CN118004046A - Control method and device for rear-row display screen of vehicle, vehicle system and vehicle - Google Patents
Control method and device for rear-row display screen of vehicle, vehicle system and vehicle Download PDFInfo
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Abstract
The invention provides a control method, a device, a vehicle system and a vehicle of a rear-row display screen of a vehicle, and belongs to the technical field of intelligent automobiles; and determining first displacement data of the display screen according to the first distance so as to adjust the first distance to a first preset distance. The invention ensures that the optimal eye-protecting distance is kept between the display screen and the passengers so as to protect the eyes of the passengers, thereby being beneficial to optimizing the watching experience of the passengers and further improving the perception quality of the passengers.
Description
Technical Field
The invention relates to the technical field of intelligent automobiles, in particular to a control method and device for a rear display screen of a vehicle, a vehicle system and the vehicle.
Background
In recent years, vehicle-mounted display screens show a trend of large screen and multiple screen, and a two-row screen is usually arranged at a middle position above a second row of seats of a vehicle so as to facilitate learning or entertainment of passengers. However, long-time staring at the near display screen can lead to eye fatigue of passengers, and symptoms such as dryness, acid swelling and the like appear.
In the prior art (application number 202310099708.6, the invention is named as a vehicle display screen control method, device, equipment and storage medium), the front display screen enters a locking mode when the rear display screen of the vehicle enters a management mode, and the display content of the front display screen is determined through the rear display screen, so that a rear passenger can control entertainment operation of the whole vehicle, the front and rear display content of the vehicle is controlled, and the overall control sense of the user on the vehicle is improved.
In another prior art (application number 202110414439.9, the invention is named as a vehicle-mounted screen control system and a vehicle-mounted screen control method), a camera module, a display screen and a control module are arranged, the camera module is used for continuously collecting head images of passengers in the rear row of a vehicle and transmitting the collected head images to the control module, the control module is used for processing the collected head images to determine the head state of the passengers, and then the control module is used for controlling the display screen to be turned on or turned off according to the head state of the passengers, so that the problems that light pollution is caused and energy consumption is increased when the display screen is in a normally-bright state are solved.
None of the above prior art is considered for rear passengers to view the display screen, resulting in undesirable symptoms to the eyes. Therefore, how to improve the display screen from being viewed by the rear passengers is a technical problem to be solved.
Disclosure of Invention
The invention aims to provide a control method of a rear-row display screen of a vehicle, which aims to solve the problem that the eyes of passengers are tired due to the fact that a display screen is stared at nearby for a long time in the prior art; the second purpose is to provide a control device of the rear display screen of the vehicle; a third object is to provide a vehicle system; a fourth object is to provide a vehicle.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a control method of a rear display screen of a vehicle comprises the following steps:
Acquiring a first distance between a display screen and a rear-row passenger, wherein the first distance is a linear distance when the display screen is perpendicular to a front-view line of the rear-row passenger;
and determining first displacement data of the display screen according to the first distance so as to adjust the first distance to a first preset distance.
According to the technical means, the optimal eye protection distance between the display screen and the passengers is kept, so that eyes of the passengers are protected, and eye fatigue caused by long-time watching of the display screen is avoided.
Further, the method further comprises:
acquiring the vision condition of the rear passengers;
Adjusting the first preset distance according to the vision condition to obtain a second preset distance and storing data;
And determining the first displacement data of the display screen according to the second preset distance so as to adjust the first distance to the second preset distance.
According to the technical means, the watching experience of the passengers can be optimized, and the perception quality of the passengers is further improved.
Further, the method further comprises:
Comparing the first distance with the first preset distance or the second preset distance;
when the first distance is greater than the first preset distance, the display screen moves towards the direction of the rear passenger;
When the first distance is smaller than the first preset distance, the display screen moves towards a direction away from the rear passenger;
when the first distance is greater than the second preset distance, the display screen moves towards the direction of the rear passengers;
And when the first distance is smaller than the second preset distance, the display screen moves towards a direction away from the rear passengers.
According to the technical means, the first distance between the display screen and the passenger is ensured to be the first preset distance or the second preset distance.
