CN-119516964-B - Vehicle-mounted liquid crystal display brightness adjusting method, device, equipment and medium

CN119516964BCN 119516964 BCN119516964 BCN 119516964BCN-119516964-B

Abstract

The invention discloses a vehicle-mounted liquid crystal display brightness adjusting method, device, equipment and medium. The method comprises the steps of obtaining real-time speed, driving duration, driver age and real-time brightness value of a vehicle-mounted liquid crystal screen of a vehicle to be regulated, calculating to obtain the brightness value to be regulated of the vehicle-mounted liquid crystal screen according to the real-time speed, the driving duration and the driver age of the vehicle to be regulated, calculating to obtain brightness regulation proportion according to the brightness value to be regulated and the real-time brightness value, determining the brightness regulation value of the vehicle-mounted liquid crystal screen according to the brightness regulation proportion, and regulating the brightness of the vehicle-mounted liquid crystal screen according to the brightness regulation value. The embodiment of the invention can improve the accuracy of the brightness adjustment of the vehicle-mounted liquid crystal display.

Inventors

XIE LIANGHUI
ZHANG ZHIXIN
XUE LIDA
LU JING

Assignees

一汽解放汽车有限公司

Dates

Publication Date: 20260508
Application Date: 20241112

Claims (11)

1. The method for adjusting the brightness of the vehicle-mounted liquid crystal display is characterized by comprising the following steps of: acquiring a real-time speed, driving time, age of a driver and a real-time brightness value of a vehicle-mounted liquid crystal screen of a vehicle to be regulated; acquiring a brightness conversion coefficient of the vehicle-mounted liquid crystal screen; Calculating to obtain a driving state compensation value of the vehicle-mounted liquid crystal screen according to the real-time speed and the driving duration of the vehicle to be regulated; Calculating a driving age compensation value of the vehicle-mounted liquid crystal screen according to the age of the driver of the vehicle to be regulated; Acquiring ambient light data of a light sensor of the vehicle to be regulated; according to the ambient light data of the light sensor, obtaining an ambient brightness compensation value of the vehicle-mounted liquid crystal screen; Calculating to obtain a brightness value to be adjusted of the vehicle-mounted liquid crystal screen according to the brightness conversion coefficient, the driving state compensation value, the driving age compensation value and the environment brightness compensation value of the vehicle-mounted liquid crystal screen, wherein the calculation formula of the brightness value to be adjusted W of the vehicle-mounted liquid crystal screen is W= (xs+xi+Xb) A, xs is the driving state compensation value, xi is the driving age compensation value, xb is the environment brightness compensation value, and A is the brightness conversion coefficient of the vehicle-mounted liquid crystal screen; calculating according to the brightness value to be regulated and the real-time brightness value to obtain a brightness regulation proportion; And determining a brightness adjusting value of the vehicle-mounted liquid crystal screen according to the brightness adjusting proportion, and adjusting the brightness of the vehicle-mounted liquid crystal screen according to the brightness adjusting value.
2. The method according to claim 1, wherein the calculating the driving state compensation value of the vehicle-mounted liquid crystal screen according to the real-time speed and the driving duration of the vehicle to be adjusted includes: Acquiring a real-time brightness value, a vehicle speed conversion coefficient, a time length conversion coefficient, a vehicle speed setting constant and a time length setting constant of the vehicle-mounted liquid crystal screen, wherein the vehicle speed conversion coefficient is corresponding relation data of a real-time vehicle speed and a driving state compensation value of a vehicle to be regulated; Calculating to obtain an initial state compensation value of the vehicle-mounted liquid crystal screen according to the vehicle speed conversion coefficient, the time length conversion coefficient, the vehicle speed setting constant, the time length setting constant, the real-time vehicle speed of the vehicle to be regulated and the driving time length, wherein a calculation formula of the initial state compensation value of the vehicle-mounted liquid crystal screen is as follows: C is an initial state compensation value, T is driving duration, and S is the real-time speed of the vehicle to be regulated; S1 is a vehicle speed conversion coefficient, T1 is a duration conversion coefficient, ns is a vehicle speed setting constant, and Nt is a duration setting constant; calculating to obtain an initial state compensation proportion according to the real-time brightness value of the vehicle-mounted liquid crystal screen and the initial state compensation value of the vehicle-mounted liquid crystal screen; acquiring a preset state compensation proportion; comparing the initial state compensation proportion with the preset state compensation proportion to obtain a state comparison result; And determining a driving state compensation value of the vehicle-mounted liquid crystal screen according to the state comparison result.
3. The method according to claim 2, wherein determining the driving state compensation value of the vehicle-mounted liquid crystal screen according to the state comparison result includes: if the state comparison result shows that the initial state compensation proportion is larger than or equal to the preset state compensation proportion, calculating a driving state compensation value of the vehicle-mounted liquid crystal screen according to the preset state compensation proportion; And if the state comparison result is that the initial state compensation proportion is smaller than the preset state compensation proportion, calculating a driving state compensation value of the vehicle-mounted liquid crystal screen according to the initial state compensation proportion.
