WO2018098992A1

WO2018098992A1 - Method and device for screen control and computer storage medium

Info

Publication number: WO2018098992A1
Application number: PCT/CN2017/082717
Authority: WO
Inventors: 李家宽
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-12-02
Filing date: 2017-05-02
Publication date: 2018-06-07
Also published as: CN108153563A; CN108153563B

Abstract

Disclosed are a method and device for screen control and a computer storage medium. The method comprises: determining, on the basis of user facial feature information corresponding to a current display screen, whether the current display screen satisfies a brightness adjustment criterion, where the current display screen is at least one display screen of n display screens, and n is a natural number greater than or equal to 2; insofar as the current display screen satisfies the brightness adjustment criterion, calculating, on the basis of a parameter of correlation between the current display screen and user facial features and of a parameter of relative angles between the current display screen and other n–1 display screens, n expected brightness values corresponding to the n display screens; and adjusting the brightness of the n display screens on the basis of the n expected brightness values corresponding to the n display screens.

Description

Screen control method, device and computer storage medium

Cross-reference to related applications

The present application is filed on the basis of the Chinese Patent Application Serial No. No. No. No. No. No. No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No

Technical field

The present application relates to mobile terminal technologies, and in particular, to a screen control method, apparatus, and computer storage medium.

Background technique

With the rapid development of mobile communication technology, the functions of mobile terminals are becoming more and more powerful. In order to meet the application requirements of different screens when users use the same mobile terminal, multi-screen terminals have emerged. The so-called multi-screen terminal is to set a plurality of display screens on the same mobile terminal. Compared with a conventional single-screen terminal, a multi-screen terminal has a plurality of display screens of a multi-screen terminal, and the user can operate different menus of the plurality of display screens at the same time, thereby enabling Different application scenarios are implemented when the same mobile terminal is used.

When using different application functions of the mobile terminal, the user often needs to control and adjust the brightness of the mobile terminal. At present, the commonly used method for controlling the brightness of the mobile terminal includes: adjusting the brightness through the button of the terminal, automatically adjusting the brightness according to the ambient light intensity, Adjust the brightness, etc. according to the gesture or sound set by the user.

The inventors have found that at least the following problems exist in the prior art:

The existing method for adjusting the brightness of the screen can meet the needs of different types of users in a single-screen terminal, but in a multi-screen terminal, different screens are alternately used, and the brightness control is more complicated. this is Since in the multi-screen terminal, all the screens are in the same use environment and receive the same external stimulus, the automatic control method in the original method can no longer meet the requirements of the multi-screen terminal, and the manner of manually adjusting the brightness of the display screen makes the user It is inconvenient when using the terminal, the operation is not flexible, and the user experience is poor.

Summary of the invention

The embodiment of the present invention provides a screen control method, device, and computer storage medium, which can realize the function of screen brightness synchronization control of a multi-screen mobile terminal, facilitate user operation, and improve screen brightness control flexibility of the multi-screen mobile terminal.

To achieve the above objective, the technical solution of the embodiment of the present application is implemented as follows:

The embodiment of the present application provides a screen control method, including:

Determining, according to the user facial feature information corresponding to the current display screen, whether the current display screen satisfies the brightness adjustment condition; wherein the current display screen is at least one of the n display screens, where n is a natural number greater than or equal to 2;

When the current display screen satisfies the brightness adjustment condition, the n is calculated according to the associated parameter of the current display screen and the user's facial feature and the relative angle parameter between the current display screen and the other n-1 display screens. Displaying n expected brightness values corresponding to the screen;

Adjusting brightness of the n display screens according to n expected brightness values corresponding to the n display screens.

In an embodiment, before determining whether the current display screen meets the brightness adjustment condition according to the user facial feature information corresponding to the current display screen, the method includes:

Obtain the user's behavior parameters;

It is determined whether the behavior parameter satisfies a preset on condition, and if so, the brightness control function is turned on.

In an embodiment, the associated parameters of the current display screen and the user's facial features include:

The current display screen and the user facial feature angle parameter, the distance parameter, and the absolute posture parameter.

In an embodiment, the calculating, according to the associated parameter of the current display screen and the user's facial feature, and the relative angle parameter between the current display screen and the other n-1 display screens, the n display screens are correspondingly calculated. n expected brightness values, including:

Calculating a relative position parameter of the current display screen according to the angle parameter and the distance parameter;

Calculating a relative posture parameter of the current display screen according to the relative position parameter of the current display screen and the absolute posture parameter;

Calculating n expected brightness values corresponding to the n display screens according to a relative posture parameter of the current display screen and a relative angle parameter between the current display screen and other n-1 display screens.

In an embodiment, the calculating n predictions corresponding to the n display screens according to a relative posture parameter of the current display screen and a relative angle parameter between the current display screen and other n-1 display screens Brightness values, including:

Calculating, according to the relative posture parameter of the current display screen and the relative angle parameter between the current display screen and the other n-1 display screens, relative angle parameters of the n display screens and the user facial features;

Calculating n expected brightness values corresponding to the n display screens according to the relative angle parameters of the n display screens and the user facial features.

