CN113119877A - Vehicle-mounted screen control system and vehicle-mounted screen control method - Google Patents
Vehicle-mounted screen control system and vehicle-mounted screen control method Download PDFInfo
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- CN113119877A CN113119877A CN202110414439.9A CN202110414439A CN113119877A CN 113119877 A CN113119877 A CN 113119877A CN 202110414439 A CN202110414439 A CN 202110414439A CN 113119877 A CN113119877 A CN 113119877A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/0007—Adding substances other than water to the air, e.g. perfume, oxygen
- B60H3/0035—Adding substances other than water to the air, e.g. perfume, oxygen characterised by the control methods for adding the substance
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
- B60R2011/0012—Seats or parts thereof
- B60R2011/0015—Back-rests
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
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- Controls And Circuits For Display Device (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The application discloses vehicle-mounted screen control system and vehicle-mounted screen control method, and the vehicle-mounted screen control system comprises a camera module, a display screen and a control module, wherein: the camera module is electrically connected with the control module and is used for collecting head images of passengers on the back row of the vehicle; the display screen is arranged on the back of a front seat of the vehicle and is electrically connected with the control module; the control module is configured to determine a head state of the passenger according to the acquired head image, and control the display screen to be turned on or off according to the head state, where the head state includes: a state of viewing the display screen or a state of not viewing the display screen.
Description
Technical Field
The application relates to the field of terminal equipment, in particular to a vehicle-mounted screen control system and a vehicle-mounted screen control method.
Background
Along with the development of science and technology, the inside screen of vehicle develops towards the trend of large screen ization, many screen ization, the development of large screen and many screen connections makes customer's user scene more and more, for people has brought the facility, for example, some high-grade cars at present, respectively arrange a large screen through the back at the front seat, equip back row entertainment system for the vehicle, functions such as video conversation and watching film can be realized to this screen, back row entertainment system's setting has effectively promoted the travelling comfort and the convenience of vehicle back row.
However, when a back-row passenger watches the screen for a long time, the back-row passenger is prone to visual fatigue and may enter a sleeping state, and it is often inconvenient for the driver to close the back-row screen.
Disclosure of Invention
The application discloses a vehicle-mounted screen control system and a vehicle-mounted screen control method, which aim to solve the problems that light pollution can be caused and energy consumption can be increased when a display screen is in a normally-on state.
In order to solve the above problems, the following technical solutions are adopted in the present application:
first aspect, the embodiment of the application discloses a vehicle-mounted screen control system, including module, display screen and the control module of making a video recording, wherein: the camera module is electrically connected with the control module and is used for collecting head images of passengers on the back row of the vehicle; the display screen is arranged on the back of a front seat of the vehicle and is electrically connected with the control module; the control module is configured to determine a head state of the passenger according to the acquired head image, and control the display screen to be turned on or off according to the head state, where the head state includes: a state of viewing the display screen or a state of not viewing the display screen.
In a second aspect, an embodiment of the present application discloses a vehicle-mounted screen control method, which is applied to the vehicle-mounted screen control system in the first aspect, and includes: acquiring a collected head image of a passenger in a rear row of a vehicle; determining the head state of the passenger according to the acquired head image, wherein the head state comprises: a state of viewing the display screen or a state of not viewing the display screen; and controlling the opening or closing of the display screen according to the head state of the passenger.
In a third aspect, an embodiment of the present application discloses an electronic device, which includes a processor, a memory, and a program or an instruction stored in the memory and executable on the processor, where the program or the instruction, when executed by the processor, implements the steps of the in-vehicle screen control method according to the second aspect.
In a fourth aspect, an embodiment of the present application discloses a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the in-vehicle screen control method according to the second aspect.
In a fifth aspect, an embodiment of the present application discloses a chip, where the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is configured to run a terminal program or an instruction, so as to implement the vehicle-mounted screen control method according to the second aspect.
The technical scheme adopted by the application can achieve the following beneficial effects:
the embodiment of the application provides a pair of vehicle-mounted screen control system, including the module of making a video recording, display screen and control module, the display screen sets up the back at the front seat of vehicle, the module of making a video recording and display screen are connected with the control module electricity respectively, the module of making a video recording lasts the head image of the passenger of gathering the vehicle back row and transmits the head image who gathers to control module, control module handles the head figure of gathering, confirm passenger's head state, then according to passenger's head state, control module controls opening or closing of display screen, thereby the problem that the display screen is in the normal bright state and can bring light pollution and increase the energy consumption has been solved.
