WO2015131647A1 - 一种屏幕亮度调节的方法和装置 - Google Patents

一种屏幕亮度调节的方法和装置 Download PDF

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WO2015131647A1
WO2015131647A1 PCT/CN2014/095690 CN2014095690W WO2015131647A1 WO 2015131647 A1 WO2015131647 A1 WO 2015131647A1 CN 2014095690 W CN2014095690 W CN 2014095690W WO 2015131647 A1 WO2015131647 A1 WO 2015131647A1
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brightness value
preview data
data acquired
module
user
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张显坤
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ZTE Corp
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light

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  • the field of terminal devices of the present invention specifically relates to a method and apparatus for adjusting screen brightness.
  • Embodiments of the present invention provide a method and apparatus for adjusting screen brightness to achieve a more comfortable screen brightness and improve user experience.
  • An embodiment of the present invention provides a method for adjusting a screen brightness, which is applied to a terminal device, where the terminal device includes a first imaging component and a second imaging component, and the method includes:
  • the first imaging component is a front imaging component
  • the second imaging component is a rear imaging component
  • the ambient brightness value includes a front ambient brightness value and a rear ambient brightness value
  • Calculating a facial brightness value of the user and an environmental brightness value of the terminal device according to the preview data acquired by the first imaging component and the second imaging component includes:
  • the rear environment brightness value is calculated according to the preview data acquired by the rear camera unit.
  • calculating the facial brightness value and the front ambient brightness value of the user according to the preview data acquired by the front camera component comprises:
  • the method further includes: turning off the front imaging component;
  • the method further includes: closing the rear imaging component.
  • the method further includes:
  • the embodiment of the invention further provides a device for adjusting the brightness of the screen, the device comprising a first camera module and a second camera module, the device further comprising:
  • a calculation module configured to calculate a facial brightness value of the user and an environmental brightness value of the terminal device according to the preview data acquired by the first camera module and the preview data acquired by the second camera module;
  • control module configured to configure, according to the facial brightness value calculated by the calculating module and the ambient brightness value, a screen brightness value of the terminal device.
  • the first camera module is a front camera component
  • the second camera module includes a rear camera component
  • the ambient brightness value includes a front ambient brightness value and a rear ambient brightness value
  • the calculating module is configured to calculate a facial brightness value of the user and the front ambient brightness value according to the preview data acquired by the front imaging component; the pre-acquisition obtained according to the rear camera module The viewing data calculates the rear ambient brightness value.
  • the device further includes a face recognition module
  • the face recognition module is configured to calculate a face coordinate of the user according to preview data acquired by the front camera component;
  • the calculating module is configured to calculate a facial brightness value of the user and the front ambient brightness value according to the facial coordinates of the user calculated by the face recognition module and the preview data acquired by the front imaging component .
  • control module is further configured to close the front camera component after the calculating module calculates the face brightness value of the user and the front environment brightness value; and further configured to be in the computing module
  • the rear camera component is turned off after calculating the rear environment brightness value.
  • the method further includes setting a module
  • the setting module is configured to adjust a screen brightness of the device to a screen brightness value configured by the control module.
  • the embodiment of the invention further provides a computer program and a carrier thereof, the computer program comprising program instructions, when the program instruction is executed by the terminal device, enabling the device to implement the method for adjusting the brightness of the screen.
  • the foregoing solution provided by the embodiment of the present invention obtains the ambient brightness value and the face brightness value of the terminal device by analyzing the preview data of the first imaging component and the second imaging component, and the analysis of the luminance values can be more accurate. Set the appropriate screen brightness to improve the user experience.
  • FIG. 1 is a flow chart of a method for adjusting screen brightness according to an embodiment of the present invention
  • FIG. 2 is another flow chart of a method for adjusting screen brightness according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of an apparatus for adjusting a brightness of a screen according to an embodiment of the present invention.
  • an embodiment of the present invention provides a method for adjusting a screen brightness, which is applied to a terminal device, where the terminal device includes a first imaging component and a second imaging component, and the method includes:
  • Step S11 calculating a facial brightness value of the user and an environmental brightness value of the terminal device according to the preview data acquired by the first imaging component and the preview data acquired by the second imaging component;
  • the first imaging component is a front imaging component
  • the second imaging component is a rear imaging component.
