CN114523908B - Control method and control device of vehicle-mounted display screen and electronic equipment - Google Patents
Control method and control device of vehicle-mounted display screen and electronic equipment Download PDFInfo
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- CN114523908B CN114523908B CN202210272467.6A CN202210272467A CN114523908B CN 114523908 B CN114523908 B CN 114523908B CN 202210272467 A CN202210272467 A CN 202210272467A CN 114523908 B CN114523908 B CN 114523908B
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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
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/225—Direction of gaze
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The application discloses control method of vehicle-mounted display screen, control device thereof and electronic equipment, wherein the vehicle-mounted display screen comprises a display device and a camera, the display device is provided with a first display area, and the camera is arranged corresponding to the first display area of the display device, and the method comprises the following steps: when the control camera acquires a first driving state image of the driver in real time, the first display area of the display device is controlled not to be displayed, and the first driving state image comprises first eye image information of the driver; identifying a first gaze location of the driver based on the first eye image information; when the first sight line gathering position is on the vehicle-mounted display screen, the camera is controlled to stop working, and the first display area of the display device is controlled to display.
Description
Technical Field
The application relates to the technical field of display, in particular to a control method and device for a vehicle-mounted display screen and electronic equipment.
Background
At present, the vehicle-mounted display device comprises an under-screen camera, and when the under-screen camera and the vehicle-mounted display device work simultaneously corresponding to the display area of the under-screen camera, mutual interference can occur between the under-screen camera and the vehicle-mounted display device.
Therefore, it is necessary to propose a technical solution to solve the problem that the under-screen camera and the on-vehicle display device interfere with each other when they work simultaneously.
Disclosure of Invention
The purpose of the application is to provide a control method of a vehicle-mounted display screen, a control device thereof and electronic equipment, so as to solve the problem that an under-screen camera and the vehicle-mounted display device can interfere with each other when working simultaneously.
In order to achieve the above purpose, the technical scheme is as follows:
a control method of an in-vehicle display screen, the in-vehicle display screen including a display device having a first display area and a camera disposed corresponding to the first display area of the display device, the method comprising:
when the camera is controlled to acquire a first driving state image of a driver in real time, the first display area of the display device is controlled not to be displayed, and the first driving state image comprises first eye image information of the driver;
identifying a first gaze location of the driver based on the first eye image information;
when the first sight line gathering position is on the vehicle-mounted display screen, the camera is controlled to stop working, and the first display area of the display device is controlled to display.
In the above control method for a vehicle-mounted display screen, the method further includes:
when the display duration of the first display area of the display device exceeds the preset threshold duration, the first display area of the display device is controlled not to be displayed, the camera is triggered to collect a second driving state image of the driver, and the second driving state image comprises second eye image information.
In the above control method for a vehicle-mounted display screen, the method further includes:
identifying a second gaze location of the driver based on the second eye image information;
and when the second sight line gathering position is on the vehicle-mounted display screen, controlling to send out alarm information.
In the control method of the vehicle-mounted display screen, the display device comprises a liquid crystal display panel and an annular backlight unit, wherein the annular backlight unit is positioned in the first display area and is arranged on the back of the light emitting surface of the liquid crystal display panel, and the orthographic projection of the annular backlight unit on the liquid crystal display panel surrounds the orthographic projection of the camera on the liquid crystal display panel;
the controlling the first display area display of the display device includes: controlling the annular backlight unit to be in an on state;
the controlling the first display area of the display device not to display includes: the annular backlight unit is controlled to be in an off state.
In the above control method for a vehicle-mounted display screen, the display device further has a second display area located outside the first display area, and the method further includes:
when the camera is controlled to acquire a first driving state image of a driver, controlling the second display area of the display device to display;
and when the first sight line gathering position is on the vehicle-mounted display screen, controlling the second display area of the display device to display.
In the above control method for a vehicle-mounted display screen, the display device further includes a backlight module, the backlight module is located in the second display area and is located at a back surface of the light emitting surface of the liquid crystal display panel, and the controlling the second display area of the display device includes:
and controlling the backlight module to be in an on state.
