes:

[0085] Step S301, generating a display screen wake-up instruction in response to a display screen wake-up event;

[0086] Step S302, based on the display screen wake-up instruction, controls the corresponding pixel points of the target area on the vehicle display screen to light up according to the standard display brightness, so as to display the video frame to be displayed through the vehicle display screen.

[0087] In this embodiment, in response to a display screen wake-up event triggered by a user in the vehicle, a display screen wake-up instruction is generated, and based on the display screen wake-up instruction, the corresponding pixel points of the target area in the video frame to be displayed on the vehicle display screen are controlled to light up according to the standard display brightness, so as to display the video frame to be displayed through the vehicle display screen.

[0088] It should be noted that the above-mentioned display screen wake-up event is that the distance between the user in the car and the vehicle display screen is less than a preset threshold (hereinafter referred to as the first display screen wake-up event for distinction), the line of sight of the user in the car falls on the vehicle display screen (hereinafter referred to as the second display screen wake-up event for distinction), or the vehicle display screen performs a voice wake-up interactive operation (hereinafter referred to as the third display screen wake-up event for distinction).

[0089] In one feasible implementation, an effective display screen wake-up event is determined based on the display category of the video frame to be displayed. Specifically, when the display category of the video frame to be displayed is vehicle status information, the effective display screen wake-up event is the line of sight of the user in the car falling on the on-board display screen or the interactive operation of voice wake-up of the on-board display screen. That is to say, when it is detected that the line of sight of the user in the car falls on the on-board display screen, the display screen wake-up event is triggered to control the on-board display screen to display the video frame to be displayed, or when the microphone in the vehicle receives a voice command to voice wake-up the on-board display screen, the display screen wake-up event is triggered to control the on-board display screen to display the video frame to be displayed; when the display category of the video frame to be displayed is navigation information or media image In the case of audio information, an effective display screen wake-up event is that the distance between the user in the car and the on-board display screen is less than a preset threshold, the line of sight of the user in the car falls on the on-board display screen, or an interactive operation of voice wake-up is performed on the on-board display screen. That is to say, when it is detected that the distance between the user in the car and the on-board display screen is less than the preset threshold, the display screen wake-up event is triggered, and the on-board display screen is controlled to display the video frame to be displayed. Or, when it is detected that the line of sight of the user in the car falls on the on-board display screen, the display screen wake-up event is triggered, and the on-board display screen is controlled to display the video frame to be displayed. Or, when the microphone in the vehicle receives a voice command for voice wake-up of the on-board display screen, the display screen wake-up event is triggered, and the on-board display screen is controlled to display the video frame to be displayed.

[0090] For example, Figure 4 The figure shows a schematic diagram of the display brightness adjustment process. First, based on the display category of the current video frame to be displayed, the target area in the video frame to be displayed is determined, and based on the display category of the current video frame to be displayed, the effective display wake-up event is determined; it is detected whether the user triggers a valid display wake-up event; if so, the target area of ​​the video frame to be displayed is displayed through the vehicle-mounted display screen, and the device goes into sleep mode after continuously displaying the preset time; if not, the device remains in sleep mode.

[0091] In this way, the embodiment of the present application sets an automatic wake-up mechanism to determine whether the user in the car needs to start the display function of the vehicle display screen. When no display screen wake-up event is detected, the vehicle display screen is controlled to remain in a sleep state to save energy, thereby reducing the risk of overheating of the display screen and further improving the stability of the vehicle display screen.

[0092] In addition, an embodiment of the present application also provides a vehicle-mounted display screen brightness adjustment device.

[0093] Please refer to Figure 5 , Figure 5 This is a functional module diagram of an embodiment of the vehicle display brightness adjustment device of the present application, such as Figure 5 As shown, the vehicle display brightness adjustment device of the present application includes:

[0094] A determination module 10, configured to determine a target area in the video frame to be displayed based on a display category of the video frame to be displayed;

[0095] An acquisition module 20 is used to acquire a standard display brightness corresponding to a preset ambient brightness inside the vehicle;

[0096] The control module 30 is used to control the preset corresponding pixel points of the target area on the vehicle-mounted display screen of the vehicle to light up according to the standard display brightness, so as to display the video frame to be displayed through the vehicle-mounted display screen.