Drawings
Fig. 1 is a schematic structural diagram of a vehicle-mounted screen control system disclosed in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of another vehicle-mounted screen control system disclosed in the embodiment of the present application;
FIG. 3 is a schematic structural diagram of another vehicle-mounted screen control system disclosed in the embodiment of the present application;
FIG. 4 is a schematic flowchart of a method for controlling a vehicle-mounted screen according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an electronic device provided in an embodiment of the present application;
fig. 6 shows a hardware structure diagram of an electronic device provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The embodiment of the application discloses a mobile terminal, and fig. 1 is a schematic structural diagram of a vehicle-mounted screen control system disclosed in the embodiment of the application.
As shown in FIG. 1, the on-vehicle screen control system that this application discloses includes module, display screen and the control module of making a video recording, wherein: the camera module is electrically connected with the control module and is used for acquiring head images of passengers on the back row of the vehicle; the display screen is arranged on the back of a front seat of the vehicle and is electrically connected with the control module; the control module is used for determining the head state of the passenger according to the collected head image and controlling the opening or closing of the display screen according to the head state, wherein the head state comprises: a state of viewing the display screen or a state of not viewing the display screen.
In the embodiment of the application, the camera module and the display screen are respectively electrically connected with the control module, the camera module can continuously collect the head images of the passengers in the back row of the vehicle according to a certain frequency (for example, 1 s/time) and transmit the collected head images to the control module, then the control module processes the collected head images to determine the head state of the passengers, and then the control module controls the display screen to be opened or closed according to the head state of the passengers, under the condition that the display screen is closed, if the passenger is in a state of watching the display screen and the duration time of the state is longer than a first preset time, the control module controls the display screen to be opened, under the condition that the display screen is opened, if the passenger is in a state of not watching the display screen and the duration time of the state is less than a second preset time, the control module controls the display screen to be closed. In a specific application, the first preset time and the second preset time may be determined according to an actual application, for example, the first preset time may be 2s, and the second preset time may be 3 s.
It should be noted that the specific number of the display screens is not limited in the present application, and the display screens and the control module are provided with an automatic memory function, that is, after the display screens are closed, the vehicle-mounted screen control system automatically saves the video breakpoints played before the closing, and when the display screens are opened next time for playing, the playing is directly started from the breakpoints closed last time.
The embodiment of the application provides a pair of vehicle-mounted screen control system, including the module of making a video recording, display screen and control module, the display screen sets up the back at the front seat of vehicle, the module of making a video recording and display screen are connected with the control module electricity respectively, the module of making a video recording lasts the head image of the passenger of gathering the vehicle back row and transmits the head image who gathers to control module, control module handles the head figure of gathering, confirm passenger's head state, then according to passenger's head state, control module controls opening or closing of display screen, thereby the problem that the display screen is in the normal bright state and can bring light pollution and increase the energy consumption has been solved.
Fig. 2 is a schematic structural diagram of another vehicle-mounted screen control system disclosed in the embodiment of the present application, and as shown in fig. 2, the vehicle-mounted screen control system disclosed in the present application further includes: the carbon dioxide sensor is electrically connected with the control module; and the control module is also used for controlling the display screen to display prompt information for prompting whether the passenger closes the display screen or not when the carbon dioxide sensor detects that the concentration of the carbon dioxide in the vehicle is greater than a preset concentration value. That is to say, under the condition that the display screen is in the on-state, carbon dioxide sensor continuously detects the inside carbon dioxide concentration of vehicle, because the height of carbon dioxide concentration is directly proportional with passenger's fatigue degree, consequently, when the inside carbon dioxide concentration of vehicle risees to being greater than the preset concentration value, on-vehicle screen control system thinks that the passenger is comparatively tired this moment, by the prompt message that control module control display screen display suggestion passenger closed the display screen, for example, control module can control the display screen and show the bullet window that has prompt message.
