A vehicle-mounted liquid crystal screen brightness adjusting method, device, equipment and medium

Abstract

The application discloses a kind of vehicle-mounted liquid crystal screen brightness adjusting method, device, equipment and medium.The method comprises: obtaining the real-time vehicle speed of vehicle to be adjusted, driving time length, driver age and the real-time brightness value of vehicle-mounted liquid crystal screen of vehicle to be adjusted;According to the real-time vehicle speed of vehicle to be adjusted, driving time length and driver age, the brightness value to be adjusted of vehicle-mounted liquid crystal screen is calculated;According to the brightness value to be adjusted and real-time brightness value, brightness adjustment ratio is calculated;According to brightness adjustment ratio, the brightness adjustment value of vehicle-mounted liquid crystal screen is determined, and the brightness of vehicle-mounted liquid crystal screen is adjusted according to brightness adjustment value.The application embodiment can improve the accuracy of vehicle-mounted liquid crystal screen brightness adjustment.

Description

Technical Field

[0001] This invention relates to the field of data processing technology, and in particular to a method, apparatus, device, and medium for adjusting the brightness of an in-vehicle LCD screen. Background Technology

[0002] With the rapid development of technology, the types of vehicles are gradually increasing, and vehicles are equipped with in-vehicle LCD screens, which drivers can use to observe vehicle driving data. The brightness of the in-vehicle LCD screen needs to be adjusted according to different vehicle operating environments.

[0003] Currently, the brightness of in-vehicle LCD screens is adjusted based on ambient light intensity.

[0004] However, adjusting the brightness of the in-vehicle LCD screen solely based on ambient light intensity is not accurate enough, and the adjusted brightness may not meet the driver's driving needs. Summary of the Invention

[0005] This invention provides a method, apparatus, device, and medium for adjusting the brightness of an in-vehicle LCD screen, in order to improve the accuracy of brightness adjustment of the in-vehicle LCD screen.

[0006] In a first aspect, embodiments of the present invention provide a method for adjusting the brightness of an in-vehicle LCD screen, the method comprising:

[0007] Obtain the real-time vehicle speed, driving duration, driver age, and real-time brightness value of the vehicle's LCD screen to be adjusted;

[0008] The brightness value to be adjusted for the in-vehicle LCD screen is calculated based on the real-time speed of the vehicle, driving time, and driver's age.

[0009] The brightness adjustment ratio is calculated based on the brightness value to be adjusted and the real-time brightness value.

[0010] The brightness adjustment value of the in-vehicle LCD screen is determined according to the brightness adjustment ratio, and the brightness of the in-vehicle LCD screen is adjusted according to the brightness adjustment value.

[0011] Secondly, embodiments of the present invention also provide a vehicle-mounted LCD screen brightness adjustment device, the device comprising:

[0012] The data acquisition module is used to acquire the real-time vehicle speed, driving time, driver age, and real-time brightness value of the vehicle's LCD screen.

[0013] The brightness value calculation module is used to calculate the brightness value of the in-vehicle LCD screen to be adjusted based on the real-time speed of the vehicle, driving time and driver age.

[0014] The adjustment ratio calculation module is used to calculate the brightness adjustment ratio based on the brightness value to be adjusted and the real-time brightness value.

[0015] The brightness adjustment module is used to determine the brightness adjustment value of the vehicle LCD screen according to the brightness adjustment ratio, and adjust the brightness of the vehicle LCD screen according to the brightness adjustment value.

[0016] Thirdly, embodiments of the present invention also provide a vehicle-mounted LCD screen brightness adjustment device, the vehicle-mounted LCD screen brightness adjustment device comprising:

[0017] At least one processor; and

[0018] A memory that is communicatively connected to at least one processor; wherein,

[0019] The memory stores a computer program that can be executed by at least one processor, such that the at least one processor is able to perform the vehicle LCD screen brightness adjustment method according to any embodiment of the present invention.

[0020] According to another aspect of the present invention, a computer-readable storage medium is provided, which stores computer instructions for causing a processor to execute and implement the vehicle-mounted LCD screen brightness adjustment method of any embodiment of the present invention.

[0021] The technical solution of this invention obtains the real-time vehicle speed, driving time, driver age, and real-time brightness value of the vehicle's LCD screen; calculates the brightness value to be adjusted for the LCD screen based on the real-time vehicle speed, driving time, and driver age; calculates the brightness adjustment ratio based on the brightness value to be adjusted and the real-time brightness value; determines the brightness adjustment value of the LCD screen based on the brightness adjustment ratio; and adjusts the brightness of the LCD screen based on the brightness adjustment value. By adjusting the brightness of the LCD screen through multi-dimensional data analysis, the accuracy of the brightness adjustment of the LCD screen is improved.

[0022] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of the present invention, nor is it intended to limit the scope of the invention. Other features of the invention will become readily apparent from the following description. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a flowchart of a method for adjusting the brightness of an in-vehicle LCD screen according to Embodiment 1 of the present invention;

[0025] Figure 2 This is a flowchart of a method for adjusting the brightness of an in-vehicle LCD screen according to Embodiment 2 of the present invention;

[0026] Figure 3 This is a structural diagram of a vehicle-mounted LCD screen brightness adjustment device according to an embodiment of the present invention;

[0027] Figure 4 This is a structural schematic diagram of a vehicle-mounted LCD screen brightness adjustment device provided in an embodiment of the present invention. Detailed Implementation

[0028] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0029] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0030] The acquisition, storage, and application of real-time vehicle speed and other data in the technical solutions of this invention comply with relevant laws and regulations and do not violate public order and good morals.

[0031] Example 1

[0032] Figure 1 This is a flowchart illustrating a method for adjusting the brightness of an in-vehicle LCD screen according to Embodiment 1 of the present invention. This embodiment of the invention is applicable to situations involving adjusting the brightness of an in-vehicle LCD screen. The method can be executed by an in-vehicle LCD screen brightness adjustment device, which can be implemented in hardware and / or software.

[0033] See Figure 1 The method for adjusting the brightness of the in-vehicle LCD screen shown includes:

[0034] S101. Obtain the real-time vehicle speed, driving time, driver age, and real-time brightness value of the vehicle's LCD screen to be adjusted.