Further, the method further comprises:
Adjusting the first preset distance or the second preset distance;
When the first preset distance or the second preset distance is reduced, the brightness of the display screen and/or the interior light is reduced;
when the first preset distance or the second preset distance is increased, the brightness of the display screen and/or the interior light is increased.
According to the technical means, the watching experience of the passengers is further optimized, and the perception quality of the passengers is further improved.
Further, before the first distance between the display screen and the rear passenger is acquired, the method further includes:
acquiring images of the rear passengers in real time to acquire height data and angle data of the target body part;
Comparing the height data with reference height data to determine second displacement data of the display screen;
And comparing the angle data with reference angle data, and determining rotation data of the display screen so as to enable the display screen to be perpendicular to the front view line of the rear passengers.
According to the technical means, the display screen is perpendicular to the front view line of the rear passengers.
Further, the method further comprises:
Acquiring the number of the rear passengers in real time;
When the number of the rear passengers is zero, the display screen keeps an initial state;
when the number of the rear passengers is one, adjusting the display screen to be perpendicular to the front view line of the rear passengers;
and when the number of the rear passengers exceeds one person, the display screen is adjusted to the optimal watching position of the plurality of persons after the positions of the plurality of persons are integrated.
According to the technical means, the display screen can meet the requirement that all rear passengers with different numbers of people can have the best watching position.
Further, the method further comprises:
when the vehicle is started, acquiring the number of rear passengers in real time;
when the rear passenger is detected, an image recognition system and the display screen are started;
when the change of the number of the rear passengers is detected, the display screen is adjusted to an optimal viewing position;
And when the number of the rear passengers is detected to be changed to zero, closing the image recognition system and the display screen within a preset time period, and moving the display screen to an initial position.
According to the technical means, the optimal viewing position of the display screen is changed in real time according to the change of the rear passengers during the running of the vehicle.
Further, the method further comprises:
Acquiring facial feature data of the rear passengers;
And establishing a database of the display screen according to the rear passenger data and the movement data of the display screen, wherein the rear passenger data comprises the facial feature data, the height data and the angle data, and the movement data comprises the first displacement data, the second displacement data and the rotation data.
According to the technical means, the database of the display screen is established, so that the response speed of the display screen is improved.
Further, the method further comprises:
inquiring the database according to the rear passenger data acquired in real time;
When the database inquires the rear passenger data collected in real time, calling the mobile data of the database;
And when the rear passenger data acquired in real time are not queried in the database, determining the current movement data of the display screen according to the rear passenger data acquired in real time and storing the current movement data into the database.
According to the technical means, the database of the display screen can be continuously updated, and data support is provided for the subsequent query of the database of the display screen.
A control device for a rear-row display screen of a vehicle, comprising:
the acquisition module is used for acquiring a first distance between the display screen and the rear passenger;
And the adjusting module is used for determining first displacement data of the display screen according to the first distance so as to adjust the first distance to a first preset distance.
A vehicle system, comprising:
One or more processors;
And the storage device is used for storing one or more programs, and when the one or more programs are executed by the one or more processors, the vehicle system is enabled to realize the control method of the rear-row display screen of the vehicle.
A vehicle comprises the control device of the rear display screen of the vehicle or comprises the vehicle system.
The invention has the beneficial effects that:
(1) According to the invention, the first distance between the display screen and the rear passengers is acquired to determine the first displacement data of the display screen, and the first distance is adjusted to the first preset distance, so that the optimal eye-protecting distance between the display screen and the passengers is kept, and the eyes of the passengers are protected; (2) The invention can adjust the first preset distance according to the vision condition of the passenger, so as to adjust the first distance to the second preset distance according to the vision condition of the passenger, optimize the watching experience of the passenger and further improve the perception quality of the passenger.
Drawings
FIG. 1 is a flow chart of a method of controlling a rear display of a vehicle according to an exemplary embodiment of the present invention;
FIG. 2 is a block diagram of a control device for a rear display of a vehicle according to an exemplary embodiment of the present invention;
fig. 3 shows a schematic diagram of a computer system suitable for use in implementing an embodiment of the application.