  • the front imaging component and the rear imaging component may be cameras, or other components may be acquired.
  • the ambient brightness value includes a front ambient brightness value and a rear ambient brightness value; the rear ambient brightness value is calculated according to the preview data acquired by the rear imaging component.
  • Calculating the facial brightness value of the user and the environmental brightness value of the terminal device according to the preview data acquired by the first imaging component and the second imaging component includes:
  • the user's face coordinates may be first calculated according to the preview data acquired by the front camera component, and then the user's face brightness value and the front environment brightness are calculated according to the preview data acquired by the front camera component and the face coordinates. The value is calculated based on the preview data acquired by the rear camera unit.
  • Step S12 configuring a screen brightness value of the terminal device according to the facial brightness value and the ambient brightness value;
  • Step S13 Adjust the screen brightness of the terminal device to the configured screen brightness value.
  • the method further includes: closing the front camera component;
  • the method further includes: closing the rear camera component.
  • the method for implementing the screen brightness adjustment according to the embodiment of the present invention may be performed according to the steps shown in FIG. 2, and includes the following steps:
  • the brightness calculation module calculates the brightness of the face and the brightness value of the environment in front of the mobile phone
  • the method for adjusting the brightness of the screen in the embodiment of the present invention is not limited to the above-mentioned execution order. In other embodiments, other execution sequences may be used.
  • the preview camera may be turned on to obtain preview data, or the front end may be simultaneously turned on.
  • the rear camera, for the front and rear camera is closed or closed order is not specifically limited, according to the specific circumstances of the corresponding equipment.
  • the front and rear of the phone have a strong light intensity and brightness is higher than the screen brightness.
  • Screen brightness The screen brightness is set to the highest.
  • the brightness of the front and rear of the phone is very dark, and is lower than the screen brightness.
  • Screen brightness The screen brightness is set to a minimum.
  • Scene 3 The phone is placed face up on the table.
  • the brightness of the environment behind the phone is very dark, and the brightness of the front environment is normal.
  • Screen brightness Set the screen brightness according to the front background brightness.
  • Scene 4 The back of the phone is placed on the table with the back facing up.
  • the brightness of the environment in front of the phone is very dark, and the brightness of the rear environment is normal.
  • Screen brightness This is considered to be the case when the phone is not in use and the screen brightness is set to a minimum.
  • the background brightness of the back of the phone is higher than the background brightness of the front.
  • Screen brightness Set the screen brightness according to the rear background brightness.
  • the background brightness of the front of the phone is higher than the background brightness of the rear.
  • Screen brightness Set the screen brightness according to the rear background brightness.
  • the background brightness of the front of the phone is the same as the brightness of the rear background.
  • Screen brightness Set the screen brightness according to the rear background brightness.
  • the background brightness of the front of the mobile phone is the same as the brightness of the rear background, and the area of the face is relatively large.
  • Screen brightness The face is too close to the screen to lower the screen brightness.
  • Scene 9 Holding a mobile phone in hand, walking indoors, the face is not facing the mobile phone.
  • the background brightness of the front of the phone is the same as the brightness of the rear background, and no face is recognized.
  • Screen brightness This is considered to be the case when the phone is not in use and the screen brightness is set to a minimum.
  • an embodiment of the present invention further provides a device for adjusting a brightness of a screen, the device comprising a first camera module 11 and a second camera module 12, the device further comprising:
  • the calculating module 13 is configured to calculate a facial brightness value of the user and an environmental brightness value of the terminal device according to the preview data acquired by the first camera module and the preview data acquired by the second camera module;
  • the control module 14 is configured to configure, according to the facial brightness value calculated by the calculating module and the ambient brightness value, a screen brightness value of the terminal device;
  • the face recognition module 15 is adapted to calculate a face coordinate of the user according to the preview data acquired by the front camera component;
  • a setting module 16 is adapted to adjust the screen brightness of the device to a screen brightness value of the control module configuration.
  • the first camera module is a front camera component, and the second camera module includes a rear camera component;
  • the ambient brightness value includes a front ambient brightness value and a rear ambient brightness value
  • the calculating module is adapted to calculate, according to the preview data acquired by the first camera module and the preview data acquired by the second camera module, a face brightness value of the user and an ambient brightness value of the terminal device, which are:
  • the control module is further adapted to close the front camera component after calculating the face brightness value of the user and the front environment brightness value; and is further adapted to close the rear camera after calculating the rear environment brightness value component.