[0035] The vehicle to be adjusted can be the vehicle whose brightness of the in-vehicle LCD screen is to be adjusted. Real-time vehicle speed can be the speed of the vehicle to be adjusted when the brightness of the in-vehicle LCD screen is to be adjusted. Driving duration can be the length of time the vehicle to be adjusted has been in operation. Driver age can be the age of the driver of the vehicle to be adjusted. Real-time brightness value can be the brightness of the in-vehicle LCD screen when the brightness of the in-vehicle LCD screen of the vehicle to be adjusted is being adjusted.

[0036] Specifically, many factors affect the brightness of an in-vehicle LCD screen. The brightness of the screen in the vehicle to be adjusted can be analyzed based on the degree of influence of each factor. For example, factors affecting the brightness of the in-vehicle LCD screen could include the vehicle's real-time speed, driving duration, and driver's age. By analyzing the vehicle's real-time speed, driving duration, and driver's age, the real-time brightness value of the in-vehicle LCD screen can be adjusted to a value that matches the driver's real-time driving conditions.

[0037] S102. Calculate the brightness value to be adjusted for the vehicle LCD screen based on the real-time speed of the vehicle to be adjusted, driving time, and driver's age.

[0038] The brightness value to be adjusted can be the brightness value to which the brightness of the vehicle's LCD screen is to be adjusted.

[0039] Specifically, when the vehicle is traveling at high speeds, the driver needs to concentrate and will spend less time observing the information displayed on the in-vehicle LCD screen. Therefore, the brightness of the LCD screen can be adjusted to a lower level to save energy. Simultaneously, drivers experience visual fatigue during high-speed driving and have reduced tolerance to strong light, thus requiring adjustment of the LCD screen brightness. Prolonged driving time also leads to visual fatigue, necessitating brightness adjustment. Furthermore, as drivers age, their vision gradually declines, requiring adjustments to the LCD screen brightness accordingly. The desired brightness value for adjustment can be calculated by analyzing the combined effects of real-time vehicle speed, driving duration, and driver age.

[0040] S103. Calculate the brightness adjustment ratio based on the brightness value to be adjusted and the real-time brightness value.

[0041] The brightness adjustment ratio can be the ratio of the brightness adjusted to the real-time brightness value to the real-time brightness value.

[0042] Specifically, by calculating the difference between the brightness value to be adjusted and the real-time brightness value, the required brightness adjustment value can be obtained. By calculating the ratio of this difference to the real-time brightness value, the brightness adjustment ratio can be obtained, which in turn can be obtained as the proportion of the brightness value to be adjusted relative to the real-time brightness value, thus determining the degree of adjustment required to the real-time brightness value.

[0043] S104. Determine the brightness adjustment value of the vehicle LCD screen according to the brightness adjustment ratio, and adjust the brightness of the vehicle LCD screen according to the brightness adjustment value.

[0044] The brightness adjustment value can be the actual brightness value adjusted to the in-vehicle LCD screen.

[0045] Specifically, the brightness adjustment value of the vehicle LCD screen is determined based on the brightness adjustment ratio. If the brightness adjustment ratio is too large, the value of the brightness adjustment ratio needs to be controlled to avoid exceeding the adjustable brightness range of the vehicle LCD screen or the brightness tolerance range of the human eye. If the brightness adjustment ratio is small, there is no need to modify the brightness adjustment ratio. The brightness adjustment value of the vehicle LCD screen is determined according to the original brightness adjustment ratio, and the brightness of the vehicle LCD screen is adjusted according to the brightness adjustment value.

[0046] The technical solution of this invention obtains the real-time vehicle speed, driving time, driver age, and real-time brightness value of the vehicle's LCD screen; calculates the brightness value to be adjusted for the LCD screen based on the real-time vehicle speed, driving time, and driver age; calculates the brightness adjustment ratio based on the brightness value to be adjusted and the real-time brightness value; determines the brightness adjustment value of the LCD screen based on the brightness adjustment ratio; and adjusts the brightness of the LCD screen based on the brightness adjustment value. By adjusting the brightness of the LCD screen through multi-dimensional data analysis, the accuracy of the brightness adjustment of the LCD screen is improved.

[0047] Example 2

[0048] Figure 2 This is a flowchart illustrating a method for adjusting the brightness of an in-vehicle LCD screen according to Embodiment 2 of the present invention. Based on the above embodiments, this embodiment optimizes and improves the operation of adjusting the brightness of the in-vehicle LCD screen.

[0049] Furthermore, the process of "calculating the brightness value to be adjusted for the in-vehicle LCD screen based on the real-time vehicle speed, driving time, and driver's age" is refined to "obtaining the brightness conversion coefficient of the in-vehicle LCD screen; calculating the driving state compensation value of the in-vehicle LCD screen based on the real-time vehicle speed and driving time; calculating the driving age compensation value of the in-vehicle LCD screen based on the driver's age; obtaining the ambient light data from the light sensor of the vehicle; obtaining the ambient brightness compensation value of the in-vehicle LCD screen based on the ambient light data from the light sensor; and calculating the brightness value to be adjusted for the in-vehicle LCD screen based on the brightness conversion coefficient, driving state compensation value, driving age compensation value, and ambient brightness compensation value of the in-vehicle LCD screen," thereby improving the operation of adjusting the brightness of the in-vehicle LCD screen.

[0050] It should be noted that for parts not described in detail in the embodiments of the present invention, please refer to the descriptions in other embodiments.

[0051] See Figure 2 The method for adjusting the brightness of the in-vehicle LCD screen shown includes:

[0052] S201. Obtain the real-time vehicle speed, driving duration, driver age, and real-time brightness value of the vehicle's LCD screen to be adjusted.

[0053] S202. Obtain the brightness conversion coefficient of the vehicle LCD screen.

[0054] The brightness conversion coefficient can be the correspondence between the brightness value obtained from the analysis of real-time vehicle speed, driving time, and driver age and the brightness value to be adjusted.

[0055] Specifically, the brightness conversion coefficient of the vehicle's LCD screen is obtained, which can be obtained through experiments or industry experience. The influencing factors on the brightness of each vehicle's LCD screen are identified, and the required brightness adjustment value is calculated based on these factors. The adjusted brightness value for each LCD screen is then multiplied by the brightness conversion coefficient to convert it into the desired brightness value.

[0056] S203. Calculate the driving status compensation value of the in-vehicle LCD screen based on the real-time vehicle speed and driving time of the vehicle to be adjusted.