Detailed Description
Further advantages and effects of the present invention will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
The embodiment provides a control method for a rear-row display screen of a vehicle, as shown in fig. 1, where the method at least includes steps S110 to S120, and the detailed description is as follows:
step S110, a first distance between the display screen and the rear passenger is acquired.
In this embodiment, the first distance is a linear distance when the display screen is perpendicular to the front view line of the rear passenger. Images between the display screen and the passenger seated in the rear passenger of the vehicle can be photographed at multiple angles through a plurality of cameras of an image recognition system installed in the vehicle interior, and the images are processed to obtain a first distance between the display screen and the rear passenger.
For example, when the line between the eyes of the rear passenger is aligned with the lateral center line of the display screen, the distance between the midpoint of the display screen and the midpoint of the line between the eyes of the rear passenger may be acquired and set to the above-described first distance.
Step S120, determining first displacement data of the display screen according to the first distance so as to adjust the first distance to a first preset distance.
In this embodiment, the first displacement data is distance data that the display screen moves toward or away from the rear passenger. And determining first displacement data of the display screen according to the first distance between the display screen and the rear passengers and the optimal eye protection distance of the current rear passengers, namely a first preset distance. Then, the display screen moves from the current first distance to a first preset distance according to the first displacement data, so that the effect of protecting eyes of a rear passenger is achieved when the rear passenger views the display screen.
Specifically, step S120, determining the first displacement data of the display screen according to the first distance to adjust the first distance to the first preset distance, may include steps S210 to S230, which are described in detail below:
step S210, comparing the first distance with a first preset distance.
In this embodiment, the first preset distance is the optimal eye-protection distance between the display screen and the eyes of the rear passenger, and at this time, the eyesight of the rear passenger is set to be 1.0. Comparing the first distance with a first preset distance, and comparing the first distance with the first preset distance to obtain a difference value between the first distance and the first preset distance, wherein the difference value is the first displacement data.
For example, the optimal eye-shielding distance may be set to three times the diagonal length of the display screen, and thus the optimal eye-shielding distance may be adjusted according to the size of the display screen.
In step S220, when the first distance is greater than the first preset distance, the display screen moves toward the rear passenger.
In this embodiment, when the first distance is greater than the first preset distance, it indicates that the distance between the display screen and the rear passenger is greater than the optimal eye-protection distance between the display screen and the eyes of the rear passenger, and then the display screen needs to move towards the rear passenger so as to reduce the distance between the display screen and the rear passenger, so that the first distance is equal to the first preset distance.
In step S230, when the first distance is smaller than the first preset distance, the display screen moves toward a direction away from the rear passenger.
In this embodiment, when the first distance is smaller than the first preset distance, it indicates that the distance between the display screen and the rear passenger is smaller than the optimal eye-protection distance between the display screen and the eyes of the rear passenger, and then the display screen needs to move towards a direction away from the rear passenger, so as to increase the distance between the display screen and the rear passenger, so that the first distance is equal to the first preset distance.
In this embodiment, the control method of the rear display of the vehicle may further include steps S310 to S330, which are described in detail below:
step S310, the vision condition of the rear passenger is acquired.
In this embodiment, the first preset distance is an eye protection distance set according to the eyesight of the rear-row passenger being 1.0, when the eyesight of the rear-row passenger is less than 1.0 and the rear-row passenger is not wearing glasses, the first preset distance is not applicable to the rear-row passenger any more, the effect of protecting the eyes of the rear-row passenger is not available any more, and the rear-row passenger is very likely to see the content of the display screen, so that the impression of the rear-row passenger on the display screen is reduced. At this time, it is necessary to acquire the vision condition of the rear passenger, and adjust the optimum eye-protecting distance of the rear passenger according to the vision condition.
Illustratively, the vision condition of the rear passenger may be obtained by the manual input of the rear passenger; the method can also be obtained by a mode of general voice recognition through voice notification of a rear passenger; vision options can be added on the display screen, and the rear passengers can select according to own vision conditions, so that the vision of the rear passengers is obtained.
Step S320, the first preset distance is adjusted according to the vision condition to obtain the second preset distance and save the data.