  • the control module calculates an appropriate screen brightness value according to the analysis of the face brightness value and the ambient brightness value, and notifies the setting module to set an appropriate screen brightness value.
  • the solution for adjusting the brightness of the screen obtained by the embodiment of the present invention obtains the ambient brightness value of the terminal device and the brightness value of the face by analyzing the preview data of the first imaging component and the second imaging component, and by analyzing the luminance values, Improve the user experience by setting the appropriate screen brightness more precisely.

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Abstract

一种屏幕亮度调节的方法，应用于终端设备，终端设备包括第一摄像部件和第二摄像部件，该方法包括：根据第一摄像部件获取的预览数据以及第二摄像部件获取的预览数据计算用户的脸部亮度值和终端设备的环境亮度值（S11）；根据脸部亮度值和环境亮度值配置终端设备的屏幕亮度值（S12）。通过对第一摄像部件和第二摄像部件的预览数据进行分析，获取终端设备的环境亮度值以及脸部亮度值，通过对这些亮度值的分析，可以更加精确的设置合适的屏幕亮度，以改善用户体验。

Description

一种屏幕亮度调节的方法和装置 技术领域
本发明终端设备领域，具体涉及屏幕亮度调节的方法和装置。
背景技术
随着手机等终端设备的普及，手机和人类生活联系越来越紧密，人们使用手机的时间也越来越长，但问题也随之而来，如果人们在黑暗的屋子里使用手机，屏幕就会非常刺眼，容易造成眼睛疲劳，如果在户外使用手机，户外的阳光比手机屏幕的光要强很多，造成屏幕的字看不清楚。目前，解决这种问题的普遍使用的技术是通过光感应器件来实现自动控制屏幕亮度，屏幕亮度控制的精确度不高。
发明内容
本发明实施例提供一种屏幕亮度调节的方法和装置，以实现设置更舒适的屏幕亮度，改善用户体验。
本发明实施例提供了一种屏幕亮度调节的方法，应用于终端设备，所述终端设备包括第一摄像部件和第二摄像部件，所述方法包括：
根据所述第一摄像部件获取的预览数据以及所述第二摄像部件获取的预览数据计算用户的脸部亮度值和所述终端设备的环境亮度值；
根据所述脸部亮度值和所述环境亮度值配置所述终端设备的屏幕亮度值。
可选地，所述第一摄像部件为前置摄像部件，所述第二摄像部件为后置摄像部件；
所述环境亮度值包括前方环境亮度值和后方环境亮度值；
根据所述第一摄像部件以及所述第二摄像部件获取的预览数据计算用户的脸部亮度值和所述终端设备的环境亮度值包括：
根据所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值；
根据所述后置摄像部件获取的预览数据计算所述后方环境亮度值。
可选地，根据所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值包括：
根据所述前置摄像部件获取的预览数据计算所述用户的脸部坐标；
根据所述前置摄像部件获取的预览数据以及所述脸部坐标计算所述用户的脸部亮度值和所述前方环境亮度值。
可选地，根据所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值后还包括：关闭所述前置摄像部件；
根据所述后置摄像部件获取的预览数据计算所述后方环境亮度值后还包括：关闭所述后置摄像部件。
可选地，在根据所述脸部亮度值和所述环境亮度值配置所述终端设备的屏幕亮度值后还包括：