[0057] The driving status compensation value can be an adjustment value for brightness based on the driver's fatigue level. Specifically, the driving status compensation value for the in-vehicle LCD screen is calculated based on the real-time speed of the vehicle and the driving duration. The higher the real-time speed of the vehicle, the dimmer the brightness of the in-vehicle LCD screen; the longer the driving duration, the dimmer the brightness of the in-vehicle LCD screen. Therefore, the driving status compensation value for the in-vehicle LCD screen needs to be calculated based on the real-time speed and driving duration of the vehicle.

[0058] S204. Calculate the driver age compensation value for the in-vehicle LCD screen based on the driver's age of the vehicle to be adjusted.

[0059] The driving age compensation value can be a brightness adjustment value based on the driver's driving age analysis. Specifically, the driving age compensation value for the in-vehicle LCD screen is calculated based on the driver's age. The older the driver of the vehicle being adjusted, the higher the brightness of the in-vehicle LCD screen needs to be.

[0060] S205. Obtain ambient light data from the light sensor of the vehicle to be adjusted.

[0061] The light sensor can be a device capable of detecting ambient light intensity. Ambient light data can be the intensity value of the ambient light inside the vehicle received by the light sensor. Specifically, the ambient light data of the light sensor of the vehicle to be adjusted is acquired, and the acquisition methods include, but are not limited to, sequential search algorithms, binary search algorithms, block search algorithms, tree table search algorithms, or hash search algorithms, etc., and the embodiments of the present invention do not impose any limitations on these methods.

[0062] S206. Obtain the ambient brightness compensation value of the vehicle LCD screen based on the ambient light data from the light sensor.

[0063] The ambient brightness compensation value can be a value used to adjust the brightness of the in-vehicle LCD screen based on the ambient light intensity. Specifically, ambient light is collected by a light sensor, and the ambient brightness compensation value of the in-vehicle LCD screen is obtained based on the ambient light data from the light sensor.

[0064] S207. Calculate the brightness value to be adjusted for the vehicle LCD screen based on the brightness conversion coefficient, driving state compensation value, driving age compensation value, and ambient brightness compensation value of the vehicle LCD screen.

[0065] Specifically, the brightness influencing factors X of the in-vehicle LCD screen include the driving state compensation value Xs, the driving age compensation value Xi, and the ambient brightness compensation value Xb. The correspondence between each brightness influencing factor and the brightness value W to be adjusted is W = (Xs + Xi + Xb)A, where A is the brightness conversion coefficient of the in-vehicle LCD screen. Based on the brightness conversion coefficient, driving state compensation value, driving age compensation value, and ambient brightness compensation value of the in-vehicle LCD screen, the brightness value to be adjusted for the in-vehicle LCD screen is calculated.

[0066] S208. Calculate the brightness adjustment ratio based on the brightness value to be adjusted and the real-time brightness value;

[0067] S209. Determine the brightness adjustment value of the vehicle LCD screen according to the brightness adjustment ratio, and adjust the brightness of the vehicle LCD screen according to the brightness adjustment value.

[0068] This invention provides an embodiment that obtains the brightness conversion coefficient of the vehicle's LCD screen; calculates the driving state compensation value of the LCD screen based on the real-time vehicle speed and driving duration; calculates the driving age compensation value of the LCD screen based on the driver's age; obtains the ambient light data from the vehicle's light sensor; obtains the ambient brightness compensation value of the LCD screen based on the ambient light data; and calculates the brightness value to be adjusted for the LCD screen based on the brightness conversion coefficient, driving state compensation value, driving age compensation value, and ambient brightness compensation value. By analyzing the influence of multi-dimensional data on the brightness of the LCD screen, the invention determines the brightness value that needs to be adjusted, making the brightness adjustment more accurate and better suited to the driver's driving state, thus improving driving safety.

[0069] Optionally, the driving state compensation value of the in-vehicle LCD screen is calculated based on the real-time vehicle speed and driving duration of the vehicle to be adjusted, including: obtaining the real-time brightness value, speed conversion coefficient, duration conversion coefficient, speed setting constant, and duration setting constant of the in-vehicle LCD screen; calculating the initial state compensation value of the in-vehicle LCD screen based on the speed conversion coefficient, duration conversion coefficient, speed setting constant, duration setting constant, real-time vehicle speed, and driving duration of the vehicle to be adjusted; calculating the initial state compensation ratio based on the real-time brightness value and the initial state compensation value of the in-vehicle LCD screen; obtaining the preset state compensation ratio; comparing the initial state compensation ratio with the preset state compensation ratio to obtain the state comparison result; and determining the driving state compensation value of the in-vehicle LCD screen based on the state comparison result.

[0070] The system includes the following components: Vehicle speed conversion coefficient (which can be the correspondence between the real-time speed of the vehicle to be adjusted and the driving state compensation value); Duration conversion coefficient (which can be the correspondence between the driving duration of the vehicle to be adjusted and the driving state compensation value); Vehicle speed setting constant (which can be the preset speed of the vehicle to be adjusted); Duration setting constant (which can be the preset driving duration of the vehicle to be adjusted); Initial state compensation value (which can be the brightness compensation value of the in-vehicle LCD screen directly calculated based on the vehicle speed conversion coefficient, duration conversion coefficient, vehicle speed setting constant, duration setting constant, real-time speed of the vehicle to be adjusted, and driving duration); Initial state compensation ratio (which can be the ratio of the initial state compensation value to the real-time brightness value of the in-vehicle LCD screen of the vehicle to be adjusted); Preset state compensation ratio (which can be the ratio of the preset initial state compensation value to the real-time brightness value of the in-vehicle LCD screen of the vehicle to be adjusted); State comparison result (which can be the result of comparing the initial state compensation ratio with the preset state compensation ratio); and Driving state compensation value (which can be the actual compensation value for the in-vehicle LCD screen calculated based on the driving state).

[0071] Specifically, the real-time brightness value, vehicle speed conversion coefficient S1, duration conversion coefficient T1, vehicle speed setting constant Ns, and duration setting constant Nt of the in-vehicle LCD screen are obtained. Based on these parameters, the initial state compensation value of the in-vehicle LCD screen is calculated using the formula: C = (S - Ns) / S1 + (T - Nt) / T1, where C is the initial state compensation value, T is the driving duration, and S is the real-time vehicle speed. The initial state compensation ratio is then calculated based on the real-time brightness value and the initial state compensation value. A preset state compensation ratio is obtained; for example, this preset ratio could be 5%. The initial state compensation ratio is compared with the preset state compensation ratio to obtain a state comparison result. Finally, the driving state compensation value of the in-vehicle LCD screen is determined based on the state comparison result.