In an embodiment, the method further includes: when the current display screen does not satisfy the brightness adjustment condition, selecting the next display screen to determine a new current display screen until the brightness adjustment of the n display screens is completed.

The embodiment of the present application further provides a screen control apparatus, including:

a determining unit, configured to determine, according to the user facial feature information corresponding to the current display screen, whether the current display screen meets a brightness adjustment condition; wherein the current display screen is n Displaying at least one display screen in the screen, where n is a natural number greater than or equal to 2;

a calculating unit configured to: when the current display screen satisfies the brightness adjustment condition, according to the associated parameter of the current display screen and the user's facial feature, and the relative angle between the current display screen and other n-1 display screens The parameter calculates n expected brightness values corresponding to the n display screens;

The adjusting unit is configured to adjust brightness of the all n display screens according to n expected brightness values corresponding to the n display screens.

In an embodiment, the apparatus further includes:

An obtaining unit configured to acquire a behavior parameter of the user, and send the behavior parameter to the determining unit;

The determining unit is configured to determine whether the behavior parameter meets a preset opening condition, and if yes, turn on the brightness control function, and notify the determining unit;

The determining unit is configured to determine, according to the user facial feature information corresponding to the current display screen, whether the current display screen satisfies a brightness adjustment condition; wherein the current display screen is at least one of the n display screens , n is a natural number greater than or equal to 2.

In an embodiment, the calculating unit comprises:

a first calculating subunit, configured to calculate a relative position parameter of the current display screen according to the angle parameter and the distance parameter, and send the relative position parameter to a second determining subunit;

The second calculating subunit is configured to calculate a relative posture parameter of the current display screen according to the relative position parameter of the current display screen and the absolute posture parameter, and send the relative posture parameter to the third determining sub Unit

The third calculating subunit is configured to calculate n corresponding to the n display screens according to a relative posture parameter of the current display screen and a relative angle parameter between the current display screen and other n-1 display screens Expected brightness values.

In an embodiment, the third calculating subunit is configured to separately calculate the relative posture parameter of the current display screen and the relative angle parameter between the current display screen and other n-1 display screens. a relative angle parameter of the n display screens and the user's facial features; and n expected brightness values corresponding to the n display screens are respectively calculated according to the relative angle parameters of the n display screens and the user facial features.

In an embodiment, the adjusting unit is further configured to select the next display screen to be determined as a new current display screen until the current display screen does not satisfy the brightness adjustment condition until the brightness adjustment of all the n display screens is completed.

The embodiment of the present application provides a transfer terminal, including n display screens, a processor, and a memory storing data of the processor executable instructions. When the instructions are executed by the processor, the following operations are performed:

The embodiment of the present application further provides a computer storage medium, where the computer-executable instructions are stored, and the computer-executable instructions are used to execute the screen control method according to the embodiment of the present application.

In the technical solution of the embodiment of the present application, determining, according to the user facial feature information corresponding to the current display screen, whether the current display screen meets the brightness adjustment condition; wherein the current display screen is one of the n display screens. , n is a natural number greater than or equal to 2; when the current display screen satisfies the brightness adjustment condition, according to the associated parameter of the current display screen and the user's facial features and the relative angle parameter between the current display screen and other n-1 display screens n expected brightness values corresponding to all n display screens; adjusting the brightness of all n display screens according to n expected brightness values corresponding to all n display screens. That is to say, in the technical solution proposed by the present application, the screen brightness of the multi-screen mobile terminal can be synchronously controlled according to the expected brightness value of each screen by calculating the expected brightness value of each screen of the multi-screen mobile terminal. Obviously, compared with the prior art, the technical solution of the embodiment of the present application implements the function of screen brightness synchronization control of the multi-screen mobile terminal, facilitates the operation of the user, and improves the screen brightness control flexibility of the multi-screen mobile terminal.

DRAWINGS

1 is a schematic flowchart of an implementation process of a screen control method in an embodiment of the present application;

2 is a schematic diagram of an implementation process of a method for calculating an expected brightness value according to an embodiment of the present application;

3 is a schematic diagram of an implementation process of a method for calculating an expected brightness value according to a relative attitude parameter and a relative angle parameter in the embodiment of the present application;

4 is a schematic diagram of an implementation process of a method for turning on a brightness control function in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a first component of a screen control apparatus according to an embodiment of the present application; FIG.

FIG. 6 is a schematic diagram of a second component structure of a screen control device according to an embodiment of the present application.

detailed description

Embodiment 1

In the embodiment of the present application, FIG. 1 is a schematic flowchart of a method for implementing a screen control method according to an embodiment of the present application. As shown in FIG. 1 , the screen control method may include the following steps:

Step 101: Determine, according to the user facial feature information corresponding to the current display screen, whether the current display screen satisfies a brightness adjustment condition; wherein the current display screen is at least one of the n display screens, and n is a natural number greater than or equal to 2. .