Further, as shown in fig. 3, the vehicle-mounted screen control system disclosed in the present application may further include: the air-conditioning fragrance module is electrically connected with the control module; and the control module is also used for controlling the air conditioner fragrance module to be started when receiving confirmation information indicating that the display screen is not closed. Specifically, when the carbon dioxide sensor detects that the concentration of carbon dioxide in the vehicle is greater than a preset concentration value, the control module controls the display screen to display prompt information for prompting a passenger to close the display screen, the passenger can select to close the display screen or not to close the display screen, under the condition that the passenger selects to close the display screen, the control module controls the display screen to be closed when receiving confirmation information indicating to close the display screen, under the condition that the passenger selects not to close the display screen, the control module controls the air-conditioning fragrance module to be opened when receiving confirmation information indicating not to close the display screen, and the fatigue of the passenger is reduced. In addition, when the air conditioner fragrance module is controlled to be started, the control module can also control the display screen to play videos capable of improving the excitement of passengers, so that the fatigue of the passengers is reduced in a foreign object mode.
In a possible implementation manner, the vehicle-mounted screen control system disclosed by the application further comprises a switch, wherein the switch is arranged on the display screen and is used for controlling the control module to be in a working state or a non-working state. That is to say, the passenger can open the vehicle-mounted screen control system or close the vehicle-mounted screen control system through the switch according to the specific requirement of the passenger.
In the application, the vehicle-mounted screen control system can further comprise a seat sensor, wherein the seat sensor is electrically connected with the control module; and the control module is also used for controlling the opening or closing of the display screen by detecting whether passengers exist on the back row seats of the vehicle according to the seat sensors. Specifically, when the seat sensor detects someone on the vehicle back row seat, the module of making a video recording begins work, the module of making a video recording lasts the head image that detects the vehicle back row passenger and transmits the head image who gathers to control module promptly, again by control module to handling the head image who gathers, confirm passenger's head state, then according to passenger's head state, control module controls opening or closing of display screen, when the seat sensor detects nobody on the vehicle back row seat, screen self-closing. The arrangement of the seat sensor increases the safety factor of the vehicle-mounted screen control system, and false triggering operation can be prevented.
In an embodiment of the present application, the determining, by the control module, the head state of the passenger according to the captured head image includes: and acquiring target features of the passengers on the back row from the head image, and comparing the target features with original coordinates in a calibration mode, wherein the target features comprise three-dimensional coordinates of each feature point of the peripheral outline of the face in the head image.
Specifically, the vehicle-mounted screen control system may store, in a calibration mode, a face peripheral contour of a face of a passenger who frequently takes a car when the face of the passenger faces the display screen, extract three-dimensional coordinates of each feature point of the face peripheral contour in the state as original coordinates of the passenger viewing the display screen, extract three-dimensional coordinates of each feature point of the face peripheral contour in a head image of the passenger in a current state of the passenger when the passenger takes the vehicle, compare the three-dimensional coordinates with the original coordinates, and determine whether the passenger is in a state of viewing the display screen or in a state of not viewing the display screen, or a passenger who first takes a rear row of the vehicle using the vehicle-mounted screen control system may enter the calibration mode according to an operation guidance displayed on the display screen, the face of the passenger looks at the display screen, the camera module records the face peripheral contour of the passenger at that time, and extracts three-dimensional coordinates of each feature point of the face peripheral contour in the state as original seating of the passenger viewing the display screen And in the subsequent riding process, the camera module continuously collects the head image of the passenger and extracts the three-dimensional coordinates of each characteristic point of the peripheral outline of the face in the head image in real time to compare with the original coordinates, and the passenger is determined to be in the state of watching the display screen or not watching the display screen.
Whether the head is close to or far from the display screen, or translation, head up, head down, lateral tilt, etc., can significantly affect the accuracy of the prediction. In the embodiment of the present application, the similarity may be used to determine the head state of the passenger. In the embodiment of the present application, the definition of the similarity is as follows: sim (F0, F1) ═ Int (Cir0, Cir1), where Cir0 represents the three-dimensional coordinates of each feature point of the face peripheral contour of the passenger at the origin of coordinates and when viewing the display screen, Cir1 represents the three-dimensional coordinates of each feature point of the face peripheral contour of the passenger in the current state, and Int is the intersection ratio of the area occupied by two circles, i.e., the similarity, equal to the intersection ratio of the peripheral contour composed of the head image feature points, and is a value between [0,1 ]. The intersection ratio, i.e. the ratio of the intersection of two sets to the number of elements in the union, is an index for measuring the similarity of the two sets, and is also called the degree of overlap in the image-related field, and the ratio of the area of the overlapped region of the two plane graphics to the total area of the overlap.