[0072] The system acquires the real-time brightness value, vehicle speed conversion coefficient, duration conversion coefficient, vehicle speed setting constant, and duration setting constant of the in-vehicle LCD screen. Based on these parameters, the initial state compensation value of the in-vehicle LCD screen is calculated, along with the real-time vehicle speed and driving duration. The initial state compensation ratio is then calculated using the real-time brightness value and the initial state compensation value. A preset state compensation ratio is obtained. The initial state compensation ratio is compared with the preset state compensation ratio to obtain a state comparison result. The driving state compensation value of the in-vehicle LCD screen is determined based on the state comparison result. Multi-dimensional data analysis of the driving state compensation value allows for more accurate driving state analysis, improving the accuracy of in-vehicle LCD screen brightness adjustment.

[0073] Optionally, the driving state compensation value of the in-vehicle LCD screen is determined based on the state comparison result, including: if the state comparison result is that the initial state compensation ratio is greater than or equal to the preset state compensation ratio, then the driving state compensation value of the in-vehicle LCD screen is calculated based on the preset state compensation ratio; if the state comparison result is that the initial state compensation ratio is less than the preset state compensation ratio, then the driving state compensation value of the in-vehicle LCD screen is calculated based on the initial state compensation ratio.

[0074] Specifically, if the state comparison result shows that the initial state compensation ratio is greater than or equal to the preset state compensation ratio, then the driving state compensation value of the in-vehicle LCD screen is calculated based on the preset state compensation ratio. This avoids an excessively high compensation ratio, which could lead to overly high brightness adjustment of the in-vehicle LCD screen, causing visual fatigue and affecting driving safety. If the state comparison result shows that the initial state compensation ratio is less than the preset state compensation ratio, then the driving state compensation value of the in-vehicle LCD screen is calculated based on the initial state compensation ratio, and the brightness of the in-vehicle LCD screen is adaptively adjusted to ensure that the driver's observation of the LCD screen is more in line with their driving state.

[0075] If the state comparison result shows that the initial state compensation ratio is greater than or equal to the preset state compensation ratio, then the driving state compensation value of the vehicle LCD screen is calculated based on the preset state compensation ratio; if the state comparison result shows that the initial state compensation ratio is less than the preset state compensation ratio, then the driving state compensation value of the vehicle LCD screen is calculated based on the initial state compensation ratio. Different operations are performed for different state compensation ratios, which refines the brightness adjustment operation and improves the accuracy of brightness adjustment.

[0076] Optionally, the driving age compensation value of the in-vehicle LCD screen is calculated based on the driver's age of the vehicle to be adjusted, including: acquiring driver seat sensor data; acquiring at least one driver's facial image of the vehicle to be adjusted based on the driver seat sensor data; processing each driver's facial image to obtain the current driver's age; acquiring the age compensation base, the driver's average lifespan, and the lifespan conversion coefficient; and calculating the driving age compensation value of the in-vehicle LCD screen based on the age compensation base, the driver's average lifespan, the lifespan conversion coefficient, and the current driver's age.

[0077] The driver's seat sensor data can be data received by sensors indicating whether there is a driver in the cab. The driver's facial image can be a captured facial image of the driver in the cab of the vehicle to be adjusted. The current driver's age can be the driver's age analyzed based on at least one driver facial image. The age compensation base can be a preset driver's age. The average driver's lifespan can be the average lifespan of the drivers in the vehicle to be adjusted. The lifespan conversion coefficient can be the correspondence between the current driver's age and the driving age compensation value.

[0078] Specifically, driver seat sensor data is acquired. After detecting that the driver is in the seat, at least one driver's facial image of the vehicle to be adjusted is acquired. Each driver's facial image is processed to obtain the current driver's age L1. The age compensation base Lb, the driver's average lifespan Le, and the lifespan conversion coefficient T1 are obtained. The formula for calculating the driving age compensation value is: Xi = Lb - (Le - L1) / T1. Based on the age compensation base, the driver's average lifespan, the lifespan conversion coefficient, and the current driver's age, the driving age compensation value for the in-vehicle LCD screen is calculated.

[0079] By acquiring driver seat sensor data, at least one driver's facial image of the vehicle to be adjusted is obtained based on the driver seat sensor data; the driver's facial image is processed to obtain the current driver's age; the age compensation base, the driver's average lifespan, and the lifespan conversion coefficient are obtained; based on the age compensation base, the driver's average lifespan, the lifespan conversion coefficient, and the current driver's age, the driver's age compensation value for the in-vehicle LCD screen is calculated. By calculating the compensation value of driver age on the real-time brightness of the in-vehicle LCD screen through multi-dimensional data, the accuracy of brightness adjustment is improved.

[0080] Optionally, the facial images of each driver are processed to obtain the current driver's age, including: recognizing each driver's facial image to obtain at least one driver's recognized age; searching among the recognized ages of each driver to obtain the maximum and minimum age; and averaging the recognized ages of each driver excluding the maximum and minimum age to obtain the current driver's age.

[0081] The driver's identified age can be the age obtained from facial image recognition. The maximum age can be the largest driver's identified age found among all driver identified ages. The minimum age can be the smallest driver's identified age found among all driver identified ages. The current driver's age can be the age of the current driver calculated based on all driver identified ages.

[0082] Specifically, after detecting that the driver is in the seat, images are captured to obtain at least one driver facial image. Each driver facial image is then identified to obtain at least one driver's identified age. The maximum and minimum ages are then found among these identified ages. The maximum and minimum ages are removed from the remaining identified ages, and the average of the remaining ages is calculated to obtain the current driver's age.

[0083] By recognizing the facial images of each driver, at least one driver's age is obtained; among the driver's ages, the maximum and minimum ages are found; the average of the driver's ages excluding the maximum and minimum ages is calculated to obtain the current driver's age. The maximum and minimum ages are then excluded, and the average of the remaining driver ages is calculated, reducing the randomness of age recognition and improving the accuracy of age recognition.

[0084] Optionally, the brightness adjustment value of the in-vehicle LCD screen is determined based on the brightness adjustment ratio, including: obtaining a preset brightness value and a preset brightness ratio threshold; comparing the brightness adjustment ratio with the preset brightness ratio threshold to obtain a brightness ratio comparison result; if the brightness ratio comparison result is that the brightness adjustment ratio is greater than or equal to the preset brightness ratio threshold, then the preset brightness value is used as the brightness adjustment value of the in-vehicle LCD screen; if the brightness ratio comparison result is that the brightness adjustment ratio is less than the preset brightness ratio threshold, then the brightness value to be adjusted is used as the brightness adjustment value of the in-vehicle LCD screen.