In an embodiment of the present application, for a multi-screen mobile terminal having n display screens, when the brightness control function is turned on, at least one display screen may be selected among all n display screens of the multi-screen mobile terminal, and the The at least one display screen is determined as the current display screen, and then determines whether the current display screen satisfies the brightness adjustment condition according to the user facial feature information corresponding to the current display screen; wherein n is a natural number greater than or equal to 2.

In the embodiment of the present application, the multi-screen mobile terminal can obtain the user facial feature information corresponding to the current display screen by using various methods. As an embodiment, the embodiment of the present application acquires user facial feature information corresponding to each screen by using an imaging device installed on each display screen of the multi-screen mobile terminal.

In the embodiment of the present application, the user facial feature information corresponding to the current display screen may include a plurality of types of information. As an implementation manner, the embodiment of the present application determines whether the user's eye information satisfies a preset condition. The determination condition of the screen brightness adjustment, wherein the preset condition corresponding to the user's eye information may include effective eye information for the current screen. For example, when the acquired user's eye information corresponding to the current display screen is effective eye information for the current screen, it may be determined that the current display screen satisfies the brightness adjustment condition.

Step 102: When the current display screen meets the brightness adjustment condition, calculate the correlation parameter between the current display screen and the user's facial feature and the relative angle parameter between the current display screen and the other n-1 display screens. The n expected brightness values corresponding to the n display screens.

In the embodiment of the present application, when the current display screen meets the brightness adjustment condition according to the user facial feature information corresponding to the current display screen, the related parameters of the current display screen and the user's facial feature, and the current display screen and other The relative angle parameters between the n-1 display screens calculate n expected brightness values corresponding to the n display screens.

In an embodiment of the present application, the associated parameters of the current display screen and the user's facial features may include: a current display screen and a user facial feature angle parameter, a distance parameter, and an absolute posture parameter.

In an embodiment of the present application, an angle parameter, a distance parameter, and an absolute posture parameter of the multi-screen mobile terminal that obtain the current display screen and the user's facial features may be detected by various methods. As an embodiment, the embodiment may provide an angle parameter of each display screen and a user's facial feature by using at least one camera device and a distance sensor installed on each display screen of the multi-screen mobile terminal. The at least one distance sensor installed on each display screen of the multi-screen mobile terminal detects the distance parameter of each display screen and the user's facial features. The embodiment of the present application can obtain the multi-screen by the gyroscope installed on the multi-screen mobile terminal. Absolute attitude parameters of the mobile terminal. For example, when the user's facial features are the user's eyes, the camera device obtains the user's facial features, calculates the angle between the screen surface and the user's eyes according to the angle formed by the three points of the eyes and the nose, and obtains the distance between the screen surface and the user's eyes through the distance sensor. .

Step 103: Adjust brightness of the n display screens according to n expected brightness values corresponding to the n display screens.

In an embodiment of the present application, the multi-screen mobile terminal may adjust the brightness of the n display screens according to the n expected brightness values corresponding to the n display screens obtained by the calculation. The adjusting the brightness of the n display screens by the multi-screen mobile terminal may include gradually brightening the display screen entering the user's line of sight, and reaching full brightness when the display screen is perpendicular to the user's line of sight; and simultaneously causing the display screen to leave the user's line of sight Gradually dimmed, and the display screen is closed when the display screen is parallel to the user's line of sight or when the user presets the position.

Embodiment 2

2 is a schematic diagram of an implementation process of a method for calculating an expected brightness value according to an embodiment of the present application. As shown in FIG. 2, the method for calculating an expected brightness value of a current display screen mainly includes the following steps:

Step 102a: Calculate the relative position of the current display screen according to the angle parameter and the distance parameter. number.

In the embodiment of the present application, the multi-screen mobile terminal may calculate the relative position parameter of the current display screen according to the angle parameter and the distance parameter of the current display screen and the user's facial feature. The relative position of the current display screen of the multi-screen mobile terminal may include an angle of the current display screen and a user facial feature and a distance between the current display screen and a user facial feature. For example, when the user's face feature is the user's eye, the multi-screen mobile terminal uses the current display screen and the angle parameter of the eye and the distance parameter of the current display screen and the user's eyes to form a relative position parameter of the current display screen.

Step 102b: Calculate a relative posture parameter of the current display screen according to the relative position parameter and the absolute posture parameter of the current display screen.

In an embodiment of the present application, the multi-screen mobile terminal may calculate a relative posture parameter of the current display screen according to the calculated relative position parameter of the current display screen and the measured absolute posture parameter obtained by the calculation. As an implementation manner, in order to ensure that the calculation result is not affected by the user posture, it is required to calculate a relative posture parameter of the current display screen, wherein the relative posture parameter of the current display screen may be the current display screen with the user's face. The normal direction of the feature plane is the reference angle parameter. For example, when the user's facial feature is the user's eye, the multi-screen mobile terminal may construct a user coordinate system with the user's line of sight as the normal direction and the eye plane as the tangential direction, thereby calculating the posture parameter of the terminal in the user coordinate system as the relative posture. parameter.