[0097] Furthermore, the display category includes vehicle status information, and the determination module 10 is also used to perform image segmentation processing on the video frame to be displayed when the display category of the video frame to be displayed is the vehicle status information, to obtain an information bearing area carrying valid information in the video frame to be displayed, and to determine the information bearing area as the target area in the video frame to be displayed.

[0098] Furthermore, the display category includes navigation information, and the determination module 10 is also used to perform edge detection processing on the video frame to be displayed when the display category of the video frame to be displayed is the navigation information, to obtain a path area where the navigation route to be traveled in the video frame to be displayed is located, and to determine the path area as the target area in the video frame to be displayed.

[0099] Furthermore, the display category includes entertainment audio and video information, and the determination module 10 is also used to perform image segmentation processing on the video frame to be displayed when the display category of the video frame to be displayed is the entertainment audio and video information, to obtain the foreground area in the video frame to be displayed, and to determine the foreground area as the target area in the video frame to be displayed.

[0100] Furthermore, the control module 30 is also used to control the corresponding pixel points of the target area preset on the vehicle's onboard display screen to light up according to the standard display brightness, and to control the corresponding pixel points of the non-target area preset on the vehicle's onboard display screen to light up according to the preset display brightness, so as to display the video frame to be displayed through the vehicle-mounted display screen, when the display category of the video frame to be displayed is navigation information or entertainment audio and video information, wherein the non-target area is the area in the video frame to be displayed other than the target area, and the preset display brightness is lower than the standard display brightness.

[0101] Furthermore, the control module 30 is also used to generate a display screen wake-up instruction in response to a display screen wake-up event; based on the display screen wake-up instruction, the corresponding pixel points of the target area are preset on the vehicle's onboard display screen to light up according to the standard display brightness, so as to display the video frame to be displayed through the vehicle-mounted display screen.

[0102] Furthermore, the display screen wake-up event is that the distance between the in-car user and the in-car display screen is less than a preset threshold, the in-car user's line of sight falls on the in-car display screen, or an interactive operation of voice wake-up is performed on the in-car display screen.

[0103] The present application also provides a computer storage medium, on which a vehicle display screen brightness adjustment program is stored. When the vehicle display screen brightness adjustment program is executed by a processor, the steps of the vehicle display screen brightness adjustment program method described in any of the above embodiments are implemented.

[0104] The specific embodiments of the computer storage medium of the present application are basically the same as the above-mentioned embodiments of the vehicle display screen brightness adjustment program method of the present application, and will not be repeated here.

[0105] The present application also provides a computer program product, which includes a computer program. When the computer program is executed by a processor, the steps of the method for adjusting the brightness of a vehicle display screen of the present application as described in any of the above embodiments are implemented, which will not be repeated here.

[0106] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or system. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or system including the element.

[0107] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0108] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus the necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, disk, CD) as described above, including several instructions for enabling a vehicle-mounted display screen brightness adjustment device (which can be a TWS headset, etc.) to execute the methods described in each embodiment of the present application.

[0109] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A method for adjusting the brightness of a vehicle display screen, characterized in that: The method for adjusting the brightness of a vehicle display screen comprises the following steps: Determine a target area in the video frame to be displayed based on the display category of the video frame to be displayed; Obtain the standard display brightness corresponding to the ambient brightness preset inside the vehicle; The corresponding pixel points of the target area are controlled to light up according to the standard display brightness on the vehicle-mounted display screen, so as to display the video frame to be displayed through the vehicle-mounted display screen.