[0085] The preset brightness value can be a preset brightness adjustment value. The preset brightness ratio threshold can be a pre-set threshold for the brightness adjustment ratio. The brightness ratio comparison result can be the result of comparing the brightness adjustment ratio with the preset brightness ratio threshold.

[0086] Specifically, the preset brightness value and preset brightness ratio threshold are obtained. These can be acquired through industry experience or preset according to requirements. The brightness adjustment ratio is compared with the preset brightness ratio threshold to obtain a brightness ratio comparison result. If the brightness adjustment ratio is greater than or equal to the preset brightness ratio threshold, it indicates that the brightness adjustment ratio is too large and exceeds the preset adjustment range. In this case, the preset brightness value is used as the brightness adjustment value for the vehicle's LCD screen. If the brightness adjustment ratio is less than the preset brightness ratio threshold, it indicates that the brightness adjustment ratio is too small and within the adjustable brightness range. In this case, the brightness value to be adjusted is used as the brightness adjustment value for the vehicle's LCD screen.

[0087] By acquiring a preset brightness value and a preset brightness ratio threshold, and comparing the brightness adjustment ratio with the preset brightness ratio threshold to obtain a brightness ratio comparison result, the preset brightness value is used as the brightness adjustment value of the vehicle LCD screen if the brightness adjustment ratio is greater than or equal to the preset brightness ratio threshold. If the brightness ratio comparison result is less than the preset brightness ratio threshold, the brightness value to be adjusted is used as the brightness adjustment value of the vehicle LCD screen. Different operations are performed according to different comparison results, thereby improving the accuracy of brightness adjustment.

[0088] Optionally, adjusting the brightness of the vehicle LCD screen according to the brightness adjustment value includes: obtaining at least one brightness ratio range and the adjustment step size and step time corresponding to each brightness ratio range; comparing the brightness adjustment ratio with each brightness ratio range to obtain a target brightness range; determining the target adjustment step size and target step time based on the target brightness range; and adjusting the brightness of the vehicle LCD screen according to the target adjustment step size and target step time until the brightness of the vehicle LCD screen is adjusted to the brightness adjustment value.

[0089] Here, the brightness ratio range can be a preset range of brightness adjustment ratios. The adjustment step size can be the brightness value adjusted each time the brightness is adjusted. The step time can be the interval between two brightness adjustments. The target brightness range can be the brightness ratio range corresponding to the brightness adjustment ratio. The target adjustment step size can be the adjustment step size corresponding to the target brightness range. The target step time can be the step time corresponding to the target brightness range.

[0090] Specifically, at least one brightness ratio range and its corresponding adjustment step size and step time are obtained, with a one-to-one correspondence between the brightness ratio range and the adjustment step size. The brightness adjustment ratio is compared with each brightness ratio range to obtain the target brightness range and its corresponding target adjustment step size and target step time. The brightness of the vehicle's LCD screen is adjusted according to the target adjustment step size and target step time until the brightness of the vehicle's LCD screen is adjusted to the brightness adjustment value. If the brightness adjustment ratio is large, multiple adjustments of a smaller ratio each time are made to obtain a buffer time for brightness adjustment and prevent abrupt changes. If the brightness adjustment ratio is small, the brightness of the vehicle's LCD screen can be directly adjusted to the brightness adjustment value, improving the efficiency of brightness adjustment.

[0091] By acquiring at least one brightness ratio range and the corresponding adjustment step size and step time for each brightness ratio range; comparing the brightness adjustment ratio with each brightness ratio range to obtain the target brightness range; determining the target adjustment step size and target step time based on the target brightness range; and adjusting the brightness of the vehicle LCD screen according to the target adjustment step size and target step time until the brightness of the vehicle LCD screen is adjusted to the brightness adjustment value, different operations are performed for different brightness ratio ranges, thus refining the brightness adjustment steps and improving the accuracy of brightness adjustment.

[0092] Optionally, based on driver seat sensor data, at least one driver's facial image of the vehicle to be adjusted is acquired, including: determining the image acquisition time based on the driver seat sensor data; acquiring a preset number of acquisitions and an image acquisition interval time; and acquiring at least one driver's facial image of the vehicle to be adjusted according to the image acquisition interval time and the preset number of acquisitions, starting from the image acquisition time.

[0093] The image acquisition time can be the start time for driver image acquisition. The preset acquisition number can be the preset time for acquiring driver facial images. The image acquisition interval can be the interval between two image acquisitions. Specifically, the image acquisition time is determined based on driver seat sensor data, the preset acquisition number and image acquisition interval are obtained, and after detecting that the driver is in the seat, image acquisition begins according to the preset acquisition number and image acquisition interval, obtaining at least one driver facial image of the vehicle to be adjusted.

[0094] The image acquisition time is determined based on driver's seat sensor data; a preset number of acquisitions and image acquisition interval time are obtained; starting from the image acquisition time, at least one driver's face image of the vehicle to be adjusted is acquired according to the image acquisition interval time and the preset number of acquisitions. The image is acquired adaptively according to the needs, without the need for manual settings, thus improving the efficiency of brightness adjustment.

[0095] Example 3

[0096] Figure 3 This is a schematic diagram of a vehicle-mounted LCD screen brightness adjustment device according to Embodiment 3 of the present invention. This embodiment of the invention is applicable to the situation of adjusting the brightness of a vehicle-mounted LCD screen. The device can execute a vehicle-mounted LCD screen brightness adjustment method, and the device can be implemented in hardware and / or software.

[0097] See Figure 3 The vehicle-mounted LCD screen brightness adjustment device shown includes: a data acquisition module 301, a brightness value calculation module 302, an adjustment ratio calculation module 303, and a brightness adjustment module 304, wherein...

[0098] The data acquisition module 301 is used to acquire the real-time vehicle speed, driving time, driver age, and real-time brightness value of the vehicle's LCD screen to be adjusted.

[0099] The brightness value calculation module 302 is used to calculate the brightness value of the vehicle LCD screen to be adjusted based on the real-time vehicle speed, driving time and driver age of the vehicle to be adjusted.

[0100] The adjustment ratio calculation module 303 is used to calculate the brightness adjustment ratio based on the brightness value to be adjusted and the real-time brightness value.