Step 102c: Calculate n expected brightness values corresponding to the n display screens according to a relative posture parameter of the current display screen and a relative angle parameter between the current display screen and other n-1 display screens.

In an embodiment of the present application, the multi-screen mobile terminal may obtain the n displays according to a relative posture parameter of the current display screen and a relative angle parameter between the current display screen and other n-1 display screens. The n expected brightness values corresponding to the screen. Wherein, the proportional relationship of the n expected brightness values corresponding to the n display screens is represented by all n display screens and user faces The proportional relationship of the relative angle parameters of the feature is determined. For example, when the relative angle parameter of a display screen and a user's facial features is relatively large, the display screen can be considered to be relatively far away from the user's facial features, and the expected brightness value of the display screen is low.

According to the above analysis, through the above steps 102a-102c, when the current display screen satisfies the brightness adjustment condition, the angle parameter, the distance parameter, the absolute posture parameter, and the current display screen and other according to the current display screen and the user's facial features may be used. The relative angle parameter between n-1 display screens calculates n expected brightness values corresponding to all n display screens.

Embodiment 3

FIG. 3 is a schematic diagram of an implementation process of a method for calculating an expected brightness value according to a relative attitude parameter and a relative angle parameter according to an embodiment of the present application. As shown in FIG. 3, the method for calculating an expected brightness value according to the relative attitude parameter and the relative angle parameter may include the following steps:

Step 102c-1, calculating relative angle parameters of the n display screens and user facial features according to the relative posture parameters of the current display screen and the relative angle parameters between the current display screen and the other n-1 display screens. .

In the embodiment of the present application, the multi-screen mobile terminal may calculate all the n relative pose parameters of the current display screen obtained by calculating and the relative angle parameters between the preset current display screen and other n-1 display screens. A relative angle parameter that displays the screen and the user's facial features. The relative angle parameter between the current display screen and the other n-1 display screens may be preset through a system setting module of the multi-screen mobile terminal.

Step 102c-2: Calculate n expected brightness values corresponding to the n display screens according to the relative angle parameters of the n display screens and the user facial features.

In an embodiment of the present application, the multi-screen mobile terminal may determine a proportional relationship between the brightness of the n display screens according to a calculated proportional relationship between the n display screens and a relative angle parameter of the user's facial features, thereby calculating Obtaining n expected brightness values corresponding to the n display screens.

According to the above analysis, through the above steps 102c-1 to 102c-2, all n displays can be calculated according to the relative posture parameters of the current display screen and the relative angle parameters between the current display screen and other n-1 display screens. The n expected brightness values corresponding to the screen.

Embodiment 4

In the embodiment of the present application, before selecting one of the n display screens to be the current display screen, the multi-screen mobile terminal needs to turn on the brightness control function. 4 is a schematic diagram of an implementation process of a method for turning on a brightness control function according to an embodiment of the present application. As shown in FIG. 4, the method for turning on the brightness control function includes the following steps:

Step 201: Obtain a behavior parameter of the user.

In the embodiment of the present application, the multi-screen mobile terminal acquires the behavior parameter of the user before selecting one of the n display screens to be the current display screen. The behavior parameter of the user may be an operation parameter of the user on the multi-screen mobile terminal, and may include translation, flipping, and acceleration information of the multi-screen mobile terminal.

In the embodiment of the present application, the multi-screen mobile terminal can obtain the user behavior parameter by using various methods. In the embodiment of the present application, the change of the parameter of the multi-screen mobile terminal can be obtained by using a device such as a gravity sensor, an acceleration sensor, and a gyroscope. Get the user's behavior parameters.

Step 202: Determine whether the behavior parameter satisfies a preset on condition, and if yes, turn on the brightness control function.

In the embodiment of the present application, after obtaining the behavior parameter of the user, the multi-screen mobile terminal may select whether to enable the display screen brightness control function by determining whether the behavior parameter satisfies the preset on condition. The preset on condition may include a type of behavior of the user and a parameter threshold corresponding to the type that should be.

In the embodiment of the present application, in order to reduce the power consumption of the multi-screen mobile terminal, the multi-screen mobile terminal can not only enable the display screen brightness control function by determining whether the current behavior parameter of the user meets the preset opening condition, but also can pass the Determine whether the user's current behavior parameters are met The preset off condition is turned off to turn off the display screen brightness control function. Similarly, the preset shutdown condition may also include the type of behavior of the user and a parameter threshold corresponding to the type that should be.

In an embodiment of the present application, when the current display screen does not satisfy the brightness adjustment condition, selecting the next display screen to determine a new current display screen until the brightness adjustment of all the n display screens is completed, thereby implementing the steering user The screen gradually brightens until it is fully lit, and the screen that faces away from the user gradually darkens until the screen is turned off.