A control device for an in-vehicle display screen, the in-vehicle display screen including a display device having a first display area and a camera disposed corresponding to the first display area of the display device, the control device comprising:
the control module is used for controlling the first display area of the display device not to be displayed when controlling the camera to acquire a first driving state image of the driver in real time, wherein the first driving state image comprises first eye image information of the driver; the control module is also used for controlling the camera to stop working and controlling the first display area of the display device to display when the first sight line gathering position is on the vehicle-mounted display screen; and
and the identification module is used for identifying a first sight line gathering position of the driver according to the first eye image information.
In the control device of the vehicle-mounted display screen, the control module is further configured to control the first display area of the display device to be not displayed and trigger the camera to collect a second driving state image of the driver when the display duration of the first display area of the display device exceeds a preset threshold duration, wherein the second driving state image comprises second eye image information.
In the control device of the vehicle-mounted display screen, the identification module is further used for identifying a second sight line gathering position of the driver according to the second eye image information;
the control module is also used for controlling to send out alarm information when the second sight line gathering position is on the vehicle-mounted display screen.
An electronic device, the electronic device comprising:
one or more processors;
a memory for storing executable instructions;
wherein one or more of the processors are configured to invoke the executable instructions of the memory to perform the above-described method.
The beneficial effects are that: the application discloses a control method, a control device and electronic equipment of a vehicle-mounted display screen, wherein when a control camera acquires a first driving state image of a driver in real time, a first display area of the control display device is not displayed, and the first driving state image comprises first eye image information of the driver; identifying a first gaze location of the driver based on the first eye image information; when the first sight line gathering position is on the vehicle-mounted display screen, the camera is controlled to stop working, and the first display area of the display device is controlled to display, so that the first display area of the display device is displayed when the sight line of a driver is gathered on the display device, the camera does not work, and when the camera acquires driving images of the driver in real time, the first display area of the display device is not displayed, and the mutual interference caused by synchronous progress of the display of the first display area of the display device and the acquisition images of the camera is avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of a vehicle-mounted display screen according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a first control method of the vehicle-mounted display screen according to the embodiment of the application;
fig. 3 is a second flowchart of a control method of the vehicle-mounted display screen according to the embodiment of the present application;
fig. 4 is a third flowchart of a control method of the vehicle-mounted display screen according to the embodiment of the present application;
fig. 5 is a schematic diagram of a control device of the vehicle-mounted display screen according to 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. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Please refer to fig. 1, which is a schematic cross-sectional view of a vehicle-mounted display screen according to an embodiment of the present application. The in-vehicle display 100 is applied to an instrument display. It is understood that the in-vehicle display 100 may also be applied to a head-up display or a center-control display.
The vehicle-mounted display screen 100 includes a display device 10 and a camera 20, wherein the display device 10 has a first display area 10a and a second display area 10b, the second display area 10b is located at the periphery of the first display area 10a, and the camera 20 is located at the first display area 10a of the display device 10 and is disposed at the back of the light-emitting surface of the display device 10.
The area of the first display area 10a is smaller than the area of the second display area 10 b. The first display area 10a serves as an auxiliary display area, and the second display area 10b serves as a main display area.
The display device 10 is a liquid crystal display device, and the display device 10 includes a liquid crystal display panel 101, a backlight module 103, and a ring-shaped backlight unit 102. It is understood that the display device 10 may be one of an organic light emitting diode display panel, a micro light emitting diode display panel, or a sub-millimeter light emitting diode display panel.
The annular backlight unit 102 is used to backlight the first display area 10 a. The annular backlight unit 102 is located in the first display area 10a and is disposed at the back of the light emitting surface of the liquid crystal display panel 101, and the front projection of the annular backlight unit 102 on the liquid crystal display panel 101 surrounds the front projection of the camera 20 on the liquid crystal display panel 101. After the light emitted from the annular backlight unit 102 passes through the liquid crystal display panel 101, the first display area 10a of the display device 10 displays.