[0101] The brightness adjustment module 304 is used to determine the brightness adjustment value of the vehicle LCD screen according to the brightness adjustment ratio, and adjust the brightness of the vehicle LCD screen according to the brightness adjustment value.

[0102] The technical solution of this invention obtains the real-time vehicle speed, driving time, driver age, and real-time brightness value of the vehicle's LCD screen; calculates the brightness value to be adjusted for the LCD screen based on the real-time vehicle speed, driving time, and driver age; calculates the brightness adjustment ratio based on the brightness value to be adjusted and the real-time brightness value; determines the brightness adjustment value of the LCD screen based on the brightness adjustment ratio; and adjusts the brightness of the LCD screen based on the brightness adjustment value. By adjusting the brightness of the LCD screen through multi-dimensional data analysis, the accuracy of the brightness adjustment of the LCD screen is improved.

[0103] Optionally, the brightness value calculation module 302 includes:

[0104] The coefficient acquisition unit is used to acquire the brightness conversion coefficient of the vehicle LCD screen;

[0105] The status value calculation unit is used to calculate the driving status compensation value of the in-vehicle LCD screen based on the real-time vehicle speed and driving time of the vehicle to be adjusted.

[0106] The age value calculation unit is used to calculate the driving age compensation value of the in-vehicle LCD screen based on the driver's age of the vehicle to be adjusted.

[0107] An ambient light acquisition unit is used to acquire ambient light data from the light sensor of the vehicle to be adjusted.

[0108] The brightness data calculation unit is used to obtain the ambient brightness compensation value of the vehicle LCD screen based on the ambient light data from the light sensor.

[0109] The adjustment value calculation unit is used to calculate the adjustment value of the vehicle LCD screen based on the brightness conversion coefficient, driving state compensation value, driving age compensation value and ambient brightness compensation value of the vehicle LCD screen.

[0110] Optionally, the state value calculation unit includes:

[0111] The status data acquisition subunit is used to acquire the real-time brightness value, vehicle speed conversion coefficient, duration conversion coefficient, vehicle speed setting constant, and duration setting constant of the vehicle LCD screen.

[0112] The initial data acquisition subunit is used to calculate the initial state compensation value of the vehicle LCD screen based on the vehicle speed conversion coefficient, the duration conversion coefficient, the vehicle speed setting constant, the duration setting constant, the real-time vehicle speed of the vehicle to be adjusted, and the driving duration.

[0113] The initial ratio acquisition subunit is used to calculate the initial state compensation ratio based on the real-time brightness value of the vehicle LCD screen and the initial state compensation value of the vehicle LCD screen.

[0114] The preset ratio acquisition subunit is used to acquire the preset state compensation ratio;

[0115] The proportional comparison subunit is used to compare the initial state compensation ratio with the preset state compensation ratio to obtain the state comparison result.

[0116] The compensation value acquisition subunit is used to determine the driving state compensation value of the vehicle LCD screen based on the state comparison results.

[0117] Optionally, the compensation value acquisition sub-unit is used for:

[0118] If the state comparison result is that the initial state compensation ratio is greater than or equal to the preset state compensation ratio, then the driving state compensation value of the vehicle LCD screen is calculated based on the preset state compensation ratio.

[0119] If the state comparison result shows that the initial state compensation ratio is less than the preset state compensation ratio, then the driving state compensation value of the vehicle LCD screen is calculated based on the initial state compensation ratio.

[0120] Optional, the age value calculation unit includes:

[0121] The sensor data acquisition subunit is used to acquire sensor data from the driver's seat;

[0122] The facial image acquisition subunit is used to acquire at least one driver's facial image of the vehicle to be adjusted based on driver's seat sensing data.

[0123] The current age acquisition subunit is used to process the facial images of each driver to obtain the current age of the driver;

[0124] The age data acquisition subunit is used to obtain the age compensation base, average driver lifespan, and lifespan conversion coefficient.

[0125] The age compensation value acquisition subunit is used to calculate the driving age compensation value of the in-vehicle LCD screen based on the age compensation base, the driver's average lifespan, the lifespan conversion coefficient, and the current driver's age.

[0126] Optional, the current age retrieval sub-unit is specifically used for:

[0127] By recognizing the facial images of each driver, at least one driver's age can be determined;

[0128] Search among the identified ages of each driver to obtain the maximum and minimum age values;

[0129] The current driver's age is obtained by averaging the ages of all drivers except for the maximum and minimum ages.

[0130] Optional, brightness adjustment module 304, specifically used for:

[0131] Obtain the preset brightness value and the preset brightness ratio threshold;

[0132] The brightness adjustment ratio is compared with the preset brightness ratio threshold to obtain the brightness ratio comparison result;

[0133] If the brightness ratio comparison result is that the brightness adjustment ratio is greater than or equal to the preset brightness ratio threshold, then the preset brightness value will be used as the brightness adjustment value of the vehicle LCD screen.

[0134] If the brightness ratio comparison result shows that the brightness adjustment ratio is less than the preset brightness ratio threshold, then the brightness value to be adjusted will be used as the brightness adjustment value of the vehicle LCD screen.

[0135] Optional, brightness adjustment module 304, specifically used for:

[0136] Obtain at least one brightness ratio range and the adjustment step size and step time corresponding to each brightness ratio range;

[0137] The target brightness range is obtained by comparing the brightness adjustment ratio with each brightness ratio range.

[0138] Determine the target adjustment step size and target step time based on the target brightness range;

[0139] Adjust the brightness of the vehicle's LCD screen according to the target adjustment step size and target step time until the brightness of the vehicle's LCD screen is adjusted to the brightness adjustment value.

[0140] Optionally, a facial image acquisition subunit is used for:

[0141] The image acquisition time is determined based on driver's seat sensor data;

[0142] Obtain the preset number of image acquisitions and the image acquisition interval time;

[0143] Starting from the image acquisition time, at least one driver's facial image of the vehicle to be adjusted is acquired according to the image acquisition interval and the preset number of acquisitions.

[0144] The vehicle-mounted LCD screen brightness adjustment device provided in this embodiment of the invention can execute the vehicle-mounted LCD screen brightness adjustment method provided in any embodiment of the invention, and has the corresponding functional modules and beneficial effects for executing the vehicle-mounted LCD screen brightness adjustment method.

[0145] Example 4

[0146] Figure 4 A schematic diagram of the structure of an in-vehicle LCD screen brightness adjustment device 400 that can be used to implement an embodiment of the present invention is shown.