The screen control method of the embodiment of the present application determines whether the current display screen satisfies the brightness adjustment condition according to the user facial feature information corresponding to the current display screen; wherein the current display screen is at least one of n display screens, where n is a natural number greater than or equal to 2; when the current display screen satisfies the brightness adjustment condition, the calculation is based on the associated parameter of the current display screen and the user's facial features and the relative angle parameter between the current display screen and the other n-1 display screens. n expected brightness values corresponding to the n display screens; adjusting the brightness of all n display screens according to n expected brightness values corresponding to all n display screens. That is to say, in the technical solution proposed by the present application, the screen brightness of the multi-screen mobile terminal can be synchronously controlled according to the expected brightness value of each screen by calculating the expected brightness value of each screen of the multi-screen mobile terminal. Obviously, compared with the prior art, the screen control method provided by the embodiment of the present application can implement the function of screen brightness synchronization control of the multi-screen mobile terminal, facilitate the operation of the user, and improve the screen brightness control of the multi-screen mobile terminal. And; it is simple and convenient to implement, easy to popularize, and has a wider scope of application.

Embodiment 5

5 is a first schematic structural diagram of a screen control apparatus according to an embodiment of the present application. As shown in FIG. 5, the screen control apparatus includes: a determining unit 401, a calculating unit 402, and an adjusting unit 403;

The determining unit 401 is configured to determine, according to the user facial feature information corresponding to the current display screen, whether the current display screen meets the brightness adjustment condition; wherein the current display screen is n display At least one display screen in the display screen, where n is a natural number greater than or equal to 2;

The calculating unit 402 is configured to: when the current display screen meets the brightness adjustment condition, according to a correlation parameter between the current display screen and the user facial feature, and a relative between the current display screen and other n-1 display screens The angle parameter calculates n expected brightness values corresponding to the n display screens;

The adjusting unit 403 is configured to adjust brightness of the n display screens according to n expected brightness values corresponding to the n display screens.

In the embodiment of the present application, for a multi-screen mobile terminal having n display screens, when the brightness control function is turned on, the determining unit 401 may select at least one display screen among all n display screens of the multi-screen mobile terminal, and Determining the at least one display screen as a current display screen, and then determining, according to the user facial feature information corresponding to the current display screen, whether the current display screen satisfies a brightness adjustment condition; wherein n is a natural number greater than or equal to 2.

In the embodiment of the present application, the determining unit 401 can obtain the user facial feature information corresponding to the current display screen by using various methods. The embodiment of the present application can acquire user facial feature information corresponding to each screen by using an imaging device installed on each display screen of the multi-screen mobile terminal.

In the embodiment of the present application, the user facial feature information corresponding to the current display screen may include multiple types of information. As an implementation manner, the embodiment of the present application may determine whether the user's eye information satisfies a preset condition. The determination condition of the screen brightness adjustment is turned on, wherein the preset condition corresponding to the user's eye information may include effective eye information for the current screen. For example, when the acquired user's eye information corresponding to the current display screen is effective eye information for the current screen, it may be determined that the current display screen satisfies the brightness adjustment condition.

In the embodiment of the present application, when the current display screen meets the brightness adjustment condition according to the user facial feature information corresponding to the current display screen, the calculating unit 402 may perform an angle parameter and a distance parameter according to the current display screen and the user facial feature. Calculating the n display screen pairs with absolute attitude parameters and relative angle parameters between the current display screen and other n-1 display screens The n expected brightness values.

In an embodiment of the present application, the calculating unit 402 may detect an angle parameter, a distance parameter, and an absolute posture parameter of the multi-screen mobile terminal that obtain the current display screen and the user's facial features by using various methods. As an embodiment, the embodiment may provide an angle parameter of each display screen and a user's facial feature by using at least one camera device and a distance sensor installed on each display screen of the multi-screen mobile terminal. The at least one distance sensor installed on each display screen of the multi-screen mobile terminal detects the distance parameter of each display screen and the user's facial features. The embodiment of the present application can obtain the multi-screen by the gyroscope installed on the multi-screen mobile terminal. Absolute attitude parameters of the mobile terminal. For example, when the user's facial features are the user's eyes, the camera device obtains the user's facial features, calculates the angle between the screen surface and the user's eyes according to the angle formed by the three points of the eyes and the nose, and obtains the distance between the screen surface and the user's eyes through the distance sensor. .

In the embodiment of the present application, the adjusting unit 403 may adjust the brightness of the n display screens correspondingly according to the n expected brightness values corresponding to the n display screens obtained by the calculation. The adjusting unit 403 adjusting the brightness of the n display screens may include gradually lighting the display screen entering the user's line of sight, and reaching full brightness when the display screen is perpendicular to the user's line of sight; and simultaneously causing the display to leave the user's line of sight. The screen gradually dims and closes the display screen when the display screen is parallel to the user's line of sight or when the user presets the position.