In this embodiment, the second preset distance may be set to be the product of vision and three times the diagonal length of the display screen. Specifically, when the eyesight of the rear passengers is 0.8, the second preset distance is three times the diagonal length of the display screen multiplied by 0.8; when the vision of the rear passenger is 0.6, the second preset distance is three times the diagonal length of the display screen multiplied by 0.6, and the second preset distance which characterizes the vision condition of the rear passenger is obtained by the same. After the second preset distance of each vision condition is obtained, the corresponding data of the vision and the second preset distance are required to be stored, so that the second preset distance can be called for quick response when a rear passenger with the same vision condition encounters next time; or in case the rear passenger is stationary, can be switched directly to the second preset distance.
Step S330, according to the second preset distance, determining the first displacement data of the display screen so as to adjust the first distance to the second preset distance.
In this embodiment, the first displacement data of the display screen is determined according to the obtained first distance between the display screen and eyes of the rear passenger and the second preset distance adjusted according to the vision condition of the rear passenger. Then, the display screen moves from the first distance to the second preset distance according to the first displacement data, so that when a rear passenger views the display screen, the content of the display screen can be seen clearly, and eyes of the rear passenger can be protected.
Specifically, the first distance is compared with the second preset distance, and the difference value between the first distance and the second preset distance is the first displacement data.
When the first distance is greater than the second preset distance, the distance between the display screen and the rear passengers is larger than the optimal eye protection distance between the display screen and the eyes of the rear passengers, and the display screen needs to move towards the direction of the rear passengers so as to reduce the distance between the display screen and the rear passengers, and the first distance is equal to the second preset distance.
When the first distance is smaller than the second preset distance, the distance between the display screen and the rear passenger is smaller than the optimal eye-protection distance between the display screen and the eyes of the rear passenger, and the display screen needs to move towards a direction away from the rear passenger so as to increase the distance between the display screen and the rear passenger, so that the first distance is equal to the second preset distance.
In this embodiment, the control method of the rear display of the vehicle may further include steps S410 to S430, which are described in detail below:
in step S410, the first preset distance or the second preset distance is adjusted.
In this embodiment, after the first distance between the display screen and the rear passenger is adjusted to the first preset distance or the second preset distance of the eye protection distance, if the rear passenger is not satisfied with the eye protection distance, the first preset distance or the second preset distance may be adjusted to reach the distance satisfied by the rear passenger. Specifically, the adjustment of the first preset distance or the second preset distance may be to increase the distance size of the first preset distance or the second preset distance, or may be to decrease the distance size of the first preset distance or the second preset distance.
The rear passengers can control the display screen to move through physical hard keys on the door plate or the seat or soft keys on the display screen, and can also control the display screen to move through the voice recognition system so as to adjust the first preset distance or the second preset distance.
In step S420, when the first preset distance or the second preset distance is reduced, the brightness of the display screen and/or the in-vehicle light is reduced.
In this embodiment, when the display screen is controlled to move toward the rear passenger to reduce the first preset distance or the second preset distance, in order to protect eyes of the rear passenger, the brightness of the display screen or the interior light is reduced, or the brightness of the display screen and the interior light is reduced, so as to reduce the light intensity that the eyes of the rear passenger can feel, thereby achieving the effect of protecting eyes.
In step S430, when the first preset distance or the second preset distance increases, the brightness of the display screen and/or the in-vehicle light increases.
In this embodiment, when the display screen is controlled to move in a direction away from the rear passenger to increase the first preset distance or the second preset distance, in order to protect eyes of the rear passenger, brightness of the display screen or the interior light will increase, or brightness of the display screen and the interior light will increase, so as to enhance light intensity that eyes of the rear passenger can feel, thereby not only achieving an eye protection effect, but also being beneficial to improving the viewing sense of the rear passenger watching the display screen.
In this embodiment, step S110, before the first distance between the display screen and the rear passenger is obtained, the control method of the rear display screen of the vehicle may further include steps S510 to S530, which are described in detail below:
in step S510, images of the rear passengers are acquired in real time to acquire height data and angle data of the target body part.