[0147] like Figure 4 As shown, the in-vehicle LCD screen brightness adjustment device 400 includes at least one processor 401 and a memory, such as a read-only memory (ROM) 402 or a random access memory (RAM) 403, communicatively connected to the at least one processor 401. The memory stores computer programs executable by the at least one processor. The processor 401 can perform various appropriate actions and processes based on the computer program stored in the ROM 402 or loaded from the storage unit 408 into the RAM 403. The RAM 403 can also store various programs and data required for the operation of the in-vehicle LCD screen brightness adjustment device 400. The processor 401, ROM 402, and RAM 403 are interconnected via a bus 404. An input / output (I / O) interface 405 is also connected to the bus 404.

[0148] Multiple components in the vehicle-mounted LCD screen brightness adjustment device 400 are connected to the I / O interface 405, including: an input unit 406, such as a keyboard or mouse; an output unit 407, such as various types of displays or speakers; a storage unit 408, such as a disk or optical disk; and a communication unit 409, such as a network card, modem, or wireless transceiver. The communication unit 409 allows the vehicle-mounted LCD screen brightness adjustment device 400 to exchange information / data with other devices through computer networks such as the Internet and / or various telecommunications networks.

[0149] Processor 401 can be a variety of general-purpose and / or special-purpose processing components with processing and computing capabilities. Some examples of processor 401 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various special-purpose artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any suitable processor, controller, microcontroller, etc. Processor 501 performs the various methods and processes described above, such as the method for adjusting the brightness of an in-vehicle LCD screen.

[0150] In some embodiments, the vehicle-mounted LCD screen brightness adjustment method can be implemented as a computer program tangibly contained in a computer-readable storage medium, such as storage unit 408. In some embodiments, part or all of the computer program can be loaded and / or installed on the vehicle-mounted LCD screen brightness adjustment device 400 via ROM 402 and / or communication unit 409. When the computer program is loaded into RAM 403 and executed by processor 401, one or more steps of the vehicle-mounted LCD screen brightness adjustment method described above can be performed. Alternatively, in other embodiments, processor 401 can be configured to perform the vehicle-mounted LCD screen brightness adjustment method by any other suitable means (e.g., by means of firmware).

[0151] Various embodiments of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), application-specific standard products (ASSPs), systems-on-a-chip (SoCs), complex programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various embodiments may include implementations in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which may be a dedicated or general-purpose programmable processor, capable of receiving data and instructions from a storage system, at least one input device, and at least one output device, and transmitting data and instructions to the storage system, the at least one input device, and the at least one output device.

[0152] Computer programs used to implement the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, such that when executed by the processor, the computer programs cause the functions / operations specified in the flowcharts and / or block diagrams to be performed. The computer programs may be executed entirely on a machine, partially on a machine, or as a standalone software package, partially on a machine and partially on a remote machine, or entirely on a remote machine or server.

[0153] In the context of this invention, a computer-readable storage medium can be a tangible medium that may contain or store a computer program for use by or in conjunction with an instruction execution system, apparatus, or device. A computer-readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatus, or devices, or any suitable combination thereof. Alternatively, a computer-readable storage medium may be a machine-readable signal medium. More specific examples of machine-readable storage media include electrical connections based on one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fibers, portable compact disk read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination thereof.

[0154] To provide user interaction, the systems and techniques described herein can be implemented on an in-vehicle LCD screen brightness adjustment device, which includes: a display device for displaying information to the user (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor); and a keyboard and pointing device (e.g., a mouse or trackball) through which the user provides input to the in-vehicle LCD screen brightness adjustment device. Other types of devices can also be used to provide user interaction; for example, the feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form (including sound input, voice input, or tactile input).

[0155] The systems and technologies described herein can be implemented in computing systems that include backend components (e.g., as data servers), or computing systems that include middleware components (e.g., application servers), or computing systems that include frontend components (e.g., user computers with graphical user interfaces or web browsers through which users can interact with implementations of the systems and technologies described herein), or any combination of such backend, middleware, or frontend components. The components of the system can be interconnected via digital data communication of any form or medium (e.g., communication networks). Examples of communication networks include local area networks (LANs), wide area networks (WANs), blockchain networks, and the Internet.

[0156] A computing system can include clients and servers. Clients and servers are generally geographically separated and typically interact via communication networks. The client-server relationship is created by computer programs running on the respective computers and having a client-server relationship with each other. The server can be a cloud server, also known as a cloud computing server or cloud host, which is a hosting product within the cloud computing service system. It addresses the shortcomings of traditional physical hosts and VPS (Virtual Private Server) services, such as high management difficulty and weak business scalability.

[0157] It should be understood that the various forms of processes shown above can be used, with steps reordered, added, or deleted. For example, the steps described in this invention can be executed in parallel, sequentially, or in different orders, as long as the desired result of the technical solution of this invention can be achieved, and this is not limited herein.

[0158] The specific embodiments described above do not constitute a limitation on the scope of protection of this invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this invention should be included within the scope of protection of this invention.

Claims

1. A method for adjusting the brightness of an in-vehicle LCD screen, characterized in that, The method includes: The system acquires the real-time vehicle speed, driving duration, driver age, and real-time brightness value of the vehicle's LCD screen. Obtain the brightness conversion coefficient of the in-vehicle LCD screen; The driving status compensation value of the in-vehicle LCD screen is calculated based on the real-time speed and driving duration of the vehicle to be adjusted. The driving age compensation value of the in-vehicle LCD screen is calculated based on the driver's age of the vehicle to be adjusted. Acquire ambient light data from the light sensor of the vehicle to be adjusted; The ambient light compensation value of the vehicle LCD screen is obtained based on the ambient light data from the light sensor. The adjustable brightness value of the vehicle LCD screen is calculated based on the brightness conversion coefficient, driving state compensation value, driving age compensation value, and ambient brightness compensation value of the vehicle LCD screen. The formula for calculating the adjustable brightness value W of the vehicle LCD screen is: W = (Xs + Xi + Xb)A; where Xs is the driving state compensation value, Xi is the driving age compensation value, Xb is the ambient brightness compensation value, and A is the brightness conversion coefficient of the vehicle LCD screen. The brightness adjustment ratio is calculated based on the brightness value to be adjusted and the real-time brightness value. The brightness adjustment value of the vehicle LCD screen is determined according to the brightness adjustment ratio, and the brightness of the vehicle LCD screen is adjusted according to the brightness adjustment value.