In an embodiment of the present application, when the current display screen does not satisfy the brightness adjustment condition, the adjusting unit 403 selects the next display screen to be determined as a new current display screen until the brightness adjustment of all the n display screens is completed. Thereby, the screen of the turning user is gradually brightened until it is fully bright, and the screen facing away from the user is gradually darkened until the screen is turned off.

In the embodiment of the present application, as shown in FIG. 5, the screen control apparatus in the embodiment of the present application further includes: an obtaining unit 404 and a determining unit 405;

The obtaining unit 404 is configured to acquire a behavior parameter of the user, and send the behavior parameter Give a judgment unit;

The determining unit 405 is configured to determine whether the behavior parameter satisfies a preset on condition, and if so, the brightness control function is turned on, and the determining unit 401 is notified;

The determining unit 401 is configured to determine, according to the user facial feature information corresponding to the current display screen, whether the current display screen meets a brightness adjustment condition; wherein the current display screen is displayed by at least one of the n display screens On the screen, n is a natural number greater than or equal to 2.

In the embodiment of the present application, before the multi-screen mobile terminal selects at least one of the n display screens as the current display screen, the obtaining unit 404 first acquires the behavior parameter of the user. The behavior parameter of the user may be an operation parameter of the user on the multi-screen mobile terminal, and may include translation, flipping, and acceleration information of the multi-screen mobile terminal.

In the embodiment of the present application, the acquiring unit 404 can obtain the user behavior parameter by using various methods, and the embodiment of the present application preferably detects the change of the parameter of the multi-screen mobile terminal by using a device such as a gravity sensor, an acceleration sensor, and a gyroscope, thereby Get the user's behavior parameters.

In the embodiment of the present application, after obtaining the behavior parameter of the user, the determining unit 405 may select whether to enable the display screen brightness control function by determining whether the behavior parameter satisfies the preset opening condition. The preset open condition may include a type of behavior of the user and a parameter threshold corresponding to the type that should be.

In the embodiment of the present application, in order to reduce the power consumption of the multi-screen mobile terminal, the determining unit 405 can not only enable the display screen brightness control function by determining whether the current behavior parameter of the user meets the preset opening condition, and at the same time, the determining unit The 405 can also turn off the display screen brightness control function by determining whether the current behavior parameter of the user satisfies the preset off condition. Similarly, the preset shutdown condition may also include the type of behavior of the user and a parameter threshold corresponding to the type that should be.

Embodiment 6

6 is a schematic diagram of a second component structure of a screen control device according to an embodiment of the present application, as shown in FIG. 6 As shown, the calculation unit 402 includes: a first calculation subunit 4021, a second calculation subunit 4022, and a third calculation subunit 4023;

The first calculating subunit 4021 is configured to calculate a relative position parameter of the current display screen according to the angle parameter and the distance parameter;

The second calculating sub-unit 4022 is configured to calculate a relative posture parameter of the current display screen according to a relative position parameter and an absolute posture parameter of the current display screen;

The third calculating sub-unit 4023 is configured to calculate n corresponding to the n display screens according to a relative posture parameter of the current display screen and a relative angle parameter between the current display screen and other n-1 display screens Expected brightness value.

In the embodiment of the present application, the first calculating sub-unit 4021 may calculate a relative position parameter of the current display screen according to an angle parameter and a distance parameter of the current display screen and the user facial feature. The relative position of the current display screen of the multi-screen mobile terminal may include an angle of the current display screen and the user's facial features and a distance between the front display screen and the user's facial features. For example, when the user's face feature is the user's eye, the multi-screen mobile terminal uses the current display screen and the angle parameter of the eye and the distance parameter of the current display screen and the user's eyes to form a relative position parameter of the current display screen.

In the embodiment of the present application, the second calculating sub-unit 4022 can calculate the relative posture parameter of the current display screen according to the relative position parameter of the current display screen obtained by the calculation and the absolute posture parameter obtained by the measurement. As an implementation manner, in order to ensure that the calculation result is not affected by the user posture, it is required to calculate a relative posture parameter of the current display screen, wherein the relative posture parameter of the current display screen may be the current display screen with the user facial feature plane normal. The direction is the angle parameter of the reference. For example, when the user's facial feature is the user's eye, the multi-screen mobile terminal may construct a user coordinate system with the user's line of sight as the normal direction and the eye plane as the tangential direction, thereby calculating the posture parameter of the terminal in the user coordinate system as the relative posture. parameter.

In the embodiment of the present application, the third calculating subunit 4023 may be based on the current display screen. The relative attitude parameters of the curtain and the relative angle parameter between the current display screen and the other n-1 display screens are calculated to obtain n expected brightness values corresponding to all n display screens. The proportional relationship of the n expected brightness values corresponding to all the n display screens is determined by the proportional relationship between the relative angle parameters of all the n display screens and the user's facial features. For example, when the relative angle parameter of a display screen and a user's facial features is relatively large, the display screen can be considered to be relatively far away from the user's facial features, and the expected brightness value of the display screen is low.