In this embodiment, the rear passenger is photographed at multiple angles by a plurality of cameras of an image recognition system in the vehicle, so as to obtain a multi-dimensional 2D image of the rear passenger. And carrying out image recognition on the 2D image so as to obtain the height data and the angle data of the target body part. The target body part of the rear passenger can be eyes, a head, a shoulder, or a head and a shoulder, etc.; the height data refers to the height value of the target body part of the rear passenger relative to a reference object, which can be selected from any object in the vehicle that can be aligned; the angle data refers to the horizontal rotation angle of the target body part of the rear passenger.
For example, when the target body part of the rear passenger is an eye, the height of the midpoint of the line between the eyes of the rear passenger with respect to the reference is set as the height data, and the rotation angle of the line between the eyes of the rear passenger with respect to the horizontal is set as the rotation angle.
And step S520, comparing the angle data with the reference angle data, and determining rotation data of the display screen so as to enable the display screen to be perpendicular to the front view line of the rear passengers.
In this embodiment, the reference angle data is set to an angle value of 0 ° to the horizontal line, that is, to be in agreement with the horizontal line, when an adult having a height of 170CM is sitting on the rear seat.
When the back-row passenger is one person, comparing the acquired angle data of the current back-row passenger with the reference angle data to obtain an angle difference value between the current back-row passenger and the reference angle data, wherein the angle difference value is the rotation data of the display screen. The display screen rotates according to the angle difference value, and the inclination angle of the display screen relative to the horizontal line after rotation is consistent with the inclination angle of the connecting line between the two eyes of the current rear-row passenger relative to the horizontal line.
And when the rear passengers exceed one person, acquiring the angle data of a plurality of rear passengers, and obtaining the average value of the angle data of all the rear passengers. And comparing the average value with reference angle data to obtain an angle difference value between the average value and the reference angle data, wherein the angle difference value is the rotation data of the display screen.
In step S530, the height data is compared with the reference height data to determine second displacement data of the display screen.
In this embodiment, the reference height data is set to a height value of the target body part relative to the reference object when an adult having a height of 170CM is sitting in the rear seat.
When the rear passenger is one person, comparing the acquired height data of the target body part of the current rear passenger with the reference height data to obtain a height difference value between the two, wherein the height difference value is the second displacement data of the display screen. Specifically, when the height data of the target body part of the rear passenger is greater than the reference height data, the display screen moves upwards; when the height data of the rear passenger's target body part is smaller than the reference height data, the display screen moves downward.
When the rear passengers exceed one person, the height data of a plurality of rear passengers are obtained, and the average value of the height data of all rear passengers is obtained. And comparing the average value with the reference height data to obtain a height difference value between the average value and the reference height data, wherein the height difference value is the second movement data of the display screen.
In the moving process, the display screen rotates according to the rotation data; and after the display screen rotates to be consistent with the angle data of the rear-row passengers, moving in the height direction according to the second displacement data, so that the display screen is perpendicular to the front view line of the rear-row passengers.
In this embodiment, the control method of the rear display of the vehicle may further include steps S610 to S640, which are described in detail below:
Step S610, the number of rear passengers is acquired.
In this embodiment, the number of rear passengers may be directly acquired according to the seat sensor, or passenger information may be manually configured for the vehicle-mounted rear screen by the passenger or the driver, or may be acquired through the image recognition system.
In step S620, when the number of rear passengers is zero, the display screen maintains an initial state.
In this embodiment, when no rear passengers are detected, that is, the number of rear passengers is zero, the display screen is located at the initial position and remains stationary, and the display screen is in a closed state, so as to save energy.
In step S630, when the number of rear passengers is one, the display screen is adjusted to be perpendicular to the front view line of the rear passengers.
In this embodiment, when the number of rear passengers is detected as one, the display screen and the image recognition system are turned on. The image recognition system detects the height data and the angle data of the rear passengers and adjusts the display screen to a position perpendicular to the front view line of the single rear passenger so as to be convenient for the rear passengers to watch.
In step S640, when the number of rear passengers exceeds one person, the display screen is adjusted to the best viewing position of the multiple persons after integrating the positions of the multiple persons.
In this embodiment, when the number of rear passengers is detected to be two to a specified maximum number, the display screen and the image recognition system are turned on, the image recognition system needs to detect target body parts of all rear passengers, acquire height data and angle data of all rear passengers, determine average height data and average angle data of all rear passengers, and adjust the display screen to an optimal viewing position of all rear passengers.