When the comparison result of the target feature and the original coordinate is completely equal, the similarity is 1, and when the head is close to or far away from the display screen, translated, tilted or inclined, the similarity is reduced and is 0 at the lowest. Further, a first threshold value and a second threshold value can be set, and if the similarity between the target feature and the original coordinate is greater than the first threshold value, the head state of the passenger is determined to be the state of watching the display screen; if the similarity between the target feature and the original coordinate is smaller than a second threshold value, the head state of the passenger is determined to be the state that the passenger does not watch the display screen, and if the similarity between the target feature and the original coordinate is between the first threshold value and the second threshold value, the state of the display screen is not changed, and the original state is kept. Specifically, the first threshold may be set to 0.6, and the second threshold may be set to 0.4.
Based on the vehicle-mounted screen control system disclosed by the embodiment of the application, the embodiment of the application further discloses a vehicle-mounted screen control method, and as shown in fig. 4, the vehicle-mounted screen control method in the embodiment of the application mainly comprises the following steps.
S401, acquiring the collected head image of the passenger on the rear row of the vehicle.
When the vehicle-mounted screen control system is started, the camera module can continuously collect the head images of the passengers on the back row of the vehicle according to a certain frequency (for example, 1 s/time) and transmit the collected head images to the control module, and the vehicle-mounted screen control system realizes the acquisition of the collected head images of the passengers on the back row of the vehicle.
S402, determining the head state of the passenger according to the collected head image, wherein the head state comprises: a state of viewing the display screen or a state of not viewing the display screen.
In this step, after the control module receives the head image transmitted by the camera module, the control module processes the head image collected by the camera module, and determines that the head state of the passenger is a state of watching the display screen or a state of not watching the display screen.
And S403, controlling the opening or closing of the display screen according to the head state of the passenger.
Specifically, if the head state of the passenger is determined to be the state of not watching the display screen, the control module controls the display screen to be turned on.
In a further technical scheme, the controlling the opening or closing of the display screen comprises: and under the condition that the display screen is closed, and when the time that the passenger is in the state of watching the display screen is longer than the first preset time, the display screen is opened. That is to say, under the condition that the display screen is closed, if the time that the passenger watches the display screen and the passenger is in the state of watching the display screen is longer than a first preset time, the control module controls the display screen to be opened, wherein the first preset time may be 2 s.
In another alternative, the controlling the opening or closing of the display screen includes: and under the condition that the display screen is opened, and when the time that the passenger does not watch the display screen is longer than second preset time, closing the display screen. That is to say, under the condition that the display screen is turned on, if the time that the passenger does not view the display screen and the passenger is in the state of not viewing the display screen is longer than a second preset time, the control module controls the display screen to be turned off, wherein the second preset time may be 3 s.
In an embodiment of the present application, determining a head state of a passenger includes: acquiring target characteristics of passengers in the back row from the head image, and comparing the target characteristics with original coordinates in a calibration mode, wherein the target characteristics comprise three-dimensional coordinates of each characteristic point of a face peripheral outline in the head image; if the similarity between the target characteristics and the original coordinates is larger than a first threshold value, determining that the head state of the passenger is the state of watching the display screen; and if the similarity between the target feature and the original coordinate is smaller than a second threshold value, determining that the head state of the passenger is a state of not watching the display screen. The original coordinates can be three-dimensional coordinates of each feature point of the face peripheral outline when a passenger who is stored in advance in a calibration mode of the vehicle-mounted control system looks at the display screen, and can also be three-dimensional coordinates of each feature point of the face peripheral outline when the passenger who is in the back row of a vehicle using the vehicle-mounted screen control system for the first time enters the calibration mode and looks at the display screen according to operation guidance displayed on the display screen. Under the condition that the original coordinates are stored, the camera module continuously collects head images of the passengers, target characteristics of the passengers in the state are extracted in real time, if the similarity between the target characteristics and the original coordinates is larger than a first threshold value, the head state of the passengers is determined to be the state of watching the screen, if the similarity between the target characteristics and the original coordinates is smaller than a second threshold value, the head state of the passengers is determined to be the state of not watching the screen, and if the similarity between the target characteristics and the original coordinates is between the first threshold value and the second threshold value, the state of the display screen is not changed, and the original state is kept. Specifically, the first threshold may be set to 0.6, and the second threshold may be set to 0.4.