将所述终端设备的屏幕亮度调节到所配置的屏幕亮度值。
本发明实施例还提供一种屏幕亮度调节的装置，所述装置包括第一摄像模块和第二摄像模块，所述装置还包括：
计算模块，设置为根据所述第一摄像模块获取的预览数据以及所述第二摄像模块获取的预览数据计算用户的脸部亮度值和所述终端设备的环境亮度值；
控制模块，设置为根所述计算模块计算的所述脸部亮度值和所述环境亮度值配置所述终端设备的屏幕亮度值。
可选地，所述第一摄像模块为前置摄像部件，所述第二摄像模块包括后置摄像部件；
所述环境亮度值包括前方环境亮度值和后方环境亮度值；
所述计算模块是设置为根据所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值；根据所述后置摄像模块获取的预 览数据计算所述后方环境亮度值。
可选地，所述装置还包括人脸识别模块；
所述人脸识别模块设置为根据所述前置摄像部件获取的预览数据计算所述用户的脸部坐标；
所述计算模块是设置为根据所述人脸识别模块计算的所述用户的脸部坐标和所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值。
可选地，所述控制模块还设置为在所述计算模块计算所述用户的脸部亮度值和所述前方环境亮度值后关闭所述前置摄像部件；以及还设置为在所述计算模块计算所述后方环境亮度值后关闭所述后置摄像部件。
可选地，还包括设置模块；
所述设置模块设置为将所述装置的屏幕亮度调节到所述控制模块配置的屏幕亮度值。
本发明实施例还提供一种计算机程序及其载体，所述计算机程序包括程序指令，当该程序指令被终端设备执行时，使得该设备可实施上述屏幕亮度调节的的方法。
本发明实施例提供的上述方案通过对第一摄像部件和第二摄像部件的预览数据进行分析，获取终端设备的环境亮度值以及脸部亮度值，通过对这些亮度值的分析，可以更加精确的设置合适的屏幕亮度，以改善用户体验。
附图概述
图1是本发明实施例的屏幕亮度调节的方法的流程图；
图2是本发明实施例的屏幕亮度调节的方法的另一流程图；
图3是本发明实施例的屏幕亮度调节的装置的结构示意图。
本发明的较佳实施方式
下文中将结合附图对本申请的实施例进行详细说明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。 另外，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
实施例一
如图1所示，本发明实施例提供一种屏幕亮度调节的方法，应用于终端设备，所述终端设备包括第一摄像部件和第二摄像部件，所述方法包括：
步骤S11：根据所述第一摄像部件获取的预览数据以及所述第二摄像部件获取的预览数据计算用户的脸部亮度值和所述终端设备的环境亮度值；
所述第一摄像部件为前置摄像部件，所述第二摄像部件为后置摄像部件；在本发明实施例中，前置摄像部件和后置摄像部件可以是摄像头，也可以是其它可以获取图像的设备。环境亮度值包括前方环境亮度值和后方环境亮度值；根据后置摄像部件获取的预览数据计算后方环境亮度值。
根据所述第一摄像部件以及所述第二摄像部件获取的预览数据计算用户的脸部亮度值和终端设备的环境亮度值包括：
根据前置摄像部件获取的预览数据计算所述用户的脸部亮度值和前方环境亮度值和根据后置摄像部件获取的预览数据计算后方环境亮度值。具体实现时，可以首先根据前置摄像部件获取的预览数据计算所述用户的脸部坐标，然后再根据前置摄像部件获取的预览数据以及脸部坐标计算用户的脸部亮度值和前方环境亮度值，同时根据后置摄像部件获取的预览数据计算后方环境亮度值。
步骤S12：根据所述脸部亮度值和所述环境亮度值配置所述终端设备的屏幕亮度值；
步骤S13：将所述终端设备的屏幕亮度调节到所配置的屏幕亮度值。
可选地，
根据前置摄像部件获取的预览数据计算用户的脸部亮度值和所述前方环境亮度值后还包括：关闭述前置摄像部件；
根据后置摄像部件获取的预览数据计算所述后方环境亮度值后还包括：关闭后置摄像部件。
本发明实施例所述的屏幕亮度调节的方法实现流程可以按照图2所示的步骤执行,其包括以下步骤：
1.用户开启自动调节屏幕亮度设置；
2.定时启动屏幕自动调节功能；
3.打开前摄像头，获取预览数据；
4.将预览数据传到人脸识别模块计算出脸部坐标；
5.亮度计算模块计算出脸部亮度和手机前方环境亮度值；
6.关闭前摄像头；
7.打开后摄像头，获取预览数据；
8.将预览数据传到亮度计算模块，计算出手机后方环境亮度值；