The backlight module 103 is configured to provide backlight for the second display area 10 b. The backlight module 103 is located in the second display area 10b and is located at the back of the light emitting surface of the liquid crystal display panel 101. After the light emitted by the backlight module 103 passes through the liquid crystal display panel 101, the second display area 10b of the display device 10 displays the light.
When the first display area 10a of the display device 10 and the second display area 10b of the display device are displayed simultaneously, the display device 10 realizes full screen display, which is beneficial to improving the display experience of the driver for watching the vehicle-mounted display screen.
The camera 20 comprises an active infrared sensing assembly, the active infrared sensing assembly comprises an infrared emitter and an infrared receiver, the infrared emitter emits infrared light with the wavelength of 930 nanometers to 950 nanometers to an imaging target, and the infrared light emitted by the infrared emitter is reflected by the imaging target and then received by the red receiver for imaging.
When the first display area 10a of the display device 10 is used, the wavelength of the light emitted from the first display area 10a of the display device 10 is different from the wavelength of the infrared light emitted from the infrared emitter, and the two operate simultaneously, which may interfere with each other and affect the display effect and the imaging effect of the display device 10.
In view of the problem, the first display area of the display device is used for displaying when the sight of a driver is gathered on the display device, and the camera does not work; when the camera acquires driving images of a driver in real time, the first display area of the display device is not displayed, and mutual interference caused by synchronous progress of display of the first display area of the display device and the images acquired by the camera is avoided.
Fig. 2 is a schematic flow chart of a control method of the vehicle-mounted display screen according to an embodiment of the disclosure. The control method of the vehicle-mounted display screen shown in fig. 2 comprises the following steps:
s100: when the control camera acquires a first driving state image of the driver in real time, the first display area of the control display device is not displayed, and the first driving state image comprises first eye image information of the driver.
In this embodiment, when the vehicle is in a driving state, the control camera 20 captures a first driving state image of the driver in real time to monitor the driving behavior and physiological state of the driver during driving, and when the driver is tired, distracted, calls, smoked, unbelted and other dangerous situations, the system alarms within a set time to avoid accidents. Meanwhile, the annular backlight unit 102 is controlled to be in an off state, so that the first display area 10a of the display device 10 is controlled not to display, and light emitted during display of the first display area 10a of the display device 10 is prevented from interfering with infrared light emitted and received by the camera 20, so that the imaging effect of the camera 20 is further affected.
Wherein the first driving state image includes first eye image information of the driver and spatial position information of the driver in the vehicle. It is to be understood that the first driving state image may also include facial image information, hand motion information, and the like of the driver.
It should be noted that, when the control camera 20 collects the first driving state image of the driver in real time, the backlight module 103 is controlled to be in an on state, so as to control the second display area 10b of the display device 10 to display the key information, and ensure that the vehicle-mounted display screen 100 can continuously display the key information.
S101: a first gaze location of the driver is identified based on the first eye image information.
In the present embodiment, the first sight line gathering position of the driver is identified based on the first eye image information of the driver and the spatial position information of the driver in the vehicle.
S102: when the first sight line gathering position is on the vehicle-mounted display screen, the camera is controlled to stop working, and the first display area of the display device is controlled to display.
In this embodiment, when the first sight line gathering position is on the vehicle-mounted display screen 100, the annular backlight unit 102 is controlled to switch from the off state to the on state, so as to control the first display area 10a of the display device 10 to display, and the backlight module 103 is controlled to be in the on state to control the second display area 10b of the display device 10 to display, so that the display device 10 is ensured to perform the full screen display, and the experience of the driver for watching the vehicle-mounted display screen 100 is improved. At the same time, the camera 20 is controlled to stop working so as to avoid that the infrared light emitted and received by the camera 20 affects the display effect of the first display area 10a of the display device 10.
When the first sight line gathering location is not on the in-vehicle display screen 100, the control camera continues to acquire the first driving state image of the driver in real time.