In this embodiment, the control method of the rear display of the vehicle may further include steps S710 to S740, which are described in detail below:
In step S710, the number of rear passengers is detected in real time after the vehicle is started.
In this embodiment, under the condition that the vehicle is started, a basis is provided for whether to start the image recognition system and the display screen subsequently by determining the number of rear passengers.
In step S720, when the rear passenger is detected, the image recognition system and the display screen are turned on.
In this embodiment, when the rear seat is detected to be occupied by a passenger, the image recognition system is turned on to acquire height data and angle data of the rear passenger, so as to provide data support for controlling movement of the display screen. And simultaneously, a display screen is started for the rear passengers to watch.
In step S730, when the change in the number of rear passengers is detected, the display screen is adjusted to the optimal viewing position.
In this embodiment, the number of rear passengers may be increased or decreased when temporary stop occurs during running of the vehicle. When the number of rear passengers is detected to change, the optimal watching position of the display screen is adjusted according to the real-time number of passengers, so that watching requirements of all passengers in the rear row are met.
In step S740, when it is detected that the number of rear passengers is changed to zero, the image recognition system and the display screen are turned off in a preset period of time, and the display screen is moved to the initial position.
In this embodiment, when the rear passengers are all getting off the vehicle during the temporary stop of the vehicle, the number of rear passengers is changed to zero. At this time, the image recognition system and the display screen will be turned off within a preset period of time, which is set to be within 30 seconds, to save energy. And the display screen moves to the initial position after being closed, so that a space is reserved for the next passenger to sit at the rear row, and collision with the passengers at the rear row is avoided.
In this embodiment, the control method of the rear display of the vehicle may further include steps S810 to S850, which are described in detail below:
Step S810, acquiring facial feature data of a rear passenger.
In this embodiment, the image of the rear passenger collected in real time is identified, and the facial feature data of the rear passenger is determined by identifying the data information of each feature point of the face of the rear passenger. Wherein, each characteristic point of the human face can comprise the sizes of eyes, nose and mouth, the distance between the organs, and the like. The facial data features are also tied to the vision condition of the rear passenger having the facial data features.
When the number of the rear passengers is one, only the facial feature data of the rear passenger is identified; when the number of rear passengers exceeds one, it is necessary to recognize the facial feature data of all rear passengers and add the number of rear passengers to the facial feature data.
Step S820, a database of the display screen is built according to the rear passenger data and the movement data of the display screen.
Specifically, the rear passenger data includes facial feature data, altitude data, and angle data, and the movement data includes first displacement data, second displacement data, and rotation data.
In this embodiment, when a passenger takes a vehicle for the first time in the rear row, the facial feature data of the passenger in the rear row is acquired, and the movement data of the display screen is confirmed by the facial feature data. Then, a database of the display screen is built up by the facial feature data and the movement data of the display screen corresponding thereto.
Step S830, the database is queried according to the rear passenger data collected in real time.
In this embodiment, when the passenger takes the vehicle for the second time in the rear row, the facial feature data of the rear passenger is acquired again. And carrying the facial feature data of the rear passengers acquired for the second time into a database established before, and comparing the facial feature data with the facial feature data stored in the database for the first time one by one.
In step S840, the database is called for moving data when the database is queried for the real-time collected rear passenger data.
In this embodiment, when the facial feature data, the height data and the angle data acquired in real time are completely consistent with the facial feature data, the height data and the angle data in the database, the mobile data corresponding to the rear passenger data in the database is called, and the display screen directly executes the mobile data, where the mobile data includes the first displacement data, the second displacement data and the rotation data, which is beneficial to improving the response speed of the display screen.
Step S850, if the real-time collected rear passenger data is not queried in the database, determining the current movement data of the display screen according to the real-time collected rear passenger data, and storing the current movement data in the database.
In this embodiment, when the facial feature data, the height data, and the angle data acquired in real time are inconsistent with one or more of the facial feature data, the height data, and the angle data in the database, the mobile data in the database is abandoned. According to the facial feature data, the height data and the angle data acquired in real time, determining the movement data of the display screen through the method for determining the movement data, and enabling the display screen to execute the determined movement data. And finally, storing the rear passenger data acquired in real time and the mobile data of the display screen corresponding to the rear passenger data into a database of the display screen, and providing data for the next inquiry.