9.关闭后摄像头；
10.根据脸部亮度值和环境亮度值的分析，设置合适的屏幕亮度值；
11.停止。
需要说明的是，本发明实施例屏幕亮度调节的方法不限于上述执行顺序，在其他的实施例中也可以按照其它执行顺序，例如可以先开启后置摄像头获取预览数据，也可以同时开启前置和后置摄像头，对于前置和后置摄像头是否关闭或者关闭顺序也不做具体限定，可以根据具体情况作相应的设备。
下面结合实际场景进一步解释本发明实施例终端设备屏幕亮度调节的方法：
场景一：在户外。
特点：手机前方和后方环境光照强度很强，且亮度高于屏幕亮度。
屏幕亮度：屏幕亮度设置为最高。
场景二：在黑暗的屋子里。
特点：手机前方和后方环境亮度都很暗，且低于屏幕亮度。
屏幕亮度：屏幕亮度设置为最低。
场景三：手机正面朝上放在桌子上。
特点：手机后方环境亮度很暗，前方环境亮度正常。
屏幕亮度：依据前方背景亮度进行设置屏幕亮度。
场景四：手机背面朝上放在桌子上。
特点：手机前方环境亮度很暗，后方环境亮度正常。
屏幕亮度：这种情况视为未使用手机，屏幕亮度设置为最低。
场景五：在有窗的黑屋子里，手机背面朝向窗户。(逆光状态)
特点：手机后方背景亮度高于前方背景亮度。
屏幕亮度：依据后方背景亮度进行设置屏幕亮度。
场景六：在有窗的黑屋子里，手机正面朝向窗户。(顺光状态)
特点：手机前方背景亮度高于后方背景亮度。
屏幕亮度：依据后方背景亮度进行设置屏幕亮度。
场景七：一般情况下，在室内观看手机。
特点：手机前方背景亮度与后方背景亮度相同。
屏幕亮度：依据后方背景亮度进行设置屏幕亮度。
场景八：在室内，近距离使用手机。
特点：手机前方背景亮度与后方背景亮度相同，识别出人脸的面积比较大。
屏幕亮度：人脸距离屏幕太近，调低屏幕亮度。
场景九：手拿着手机，在室内行走，人脸没有面向手机。
特点：手机前方背景亮度与后方背景亮度相同，没有识别出人脸。
屏幕亮度：这种情况视为未使用手机，屏幕亮度设置为最低。
如图3所示，本发明实施例还提供一种屏幕亮度调节的装置，所述装置包括第一摄像模块11和第二摄像模块12，所述装置还包括：
计算模块13，适用于根据所述第一摄像模块获取的预览数据以及所述第二摄像模块获取的预览数据计算用户的脸部亮度值和所述终端设备的环境亮度值；
控制模块14，适用于根所述计算模块计算的所述脸部亮度值和所述环境亮度值配置所述终端设备的屏幕亮度值；
人脸识别模块15，适用于根据所述前置摄像部件获取的预览数据计算所述用户的脸部坐标；
设置模块16，适用于将所述装置的屏幕亮度调节到所述控制模块配置的屏幕亮度值。
可选地，
所述第一摄像模块为前置摄像部件，所述第二摄像模块包括后置摄像部件；
所述环境亮度值包括前方环境亮度值和后方环境亮度值；
所述计算模块适用于根据所述第一摄像模块获取的预览数据以及所述第二摄像模块获取的预览数据计算用户的脸部亮度值和所述终端设备的环境亮度值是指：
根据所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值；根据所述后置摄像模块获取的预览数据计算所述后方环境亮度值。
可选地，
根据所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值是指：
根据所述前置摄像部件获取的预览数据以及所述人脸识别模块计算的所述用户的脸部亮度值和所述前方环境亮度值。
可选地，
所述控制模块还适用于计算所述用户的脸部亮度值和所述前方环境亮度值后关闭所述前置摄像部件；以及还适用于计算所述后方环境亮度值后关闭所述后置摄像部件。
可选地，在实际的操作中可以按照以下三步骤执行：
1.打开前摄像头，将预览数据传到人脸识别模块计算出脸部坐标，然后通知计算模块，根据人脸坐标和前摄像头预览数据，计算出脸部的亮度值和手机前方的环境亮度值，关闭前摄像头；
2.打开后摄像头，将预览数据传到计算模块，计算出手机后方环境亮度值，关闭后摄像头；
3.控制模块根据脸部亮度值和环境亮度值的分析计算出合适的屏幕亮度值，并通知设置模块设置合适的屏幕亮度值。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序来指令相关硬件完成，所述程序可以存储于计算机可读存储介质中，如只读存储器、磁盘或光盘等。可选地，上述实施例的全部或部分步骤也可以使用一个或多个集成电路来实现。相应地，上述实施例中的各模块/模块可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。本申请不限制于任何特定形式的硬件和软件的结合。