2. The method for adjusting the brightness of a vehicle display screen according to claim 1, characterized in that: The display category includes vehicle status information, and the step of determining the target area in the video frame to be displayed based on the display category of the video stream to be displayed includes: When the display category of the video frame to be displayed is the vehicle status information, image segmentation processing is performed on the video frame to be displayed to obtain an information bearing area carrying valid information in the video frame to be displayed, and the information bearing area is determined to be the target area in the video frame to be displayed.

3. The method for adjusting the brightness of a vehicle display screen according to claim 1, characterized in that: The display category includes navigation information, and the step of determining the target area in the video frame to be displayed based on the display category of the video stream to be displayed includes: In the case where the display category of the video frame to be displayed is the navigation information, edge detection processing is performed on the video frame to be displayed to obtain a path area where the navigation route to be traveled in the video frame to be displayed is located, and the path area is determined to be the target area in the video frame to be displayed.

4. The method for adjusting the brightness of a vehicle display screen according to claim 1, wherein: The display category includes entertainment audio and video information, and the step of determining the target area in the video frame to be displayed based on the display category of the video stream to be displayed includes: When the display category of the video frame to be displayed is the entertainment audio-visual information, the video frame to be displayed is subjected to image segmentation processing to obtain a foreground area in the video frame to be displayed, and the foreground area is determined to be a target area in the video frame to be displayed.

5. The method for adjusting the brightness of a vehicle display screen according to claim 1, characterized in that: The step of controlling the corresponding pixel points of the target area to light up according to the standard display brightness on the vehicle-mounted display screen so as to display the video frame to be displayed through the vehicle-mounted display screen includes: In the case where the display category of the video frame to be displayed is navigation information or entertainment audio and video information, the corresponding pixel points of the target area are controlled to light up according to the standard display brightness on the vehicle's onboard display screen, and the corresponding pixel points of the non-target area are controlled to light up according to the preset display brightness on the vehicle's onboard display screen, so as to display the video frame to be displayed through the vehicle's onboard display screen, wherein the non-target area is the area in the video frame to be displayed other than the target area, and the preset display brightness is lower than the standard display brightness.

6. The method for adjusting the brightness of a vehicle display screen according to claim 1, characterized in that: The step of controlling the corresponding pixel points of the target area on the vehicle-mounted display screen to light up according to the standard display brightness so as to display the video frame to be displayed through the vehicle-mounted display screen also includes: In response to a display screen wake-up event, generating a display screen wake-up instruction; Based on the display screen wake-up instruction, the corresponding pixel points of the target area are controlled to light up according to the standard display brightness on the vehicle-mounted display screen, so as to display the video frame to be displayed through the vehicle-mounted display screen.

7. The method for adjusting the brightness of a vehicle display screen according to claim 6, characterized in that: The display screen wake-up event is that the distance between the in-car user and the in-car display screen is less than a preset threshold, the in-car user's line of sight falls on the in-car display screen, or an interactive operation of voice wake-up is performed on the in-car display screen.

8. A vehicle-mounted display screen brightness adjustment device, characterized in that: The vehicle-mounted display screen brightness adjustment device comprises the following steps: A determination module, configured to determine a target area in the video frame to be displayed based on a display category of the video frame to be displayed; An acquisition module, used to acquire a standard display brightness corresponding to a preset ambient brightness inside the vehicle; The control module is used to control the corresponding pixel points of the target area on the vehicle display screen to light up according to the standard display brightness, so as to display the video frame to be displayed through the vehicle display screen.

9. A vehicle-mounted display screen brightness adjustment device, characterized in that: The vehicle display screen brightness adjustment device includes: a memory and a processor, the memory stores a vehicle display screen brightness adjustment program that can be run on the processor, and when the vehicle display screen brightness adjustment program is executed by the processor, the steps of the vehicle display screen brightness adjustment method described in any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a vehicle display screen brightness adjustment program, and when the vehicle display screen brightness adjustment program is executed by the processor, the steps of the vehicle display screen brightness adjustment method according to any one of claims 1 to 7 are implemented.

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