In an embodiment of the present application, as an implementation manner, the third calculating sub-unit 4023 is configured to: according to a relative posture parameter of the current display screen and between the current display screen and other n-1 display screens The relative angle parameter respectively calculates a relative angle parameter of the n display screens and the user's facial features; and calculates n predictions corresponding to the n display screens according to the relative angle parameters of the n display screens and the user facial features respectively Brightness value.

In an actual application, the determining unit 401, the calculating unit 402, the adjusting unit 403, the obtaining unit 404, and the determining unit 405 may each be a central processing unit (CPU), a microprocessor (MPU), a digital signal processor (DSP) located at the mobile terminal. ), or field programmable gate array (FPGA) implementation.

In the screen control device of the embodiment of the present application, when the brightness control function is turned on, selecting one display screen among the n display screens is the current display screen, and determining whether the current display screen is based on the user facial feature information corresponding to the current display screen. Satisfying the brightness adjustment condition; wherein n is a natural number greater than or equal to 2; when the current display screen satisfies the brightness adjustment condition, according to the current display screen and the user's facial features, the angle parameter, the distance parameter, the absolute posture parameter, and the current display screen and other The relative angle parameter between n-1 display screens calculates n expected brightness values corresponding to all n display screens; the brightness of all n display screens is adjusted according to n expected brightness values corresponding to all n display screens. That is to say, in the technical solution proposed by the present application, the screen brightness of the multi-screen mobile terminal can be synchronously controlled according to the expected brightness value of each screen by calculating the expected brightness value of each screen of the multi-screen mobile terminal. Obviously, compared with the prior art, The device provided in the embodiment of the present application can implement the function of the screen brightness synchronization control of the multi-screen mobile terminal, facilitate the operation of the user, and improve the screen brightness control flexibility of the multi-screen mobile terminal; and is simple and convenient to implement, and is convenient for popularization. A wider range.

Adjusting the brightness of all n display screens according to n expected brightness values corresponding to the n display screens.

The processor is further configured to: before determining whether the current display screen meets the brightness adjustment condition according to the user facial feature information corresponding to the current display screen, acquiring a behavior parameter of the user; determining whether the behavior parameter meets a preset opening condition, If it is satisfied, the brightness control function is turned on.

In this embodiment, the current display screen and the user facial feature angle parameter, the distance parameter, and the absolute posture parameter. The processor is configured to calculate a relative position parameter of the current display screen according to the angle parameter and the distance parameter; calculate the current display screen according to the relative position parameter of the current display screen and the absolute posture parameter a relative attitude parameter; calculating n expected brightness values corresponding to the n display screens according to a relative posture parameter of the current display screen and a relative angle parameter between the current display screen and other n-1 display screens.

The processor is configured to be based on a relative posture parameter of the current display screen and Calculating a relative angle parameter of the n display screens and the user's facial features respectively according to a relative angle parameter between the current display screen and the other n-1 display screens; according to the n display screens and the user's facial features The relative angle parameters respectively calculate n expected brightness values corresponding to the n display screens.

In an embodiment, the processor is further configured to: when the current display screen does not satisfy the brightness adjustment condition, select the next display screen to determine a new current display screen until the brightness of the n display screens is completed. Adjustment.

Those skilled in the art will appreciate that embodiments of the present application can be provided as a method, system, or computer program product. Accordingly, the application can take the form of a hardware embodiment, a software embodiment, or an embodiment in combination with software and hardware. Moreover, the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded into a computer or other programmable data processing device Having a series of operational steps performed on a computer or other programmable device to produce computer-implemented processing such that instructions executed on a computer or other programmable device are provided for implementing one or more processes in a flowchart and/or Or block diagram the steps of a function specified in a box or multiple boxes.

The above is only the preferred embodiment of the present application and is not intended to limit the scope of the present application.

Industrial applicability

The technical solution of the embodiment of the present application synchronizes the screen brightness of the multi-screen mobile terminal according to the expected brightness value of each screen by calculating the expected brightness value of each screen of the multi-screen mobile terminal, thereby realizing the screen brightness synchronization of the multi-screen mobile terminal. The function of control is convenient for the user's operation, and the screen brightness control flexibility of the multi-screen mobile terminal is improved.