Fig. 3 is a schematic flow chart of a second method for controlling a vehicle-mounted display screen according to an embodiment of the disclosure. The control method of the vehicle-mounted display screen shown in fig. 3 is basically similar to the control method of the vehicle-mounted display screen shown in fig. 2, except that the control method of the vehicle-mounted display screen shown in fig. 3 further includes:
step S103: when the display time of the first display area of the display device exceeds the preset threshold time, the first display area of the display device is controlled not to be displayed, and the camera is triggered to collect a second driving state image of the driver, wherein the second driving state image comprises second eye image information.
The preset threshold time is a distraction driving time, so as to avoid the influence of the distraction of the driver when watching the display device 10 for too long. The preset threshold duration may be 30 seconds to 1 minute.
The second driving state image includes second eye image information and spatial position information of the driver in the vehicle.
In this embodiment, when the display duration of the first display area 10a of the display device 10 exceeds the preset threshold duration, the first display area 10a of the display device 10 is controlled to be not displayed, and the inactive camera 20 is triggered to start to work, so as to collect the second driving state image of the driver when the first display area 10a is not displayed, further monitor the driving behavior of the driver continuously, and avoid the influence on the imaging effect of the camera 20 due to the display of the first display area 10a of the display device.
Fig. 4 is a schematic flow chart of a third method for controlling a vehicle-mounted display screen according to an embodiment of the disclosure. The control method of the vehicle-mounted display screen shown in fig. 4 is basically similar to the control method of the vehicle-mounted display screen shown in fig. 3, except that the control method of the vehicle-mounted display screen shown in fig. 4 further includes:
step S104: a second gaze aggregation location of the driver is identified based on the second eye image information.
In the present embodiment, the second sight line gathering position of the driver is identified based on the second eye image information and the spatial position information of the driver in the vehicle.
Step S105: and when the second sight line gathering position is on the vehicle-mounted display screen, controlling to send out alarm information.
The alarm information may be an alarm icon displayed in the second display area 10b of the display device 10, or may be language alarm information sent out by the display device 10.
In the present embodiment, when the second sight line gathering position is on the in-vehicle display screen, the display device is controlled to issue warning information to normalize the driving behavior of the driver.
Fig. 5 is a schematic frame diagram of a control device for implementing the vehicle-mounted display screen of the present application. The control device 30 of the vehicle-mounted display screen comprises a control module 301 and an identification module 302.
In this embodiment, when the control camera 20 acquires the first driving state image of the driver in real time, the control module 301 controls the first display area 10a of the display device to be not displayed, and the first driving state image includes the first eye image information of the driver; the control module 301 is further configured to control the camera 20 to stop working and control the first display area 10a of the display device 10 to display when the first sight line gathering location is on the vehicle-mounted display 100.
The control module 301 controls the annular backlight unit 102 to be in an off state, and further controls the first display area 10a of the display device 10 to not display. The control module 301 controls the annular backlight unit 102 to be in an on state, and further controls the first display area 10a of the display device 10 to display.
It should be noted that, when the control module 301 controls the first driving state image of the driver of the camera 20 and when the first sight line gathering position is on the in-vehicle display screen 100, the control module 301 controls the second display area 10b of the display device 10 to be displayed.
In the present embodiment, the identification module 302 is configured to identify a first sight line gathering position of the driver based on the first eye image information.
In this embodiment, the control module 301 is further configured to, when the display duration of the first display area 10a of the display device 10 exceeds the preset threshold duration, control the first display area 10a of the display device 10 not to display, and trigger the camera 20 to collect a second driving state image of the driver, where the second driving state image includes second eye image information.
In the present embodiment, the identifying module 302 is further configured to identify a second sight line gathering location of the driver according to the second eye image information; the control module 301 is further configured to control to issue an alarm message when the second sight line gathering location is on the vehicle-mounted display screen.
The application also provides electronic equipment, which comprises one or more processors and a memory for storing executable instructions, wherein the one or more processors are configured to call the executable instructions of the memory to execute the control method of the vehicle-mounted display screen.