It should be noted that, through the repeated execution of the steps S830 to S850, the database of the display screen may be continuously updated, so as to provide the query data for the next movement of the display screen of the rear passenger of the vehicle, so as to facilitate the rapid response of the display screen.
In this embodiment, a control device for a rear display of a vehicle is also provided, as shown in fig. 2, where the control device 200 for a rear display of a vehicle includes:
the acquiring module 210 is configured to acquire a first distance between the display screen and the rear passenger.
The adjusting module 220 is configured to determine first displacement data of the display screen according to the first distance, so as to adjust the first distance to a first preset distance.
It should be noted that, the control device of the rear-row display screen of the vehicle provided in the foregoing embodiment and the control method of the rear-row display screen of the vehicle provided in the foregoing embodiment belong to the same concept, and the specific manner in which each module and unit perform the operation has been described in detail in the method embodiment, which is not repeated herein. In practical application, the control device for the rear display screen of the vehicle provided in the above embodiment may allocate the functions to different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above, which is not limited herein.
In this embodiment, there is also provided a vehicle system including: one or more processors; and the storage device is used for storing one or more programs, and when the one or more programs are executed by the one or more processors, the vehicle system is enabled to realize the control method of the rear-row display screen of the vehicle provided in each embodiment.
Fig. 3 shows a schematic structural diagram of a vehicle system suitable for implementing an embodiment of the application. It should be noted that the vehicle system 300 shown in fig. 3 is only an example, and should not be construed as limiting the function and scope of use of the embodiment of the present application.
As shown in fig. 3, the computer system 300 includes a central processing unit (Central Processing Unit, CPU) 301 that can perform various appropriate actions and processes, such as performing the methods described in the above embodiments, according to a program stored in a Read-Only Memory (ROM) 302 or a program loaded from a storage section 308 into a random access Memory (Random Access Memory, RAM) 303. In the RAM 303, various programs and data required for the system operation are also stored. The CPU 301, ROM 302, and RAM 303 are connected to each other through a bus 304. An Input/Output (I/O) interface 305 is also connected to bus 304.
The following components are connected to the I/O interface 305: an input section 306 including a keyboard, a mouse, and the like; an output portion 307 including a Cathode Ray Tube (CRT), a Liquid crystal display (Liquid CRYSTAL DISPLAY, LCD), and a speaker, etc.; a storage section 308 including a hard disk or the like; and a communication section 309 including a network interface card such as a LAN (Local Area Network ) card, a modem, or the like. The communication section 309 performs communication processing via a network such as the internet. The drive 310 is also connected to the I/O interface 305 as needed. A removable medium 311 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is installed on the drive 310 as needed, so that a computer program read therefrom is installed into the storage section 308 as needed.
In particular, according to embodiments of the present application, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising a computer program for performing the method shown in the flowchart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication portion 309, and/or installed from the removable medium 311. When executed by a Central Processing Unit (CPU) 301, performs the various functions defined in the system of the present application.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. Where each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units involved in the embodiments of the present application may be implemented by software, or may be implemented by hardware, and the described units may also be provided in a processor. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.
In this embodiment, a vehicle is also provided, which includes the control device for the rear display of the vehicle according to the above embodiment, or includes the vehicle system according to the above embodiment.
The above embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention.
Claims (12)
1. A control method for a rear display of a vehicle, the method comprising:
Acquiring a first distance between a display screen and a rear-row passenger, wherein the first distance is a linear distance when the display screen is perpendicular to a front-view line of the rear-row passenger;
and determining first displacement data of the display screen according to the first distance so as to adjust the first distance to a first preset distance.
2. The control method of a rear display of a vehicle according to claim 1, characterized in that the method further comprises:
acquiring the vision condition of the rear passengers;
Adjusting the first preset distance according to the vision condition to obtain a second preset distance and storing data;
And determining the first displacement data of the display screen according to the second preset distance so as to adjust the first distance to the second preset distance.