It should be noted that even if the original coordinates are not pre-stored, the system only needs to be calibrated when the system is used for the first time, and the system does not need to be calibrated again when the system is used again later, and only needs to be called in the storage space.
In a further technical solution, the vehicle-mounted screen control method may further include: obtaining the concentration of carbon dioxide in the vehicle; and under the condition that the concentration of the carbon dioxide is greater than the preset concentration value, if the display screen is in an open state, displaying a prompt message for prompting whether a back-row passenger needs to close the display screen. In this application, continuously obtain the concentration of carbon dioxide in the car through carbon dioxide sensor, because the height of carbon dioxide concentration is directly proportional with passenger's fatigue degree, consequently, under the condition that carbon dioxide concentration is greater than preset concentration value, if the display screen is in the on-state, the passenger is comparatively tired at this moment is judged to the system, and the system passes through the suggestion information that whether the back row passenger of control module control display suggestion need close the display screen.
After displaying a prompt message prompting whether a rear passenger needs to close the display screen, the on-board screen control method may further include: when confirmation information indicating that the display screen is not closed is received, the air conditioner fragrance module is controlled to be started; and when receiving confirmation information indicating that the display screen is closed, closing the display screen. Specifically, when the display screen displays prompt information indicating whether a back row passenger needs to close the display screen, the passenger can select to close the display screen or not to close the display screen, when the passenger selects not to close the display screen, the control module controls the air-conditioning fragrance module to be opened when receiving confirmation information indicating not to close the display screen, the fatigue of the passenger is reduced through the air-conditioning fragrance module, and when the passenger selects to close the display screen, the control module controls the display screen to be closed when receiving the confirmation information indicating to close the display screen.
Further, the vehicle-mounted screen control method may further include: when confirmation information indicating that the display screen is not closed is received, playing a target video file through the display screen, wherein the target video file is used for improving the excitement. That is to say, the control module can control the display screen to play some video files capable of improving the excitement of passengers while controlling the air conditioner fragrance module to be started, so that the fatigue of the passengers is reduced.
In this application, before acquiring the captured head image of the passenger in the rear row of the vehicle, the method may further include: the detection by the seat sensor determines that a passenger is seated in the rear row of the vehicle. Specifically, when the seat sensor detects that a passenger sits on the rear row of the vehicle, the camera module starts to work, namely the camera module continuously detects the head image of the passenger on the rear row of the vehicle and transmits the collected head image to the control module, the control module processes the collected head image to determine the head state of the passenger, and then the control module controls the display screen to be opened or closed according to the head state of the passenger.
Optionally, as shown in fig. 5, an electronic device 500 is further provided in this embodiment of the present application, and includes a processor 501, a memory 502, and a program or an instruction stored in the memory 502 and capable of being executed on the processor 501, where the program or the instruction is executed by the processor 501 to implement each process of the above-mentioned depth information obtaining method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
Fig. 6 shows a hardware structure diagram of an electronic device provided in an embodiment of the present application.
The electronic device 600 includes, but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, a processor 610, and the like.
Those skilled in the art will appreciate that the electronic device 600 may further comprise a power source (e.g., a battery) for supplying power to the various components, and the power source may be logically connected to the processor 610 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system. The electronic device structure shown in fig. 6 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description is omitted here.
It is to be understood that, in the embodiment of the present application, the input Unit 604 may include a Graphics Processing Unit (GPU) 6041 and a microphone 6042, and the Graphics Processing Unit 6041 processes image data of a still picture or a video obtained by an image capturing apparatus (such as a camera) in a video capturing mode or an image capturing mode. The display unit 606 may include a display panel 6061, and the display panel 6061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 607 includes a touch panel 6071 and other input devices 6072. A touch panel 6071, also referred to as a touch screen. The touch panel 6071 may include two parts of a touch detection device and a touch controller. Other input devices 6072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
In the embodiment of the present application, the radio frequency unit 601 receives downlink data from a network side device and then processes the downlink data in the processor 610; in addition, the uplink data is sent to the network side equipment. In general, radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
The memory 609 may be used to store software programs or instructions as well as various data. The memory 609 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instruction (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like. Further, the Memory 609 may include a high-speed random access Memory, and may further include a nonvolatile Memory, wherein the nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable Programmable PROM (EPROM), an Electrically Erasable Programmable ROM (EEPROM), or a flash Memory. Such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
The processor 610 is configured to acquire a captured head image of a passenger in a rear row of the vehicle; according to the collected head image, determining the head state of the passenger, wherein the head state comprises the following steps: a state of viewing the display screen or a state of not viewing the display screen; and controlling the opening or closing of the display screen according to the head state of the passenger.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the above-mentioned vehicle-mounted screen control method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or an instruction, to implement each process of the above-mentioned vehicle-mounted screen control method embodiment, and can achieve the same technical effect, and in order to avoid repetition, the description is omitted here.