The above description of the embodiments is only for helping to understand the technical solution of the present application and its core ideas; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (6)
1. A control method of a vehicle-mounted display screen, wherein the vehicle-mounted display screen includes a display device and a camera, the display device has a first display area, and the camera is disposed corresponding to the first display area of the display device, the method includes:
when the camera is controlled to acquire a first driving state image of a driver in real time, the first display area of the display device is controlled not to be displayed, and the first driving state image comprises first eye image information of the driver;
identifying a first gaze location of the driver based on the first eye image information;
when the first sight line gathering position is on the vehicle-mounted display screen, controlling the camera to stop working, and controlling the first display area of the display device to display;
when the display time length of the first display area of the display device exceeds the preset threshold time length, the first display area of the display device is controlled not to be displayed, and the camera is triggered to collect a second driving state image of the driver, wherein the second driving state image comprises second eye image information;
identifying a second gaze location of the driver based on the second eye image information; and
and when the second sight line gathering position is on the vehicle-mounted display screen, controlling to send out alarm information.
2. The control method of the vehicle-mounted display screen according to claim 1, wherein the display device includes a liquid crystal display panel and an annular backlight unit, the annular backlight unit overlaps with the first display region and is disposed on a back surface of a light-emitting surface of the liquid crystal display panel, and an orthographic projection of the annular backlight unit on the liquid crystal display panel surrounds an orthographic projection of the camera on the liquid crystal display panel;
the controlling the first display area display of the display device includes: controlling the annular backlight unit to be in an on state;
the controlling the first display area of the display device not to display includes: the annular backlight unit is controlled to be in an off state.
3. The control method of an in-vehicle display screen according to claim 2, wherein the display device further has a second display area located outside the first display area, the method further comprising:
when the camera is controlled to acquire a first driving state image of a driver, controlling the second display area of the display device to display;
and when the first sight line gathering position is on the vehicle-mounted display screen, controlling the second display area of the display device to display.
4. The control method of the vehicle-mounted display screen according to claim 3, wherein the display device further includes a backlight module, the backlight module overlaps the second display area and is located at a back surface of the light emitting surface of the liquid crystal display panel, and the controlling the second display area of the display device includes:
and controlling the backlight module to be in an on state.
5. A control device for a vehicle-mounted display screen, wherein the vehicle-mounted display screen includes a display device and a camera, the display device has a first display area, the camera is disposed corresponding to the first display area of the display device, the control device includes:
the control module is used for controlling the first display area of the display device not to be displayed when controlling the camera to acquire a first driving state image of the driver in real time, wherein the first driving state image comprises first eye image information of the driver; the control module is also used for controlling the camera to stop working and controlling the first display area of the display device to display when the first sight line gathering position is on the vehicle-mounted display screen; the control module is further used for controlling the first display area of the display device to be not displayed when the display duration of the first display area of the display device exceeds a preset threshold duration, triggering the camera to collect a second driving state image of a driver, wherein the second driving state image comprises second eye image information, and controlling to send out alarm information when a second sight line gathering position is on the vehicle-mounted display screen; and
the identification module is used for identifying a first sight line gathering position of the driver according to the first eye image information and identifying the second sight line gathering position of the driver according to the second eye image information.
6. An electronic device, the electronic device comprising:
one or more processors;
a memory for storing executable instructions; and
wherein one or more of the processors are configured to invoke the executable instructions of the memory to perform the control method of the in-vehicle display screen of any of claims 1-4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210272467.6A CN114523908B (en) | 2022-03-18 | 2022-03-18 | Control method and control device of vehicle-mounted display screen and electronic equipment |
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| CN202210272467.6A CN114523908B (en) | 2022-03-18 | 2022-03-18 | Control method and control device of vehicle-mounted display screen and electronic equipment |
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| CN114523908B true CN114523908B (en) | 2023-06-02 |
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| CN114523908A (en) | 2022-05-24 |
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