2. The method according to claim 1, characterized in that, The calculation of the driving state compensation value of the in-vehicle LCD screen based on the real-time vehicle speed and driving duration of the vehicle to be adjusted includes: The system acquires the real-time brightness value, vehicle speed conversion coefficient, duration conversion coefficient, vehicle speed setting constant, and duration setting constant of the vehicle LCD screen; wherein, the vehicle speed conversion coefficient is the correspondence data between the real-time vehicle speed of the vehicle to be adjusted and the driving state compensation value; and the duration conversion coefficient is the correspondence data between the driving duration of the vehicle to be adjusted and the driving state compensation value. The initial state compensation value of the in-vehicle LCD screen is calculated based on the vehicle speed conversion coefficient, the duration conversion coefficient, the vehicle speed setting constant, the duration setting constant, the real-time vehicle speed of the vehicle to be adjusted, and the driving duration; wherein, the calculation formula for the initial state compensation value of the in-vehicle LCD screen is: C is the initial state compensation value, T is the driving time, S is the real-time speed of the vehicle to be adjusted; S1 is the speed conversion coefficient, T1 is the time conversion coefficient, Ns is the speed setting constant, and Nt is the time setting constant. The initial state compensation ratio is calculated based on the real-time brightness value of the vehicle LCD screen and the initial state compensation value of the vehicle LCD screen. Obtain the preset state compensation ratio; The initial state compensation ratio is compared with the preset state compensation ratio to obtain the state comparison result; The driving state compensation value of the in-vehicle LCD screen is determined based on the state comparison result.

3. The method according to claim 2, characterized in that, Determining the driving state compensation value of the in-vehicle LCD screen based on the state comparison result includes: If the state comparison result is that the initial state compensation ratio is greater than or equal to the preset state compensation ratio, then the driving state compensation value of the vehicle LCD screen is calculated according to the preset state compensation ratio. If the state comparison result is that the initial state compensation ratio is less than the preset state compensation ratio, then the driving state compensation value of the vehicle LCD screen is calculated based on the initial state compensation ratio.

4. The method according to claim 1, characterized in that, The step of calculating the driving age compensation value for the in-vehicle LCD screen based on the driver's age of the vehicle to be adjusted includes: Acquire driver's seat sensor data; Based on the driver's seat sensing data, at least one driver's facial image of the vehicle to be adjusted is obtained; The driver's facial image is processed to obtain the current driver's age; Obtain the age compensation base, the average lifespan of drivers, and the lifespan conversion coefficient; wherein, the age compensation base is a preset age of the driver; and the lifespan conversion coefficient is the correspondence between the current age of the driver and the driving age compensation value; The driving age compensation value of the in-vehicle LCD screen is calculated based on the age compensation base, the average lifespan of the driver, the lifespan conversion coefficient, and the current age of the driver; wherein, the calculation formula for the driving age compensation value of the in-vehicle LCD screen is as follows: Lb is the age compensation base, Le is the average lifespan of the driver, T2 is the lifespan conversion coefficient, and L1 is the current age of the driver.

5. The method according to claim 4, characterized in that, The process of processing the facial images of each driver to obtain the current driver's age includes: The facial images of each driver are identified to obtain at least one driver's identified age; Search among the driver identification ages to obtain the maximum and minimum age values; The current driver's age is obtained by averaging the driver's identified ages, excluding the maximum and minimum ages.

6. The method according to claim 1, characterized in that, Determining the brightness adjustment value of the in-vehicle LCD screen based on the brightness adjustment ratio includes: Obtain the preset brightness value and the preset brightness ratio threshold; The brightness adjustment ratio is compared with the preset brightness ratio threshold to obtain the brightness ratio comparison result. If the brightness ratio comparison result is that the brightness adjustment ratio is greater than or equal to the preset brightness ratio threshold, then the preset brightness value is used as the brightness adjustment value of the vehicle LCD screen. If the brightness ratio comparison result is that the brightness adjustment ratio is less than the preset brightness ratio threshold, then the brightness value to be adjusted is used as the brightness adjustment value of the vehicle LCD screen.

7. The method according to claim 1, characterized in that, Adjusting the brightness of the vehicle-mounted LCD screen according to the brightness adjustment value includes: Obtain at least one brightness ratio range and the adjustment step size and step time corresponding to each brightness ratio range; The target brightness range is obtained by comparing the brightness adjustment ratio with each of the brightness ratio ranges. The target adjustment step size and target step time are determined based on the target brightness range; The brightness of the vehicle-mounted LCD screen is adjusted according to the target adjustment step size and the target step time until the brightness of the vehicle-mounted LCD screen is adjusted to the brightness adjustment value.

8. The method according to claim 4, characterized in that, The step of acquiring at least one driver's facial image of the vehicle to be adjusted based on the driver's seat sensing data includes: The image acquisition time is determined based on the driver's seat sensor data. Obtain the preset number of image acquisitions and the image acquisition interval time; Starting from the image acquisition time, at least one driver's facial image of the vehicle to be adjusted is acquired according to the image acquisition interval and the preset acquisition number.

9. A vehicle-mounted LCD screen brightness adjustment device, used to perform the vehicle-mounted LCD screen brightness adjustment method as described in any one of claims 1-8, characterized in that, The device includes: The data acquisition module is used to acquire the real-time vehicle speed, driving time, driver age, and real-time brightness value of the vehicle's LCD screen to be adjusted. The brightness value calculation module is used to calculate the brightness value to be adjusted of the vehicle LCD screen based on the real-time vehicle speed, driving time and driver age of the vehicle to be adjusted. The adjustment ratio calculation module is used to calculate the brightness adjustment ratio based on the brightness value to be adjusted and the real-time brightness value. A brightness adjustment module is used to determine the brightness adjustment value of the vehicle LCD screen according to the brightness adjustment ratio, and adjust the brightness of the vehicle LCD screen according to the brightness adjustment value.

10. A vehicle-mounted LCD screen brightness adjustment device, characterized in that, The vehicle-mounted LCD screen brightness adjustment device includes: At least one processor; and A memory communicatively connected to the at least one processor; wherein, The memory stores a computer program that can be executed by the at least one processor, the computer program being executed by the at least one processor to enable the at least one processor to perform the vehicle LCD screen brightness adjustment method according to any one of claims 1-8.

11. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer instructions that are used to cause a processor to execute the vehicle-mounted LCD screen brightness adjustment method according to any one of claims 1-8.

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