3. The control method of a rear display of a vehicle according to claim 2, characterized in that the method further comprises:
Comparing the first distance with the first preset distance or the second preset distance;
when the first distance is greater than the first preset distance, the display screen moves towards the direction of the rear passenger;
when the first distance is smaller than the first preset distance, the display screen moves towards a direction away from the rear passenger; when the first distance is greater than the second preset distance, the display screen moves towards the direction of the rear passengers;
And when the first distance is smaller than the second preset distance, the display screen moves towards a direction away from the rear passengers.
4. The control method of a rear display of a vehicle according to claim 2, characterized in that the method further comprises:
Adjusting the first preset distance or the second preset distance;
When the first preset distance or the second preset distance is reduced, the brightness of the display screen and/or the interior light is reduced;
when the first preset distance or the second preset distance is increased, the brightness of the display screen and/or the interior light is increased.
5. The method for controlling a rear display of a vehicle according to any one of claims 1 to 4, wherein before the first distance between the display and the rear passenger is obtained, the method further comprises:
acquiring images of the rear passengers in real time to acquire height data and angle data of the target body part;
Comparing the height data with reference height data to determine second displacement data of the display screen;
And comparing the angle data with reference angle data, and determining rotation data of the display screen so as to enable the display screen to be perpendicular to the front view line of the rear passengers.
6. The control method of a rear display of a vehicle according to claim 5, characterized in that the method further comprises:
Acquiring the number of the rear passengers in real time;
When the number of the rear passengers is zero, the display screen keeps an initial state;
when the number of the rear passengers is one, adjusting the display screen to be perpendicular to the front view line of the rear passengers;
and when the number of the rear passengers exceeds one person, the display screen is adjusted to the optimal watching position of the plurality of persons after the positions of the plurality of persons are integrated.
7. The control method of a rear display of a vehicle according to claim 6, characterized in that the method further comprises:
when the vehicle is started, acquiring the number of rear passengers in real time;
when the rear passenger is detected, an image recognition system and the display screen are started;
when the change of the number of the rear passengers is detected, the display screen is adjusted to an optimal viewing position;
And when the number of the rear passengers is detected to be changed to zero, closing the image recognition system and the display screen within a preset time period, and moving the display screen to an initial position.
8. The control method of a rear display of a vehicle according to claim 5, characterized in that the method further comprises:
Acquiring facial feature data of the rear passengers;
And establishing a database of the display screen according to the rear passenger data and the movement data of the display screen, wherein the rear passenger data comprises the facial feature data, the height data and the angle data, and the movement data comprises the first displacement data, the second displacement data and the rotation data.
9. The control method of a rear display of a vehicle according to claim 8, characterized in that the method further comprises:
inquiring the database according to the rear passenger data acquired in real time;
when the database inquires the rear passenger data collected in real time, calling the mobile data of the database; and when the rear passenger data acquired in real time are not queried in the database, determining the current movement data of the display screen according to the rear passenger data acquired in real time and storing the current movement data into the database.
10. A control device for a rear-row display screen of a vehicle, comprising:
the acquisition module is used for acquiring a first distance between the display screen and the rear passenger;
And the adjusting module is used for determining first displacement data of the display screen according to the first distance so as to adjust the first distance to a first preset distance.
11. A vehicle system, comprising:
One or more processors;
Storage means for storing one or more programs which, when executed by the one or more processors, cause the vehicle system to implement the control method of the vehicle rear-row display screen according to any one of claims 1 to 9.
12. A vehicle comprising the control device for a rear display of a vehicle according to claim 10, or comprising the vehicle system according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410344487.9A CN118004046A (en) | 2024-03-25 | 2024-03-25 | Control method and device for rear-row display screen of vehicle, vehicle system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410344487.9A CN118004046A (en) | 2024-03-25 | 2024-03-25 | Control method and device for rear-row display screen of vehicle, vehicle system and vehicle |
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| CN118004046A true CN118004046A (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410344487.9A Pending CN118004046A (en) | 2024-03-25 | 2024-03-25 | Control method and device for rear-row display screen of vehicle, vehicle system and vehicle |
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| Country | Link |
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| CN (1) | CN118004046A (en) |
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- 2024-03-25 CN CN202410344487.9A patent/CN118004046A/en active Pending
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