4. The method according to claim 1, wherein the calculating the driving age compensation value of the vehicle-mounted liquid crystal screen according to the driver age of the vehicle to be adjusted includes: Acquiring driving seat sensing data; acquiring at least one driver face image of the vehicle to be adjusted according to the driving seat sensing data; processing each driver face image to obtain the current age of the driver; Obtaining an age compensation base, an average service life of a driver and a service life conversion coefficient, wherein the age compensation base is the age of a preset driver, and the service life conversion coefficient is the corresponding relation between the current age of the driver and a driving age compensation value; Calculating a driving age compensation value of the vehicle-mounted liquid crystal screen according to the age compensation base number, the average service life of the driver, the service life conversion coefficient and the current age of the driver, wherein a calculation formula of the driving age compensation value of the vehicle-mounted liquid crystal screen is as follows: Lb is the age compensation base, le is the driver average life, T2 is the life conversion factor, and L1 is the current driver age.
5. The method of claim 4, wherein said processing each of said driver face images to obtain a current driver age comprises: identifying each driver face image to obtain at least one driver identification age; searching in the identified ages of the drivers to obtain an age maximum value and an age minimum value; and averaging all the driver identification ages except the maximum age value and the minimum age value in all the driver identification ages to obtain the current driver age.
6. The method according to claim 1, wherein the determining the brightness adjustment value of the vehicle-mounted liquid crystal screen according to the brightness adjustment ratio includes: acquiring a preset brightness value and a preset brightness proportion threshold value; Comparing the brightness adjustment proportion with the preset brightness proportion threshold value to obtain a brightness proportion comparison result; If the brightness proportion comparison result shows that the brightness adjustment proportion is greater than or equal to the preset brightness proportion threshold value, the preset brightness value is used as the brightness adjustment value of the vehicle-mounted liquid crystal screen; And if the brightness proportion comparison result shows that the brightness adjustment proportion is smaller than the preset brightness proportion threshold value, taking the brightness value to be adjusted as the brightness adjustment value of the vehicle-mounted liquid crystal screen.
7. The method of claim 1, wherein adjusting the brightness of the vehicle-mounted liquid crystal screen according to the brightness adjustment value comprises: acquiring at least one brightness proportion range and an adjusting step length and a step length time corresponding to each brightness proportion range; comparing the brightness adjustment proportion with each brightness proportion range to obtain a target brightness range; determining a target adjustment step length and a target step length time according to the target brightness range; And adjusting the brightness of the vehicle-mounted liquid crystal screen according to the target adjusting step length and the target step length time until the brightness of the vehicle-mounted liquid crystal screen is adjusted to the brightness adjusting value.
8. The method of claim 4, wherein the acquiring at least one driver facial image of the vehicle to be adjusted from the driver seat sensor data comprises: Determining an image acquisition time according to the driving seat sensing data; acquiring preset acquisition times and image acquisition interval time; and acquiring at least one driver face image of the vehicle to be regulated according to the image acquisition interval time and the preset acquisition times from the image acquisition time.
9. An in-vehicle liquid crystal display luminance adjustment device for performing the in-vehicle liquid crystal display luminance adjustment method according to any one of claims 1 to 8, characterized by comprising: The data acquisition module is used for acquiring the real-time speed, driving duration, age of a driver and the real-time brightness value of the vehicle-mounted liquid crystal screen of the vehicle to be regulated; the brightness value calculation module is used for calculating the brightness value to be adjusted of the vehicle-mounted liquid crystal screen according to the real-time speed, the driving duration and the age of the driver of the vehicle to be adjusted; the adjusting proportion calculating module is used for calculating to obtain a brightness adjusting proportion according to the brightness value to be adjusted and the real-time brightness value; and the brightness adjusting module is used for determining the brightness adjusting value of the vehicle-mounted liquid crystal screen according to the brightness adjusting proportion and adjusting the brightness of the vehicle-mounted liquid crystal screen according to the brightness adjusting value.
10. The utility model provides a on-vehicle LCD screen brightness adjustment equipment which characterized in that, on-vehicle LCD screen brightness adjustment equipment includes: At least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the in-vehicle liquid crystal display luminance adjustment method according to any one of claims 1 to 8.
11. A computer readable storage medium, wherein the computer readable storage medium stores computer instructions for causing a processor to execute the method for adjusting the brightness of the vehicle-mounted liquid crystal display according to any one of claims 1 to 8.