当然，本发明还可有其他多种实施例，在不背离本发明精神及其实质的情况下，熟悉本领域的技术人员当可根据本发明作出各种相应的改变和变形，但这些相应的改变和变形都应属于本发明的权利要求的保护范围。
工业实用性
本发明实施例提供的屏幕亮度调节的方案通过对第一摄像部件和第二摄像部件的预览数据进行分析，获取终端设备的环境亮度值以及脸部亮度值，通过对这些亮度值的分析，可以更加精确地设置合适的屏幕亮度，改善用户体验。

Claims (12)

  1. 一种屏幕亮度调节的方法，应用于终端设备，所述终端设备包括第一摄像部件和第二摄像部件，所述方法包括：
    根据所述第一摄像部件获取的预览数据以及所述第二摄像部件获取的预览数据计算用户的脸部亮度值和所述终端设备的环境亮度值；
    根据所述脸部亮度值和所述环境亮度值配置所述终端设备的屏幕亮度值。
  2. 如权利要求1所述的方法，其中：
    所述第一摄像部件为前置摄像部件，所述第二摄像部件为后置摄像部件；
    所述环境亮度值包括前方环境亮度值和后方环境亮度值；
    根据所述第一摄像部件以及所述第二摄像部件获取的预览数据计算用户的脸部亮度值和所述终端设备的环境亮度值包括：
    根据所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值；
    根据所述后置摄像部件获取的预览数据计算所述后方环境亮度值。
  3. 如权利要求2所述的方法，其中：
    根据所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值包括：
    根据所述前置摄像部件获取的预览数据计算所述用户的脸部坐标；
    根据所述前置摄像部件获取的预览数据以及所述脸部坐标计算所述用户的脸部亮度值和所述前方环境亮度值。
  4. 如权利要求2或3所述的方法，其中：
    根据所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值后还包括：关闭所述前置摄像部件；
    根据所述后置摄像部件获取的预览数据计算所述后方环境亮度值后还包括：关闭所述后置摄像部件。
  5. 如权利要求1至4中任一所述的方法，在根据所述脸部亮度值和所述环境亮度值配置所述终端设备的屏幕亮度值后还包括：
    将所述终端设备的屏幕亮度调节到所配置的屏幕亮度值。
  6. 一种屏幕亮度调节的装置，所述装置包括第一摄像模块和第二摄像模块，所述装置还包括：
    计算模块，设置为根据所述第一摄像模块获取的预览数据以及所述第二摄像模块获取的预览数据计算用户的脸部亮度值和所述终端设备的环境亮度值；
    控制模块，设置为根所述计算模块计算的所述脸部亮度值和所述环境亮度值配置所述终端设备的屏幕亮度值。
  7. 如权利要求6所述的装置，其中：
    所述第一摄像模块为前置摄像部件，所述第二摄像模块包括后置摄像部件；
    所述环境亮度值包括前方环境亮度值和后方环境亮度值；
    所述计算模块是设置为根据所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值；根据所述后置摄像模块获取的预览数据计算所述后方环境亮度值。
  8. 如权利要求7所述的装置，所述装置还包括人脸识别模块；
    所述人脸识别模块设置为根据所述前置摄像部件获取的预览数据计算所述用户的脸部坐标；
    所述计算模块是设置为根据所述人脸识别模块计算的所述用户的脸部坐标和所述前置摄像部件获取的预览数据计算所述用户的脸部亮度值和所述前方环境亮度值。
  9. 如权利要求7或8所述的装置，其中：
    所述控制模块还设置为在所述计算模块计算所述用户的脸部亮度值和所述前方环境亮度值后关闭所述前置摄像部件；以及还设置为在所述计算模块计算所述后方环境亮度值后关闭所述后置摄像部件。
  10. 如权利要求6至9中任一所述的装置，还包括设置模块；
    所述设置模块设置为将所述装置的屏幕亮度调节到所述控制模块配置的屏幕亮度值。
  11. 一种计算机程序，包括程序指令，当该程序指令被终端设备执行时，使得该设备可实施权利要求1-5任一项的方法。
  12. 一种载有权利要求11所述计算机程序的载体。
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