Claims

A screen control method, the method comprising:

Determining, according to the user facial feature information corresponding to the current display screen, whether the current display screen satisfies the brightness adjustment condition; wherein the current display screen is at least one of the n display screens, where n is a natural number greater than or equal to 2;

When the current display screen satisfies the brightness adjustment condition, the n is calculated according to the associated parameter of the current display screen and the user's facial feature and the relative angle parameter between the current display screen and the other n-1 display screens. Displaying n expected brightness values corresponding to the screen;

Adjusting brightness of the n display screens according to n expected brightness values corresponding to the n display screens.
The method according to claim 1, wherein the determining, according to the user facial feature information corresponding to the current display screen, whether the current display screen satisfies the brightness adjustment condition comprises:

Obtain the user's behavior parameters;

It is determined whether the behavior parameter satisfies a preset on condition, and if so, the brightness control function is turned on.
The method of claim 1, wherein the associated parameters of the current display screen and the user's facial features comprise:

The current display screen and the user facial feature angle parameter, the distance parameter, and the absolute posture parameter.
The method according to claim 3, wherein said calculating said correlation parameter according to said current display screen and a user facial feature and a relative angle parameter between said current display screen and other n-1 display screens n expected brightness values corresponding to the n display screens, including:

Calculating a relative position parameter of the current display screen according to the angle parameter and the distance parameter;

Calculating a relative posture parameter of the current display screen according to the relative position parameter of the current display screen and the absolute posture parameter;

Calculating n expected brightness values corresponding to the n display screens according to a relative posture parameter of the current display screen and a relative angle parameter between the current display screen and other n-1 display screens.
The method according to claim 4, wherein said calculating said n display screens according to a relative posture parameter of said current display screen and a relative angle parameter between said current display screen and other n-1 display screens Corresponding n expected brightness values, including:

Calculating, according to the relative posture parameter of the current display screen and the relative angle parameter between the current display screen and the other n-1 display screens, relative angle parameters of the n display screens and the user facial features;

Calculating n expected brightness values corresponding to the n display screens according to the relative angle parameters of the n display screens and the user facial features.
The method according to claim 1, wherein the method further comprises: when the current display screen does not satisfy the brightness adjustment condition, selecting the next display screen to determine a new current display screen until the n displays are completed Brightness adjustment of the screen.
A screen control device, the device comprising:

a determining unit, configured to determine, according to the user facial feature information corresponding to the current display screen, whether the current display screen satisfies a brightness adjustment condition; wherein the current display screen is at least one of the n display screens, where n is greater than a natural number equal to 2;

a calculating unit configured to: when the current display screen satisfies the brightness adjustment condition, according to the associated parameter of the current display screen and the user's facial feature, and the relative angle between the current display screen and other n-1 display screens The parameter calculates n expected brightness values corresponding to the n display screens;

An adjusting unit configured to adjust according to n expected brightness values corresponding to the n display screens The brightness of the n display screens.
The apparatus of claim 7 wherein said apparatus further comprises:

An obtaining unit configured to acquire a behavior parameter of the user, and send the behavior parameter to the determining unit;

The determining unit is configured to determine whether the behavior parameter meets a preset opening condition, and if yes, turn on the brightness control function, and notify the determining unit;

The determining unit is configured to determine, according to the user facial feature information corresponding to the current display screen, whether the current display screen satisfies a brightness adjustment condition; wherein the current display screen is at least one of the n display screens , n is a natural number greater than or equal to 2.
The device according to claim 7, wherein the associated parameters of the current display screen and the user's facial features include:

The current display screen and the user facial feature angle parameter, the distance parameter, and the absolute posture parameter.
The apparatus of claim 9 wherein said computing unit comprises:

a first calculating subunit, configured to calculate a relative position parameter of the current display screen according to the angle parameter and the distance parameter, and send the relative position parameter to the second determining subunit;

The second calculating subunit is configured to calculate a relative posture parameter of the current display screen according to the relative position parameter of the current display screen and the absolute posture parameter, and send the relative posture parameter to the third determining sub unit;

The third calculating subunit is configured to calculate n corresponding to the n display screens according to a relative posture parameter of the current display screen and a relative angle parameter between the current display screen and other n-1 display screens Expected brightness values.
The apparatus according to claim 10, wherein said third calculating subunit is configured to: according to a relative posture parameter of said current display screen and said current display screen and other n-1 Calculating a relative angle parameter between the n display screens and the user's facial features respectively by calculating a relative angle parameter between the screens; respectively calculating the n display screens according to the relative angle parameters of the n display screens and the user facial features Corresponding n expected brightness values.
The apparatus according to claim 7, wherein the adjustment unit is further configured to select the next display screen to be determined as a new current display screen until the current display screen does not satisfy the brightness adjustment condition until all n displays are completed Brightness adjustment of the screen.
A transfer terminal comprising n display screens, a processor, and a memory storing data of the processor-executable instructions, when the instructions are executed by the processor, performing the following operations:

Determining, according to the user facial feature information corresponding to the current display screen, whether the current display screen satisfies the brightness adjustment condition; wherein the current display screen is at least one of the n display screens, where n is a natural number greater than or equal to 2;

When the current display screen satisfies the brightness adjustment condition, the n is calculated according to the associated parameter of the current display screen and the user's facial feature and the relative angle parameter between the current display screen and the other n-1 display screens. Displaying n expected brightness values corresponding to the screen;

Adjusting brightness of the n display screens according to n expected brightness values corresponding to the n display screens.
A computer storage medium having stored therein computer executable instructions for performing the screen control method of any one of claims 1 to 6.