Description

Vehicle-mounted liquid crystal display brightness adjusting method, device, equipment and medium Technical Field The present invention relates to the field of data processing technologies, and in particular, to a method, an apparatus, a device, and a medium for adjusting brightness of a vehicle-mounted liquid crystal display. Background Along with rapid development of technology, the variety of vehicles is gradually increased, a vehicle-mounted liquid crystal screen is arranged on the vehicle, and a driver can observe vehicle driving data through the vehicle-mounted liquid crystal screen. The brightness of the vehicle-mounted liquid crystal screen needs to be adjusted in different vehicle running environments. Currently, brightness adjustment of a vehicle-mounted liquid crystal screen is performed through ambient light intensity. However, the adjustment result is not accurate enough by adjusting the brightness of the vehicle-mounted liquid crystal screen according to the ambient light intensity only, and the adjustment brightness does not necessarily meet the driving requirement of the driver. Disclosure of Invention The invention provides a method, a device, equipment and a medium for adjusting the brightness of a vehicle-mounted liquid crystal screen so as to improve the accuracy of adjusting the brightness of the vehicle-mounted liquid crystal screen. In a first aspect, an embodiment of the present invention provides a method for adjusting brightness of a vehicle-mounted liquid crystal display, where the method includes: Acquiring a real-time speed, a driving time length, a driver age and a real-time brightness value of a vehicle-mounted liquid crystal screen of the vehicle to be regulated; Calculating to-be-adjusted brightness value of the vehicle-mounted liquid crystal screen according to the real-time speed, the driving duration and the age of a driver of the to-be-adjusted vehicle; Calculating according to the brightness value to be regulated and the real-time brightness value to obtain a brightness regulation proportion; And determining a brightness adjusting value of the vehicle-mounted liquid crystal screen according to the brightness adjusting proportion, and adjusting the brightness of the vehicle-mounted liquid crystal screen according to the brightness adjusting value. In a second aspect, an embodiment of the present invention further provides a device for adjusting brightness of a vehicle-mounted liquid crystal display, where the device includes: The data acquisition module is used for acquiring the real-time speed, driving duration, age of a driver and real-time brightness value of a vehicle-mounted liquid crystal screen of the vehicle to be regulated; The brightness value calculation module is used for calculating to-be-adjusted brightness values of the vehicle-mounted liquid crystal screen according to the real-time speed, the driving duration and the age of the driver of the vehicle to be adjusted; the adjusting proportion calculating module is used for calculating to obtain a brightness adjusting proportion according to the brightness value to be adjusted and the real-time brightness value; and the brightness adjusting module is used for determining the brightness adjusting value of the vehicle-mounted liquid crystal screen according to the brightness adjusting proportion and adjusting the brightness of the vehicle-mounted liquid crystal screen according to the brightness adjusting value. In a third aspect, an embodiment of the present invention further provides a vehicle-mounted liquid crystal display luminance adjustment device, where the vehicle-mounted liquid crystal display luminance adjustment device includes: At least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the vehicle-mounted liquid crystal display brightness adjustment method of any one of the embodiments of the present invention. According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to execute the method for adjusting brightness of an on-vehicle liquid crystal display according to any one of the embodiments of the present invention. According to the technical scheme, the real-time speed, the driving time, the age of the driver and the real-time brightness value of the vehicle-mounted liquid crystal screen of the vehicle to be regulated are obtained, the brightness value to be regulated of the vehicle-mounted liquid crystal screen is obtained through calculation according to the real-time speed, the driving time and the age of the driver of the vehicle to be regulated, the brightness regulation proportion is obtained through calculation according to the brightness value to be regulated and the real-time brightness value, the brightness regulation va