In the embodiments of the present application, the difference between the embodiments is described in detail, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides an on-vehicle screen control system, its characterized in that, includes module, display screen and the control module of making a video recording, wherein:
the camera module is electrically connected with the control module and is used for collecting head images of passengers on the back row of the vehicle;
the display screen is arranged on the back of a front seat of the vehicle and is electrically connected with the control module;
the control module is configured to determine a head state of the passenger according to the acquired head image, and control the display screen to be turned on or off according to the head state, where the head state includes: a state of viewing the display screen or a state of not viewing the display screen.
2. The in-vehicle screen control system of claim 1,
the system further comprises: a carbon dioxide sensor;
the control module is further used for controlling the display screen to display prompt information for prompting passengers to close the display screen when the carbon dioxide sensor detects that the concentration of the carbon dioxide in the vehicle is greater than a preset concentration value.
3. The in-vehicle screen control system according to claim 2,
the system further comprises: an air-conditioning fragrance module;
the control module is further used for controlling the air conditioner fragrance module to be started when confirmation information indicating that the display screen is not closed is received.
4. The vehicle-mounted screen control system according to any one of claims 1 to 3, further comprising a switch, wherein the switch is arranged on the display screen, and the switch is used for controlling the control module to be in a working state or a non-working state.
5. The on-board screen control system of any one of claims 1 to 3, wherein the control module determines the head state of the passenger from the captured head image, including:
acquiring target features of passengers in a back row from the head image, and comparing the target features with original coordinates in a calibration mode, wherein the target features comprise three-dimensional coordinates of feature points of peripheral outlines of faces in the head image;
if the similarity between the target feature and the original coordinate is larger than a first threshold value, determining that the head state of the passenger is the state of watching the display screen;
and if the similarity between the target feature and the original coordinate is smaller than a second threshold value, determining that the head state of the passenger is a state that the display screen is not watched.
6. An in-vehicle screen control method applied to the in-vehicle screen control system according to any one of claims 1 to 5, characterized by comprising:
acquiring a collected head image of a passenger in a rear row of a vehicle;
determining the head state of the passenger according to the acquired head image, wherein the head state comprises: a state of viewing the display screen or a state of not viewing the display screen;
and controlling the opening or closing of the display screen according to the head state of the passenger.
7. The on-vehicle screen control method according to claim 6, wherein controlling the display screen to be turned on or off includes:
and when the display screen is closed and the time of the passenger in the state of watching the display screen is longer than a first preset time, starting the display screen.
8. The on-vehicle screen control method according to claim 6, wherein controlling the display screen to be turned on or off includes:
and under the condition that the display screen is opened, and when the time that the passenger does not watch the display screen is longer than second preset time, closing the display screen.
9. The on-vehicle screen control method according to any one of claims 6 to 8, wherein determining the head state of the passenger includes:
acquiring target features of passengers in a back row from the head image, and comparing the target features with original coordinates in a calibration mode, wherein the target features comprise three-dimensional coordinates of feature points of peripheral outlines of faces in the head image;
if the similarity between the target feature and the original coordinate is larger than a first threshold value, determining that the head state of the passenger is the state of watching the display screen;
and if the similarity between the target feature and the original coordinate is smaller than a second threshold value, determining that the head state of the passenger is a state that the display screen is not watched.
10. The in-vehicle screen control method according to any one of claims 6 to 9, characterized by further comprising:
obtaining the concentration of carbon dioxide in the vehicle;
and under the condition that the concentration of the carbon dioxide is greater than a preset concentration value, if the display screen is in an open state, displaying a prompt message for prompting whether a back-row passenger needs to close the display screen.
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