CN103617792B - A method for adjusting display terminal screen display and display terminal thereof - Google Patents
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Abstract
本发明公开了一种调节显示终端画面显示的方法，包括步骤：第一步，提取外部装置输入的视频信号的全部亮度；第二步，根据预设的亮度区间亮度范围，将所述视频信号具有的全部亮度划分为多个亮度区间，并预先划分其中的低亮度区间和高亮度区间；第三步，检测每个亮度区间里面每个像素点的亮度，然后统计其中具有的像素点数目；第四步，当所有亮度区间具有的全部像素点中超过一半的像素点是位于所述低亮度区间或者高亮度区间内时，获知所述视频信号的整体亮度分布情况，对应自动执行预设亮度调整操作。本发明公开的一种调节显示终端画面显示的方法及其显示终端，其可在显示终端显示不同画面时，自动调节画面亮度，使显示终端画面具有较佳显示效果。
The invention discloses a method for adjusting the screen display of a display terminal, comprising the steps of: firstly, extracting the entire brightness of a video signal input by an external device; Divide the entire brightness into multiple brightness intervals, and pre-divide the low brightness interval and high brightness interval; the third step is to detect the brightness of each pixel in each brightness interval, and then count the number of pixels in it; In the fourth step, when more than half of all pixels in all brightness intervals are located in the low brightness interval or high brightness interval, the overall brightness distribution of the video signal is known, and the corresponding preset brightness is automatically executed. Adjust the operation. The invention discloses a method for adjusting the display of a display terminal picture and the display terminal thereof, which can automatically adjust the brightness of the picture when the display terminal displays different pictures, so that the display terminal picture has a better display effect.
Description
技术领域 technical field
本发明涉及显示技术领域，特别是涉及一种调节显示终端画面显示的方法及其显示终端。 The present invention relates to the field of display technology, in particular to a method for adjusting the screen display of a display terminal and a display terminal thereof.
背景技术 Background technique
随着人类科学技术的不断发展，计算机、电视机、摄像机、照相机等家用电器设备在人们日常生活中越来越普及，已经成为人们生活不可缺少的组成部分。 Along with the continuous development of human science and technology, household appliances such as computers, televisions, video cameras, and cameras have become more and more popular in people's daily lives, and have become an indispensable part of people's lives.
目前，电脑游戏已经越来越受到大众欢迎，用户对游戏画面的品质要求已经越来越高。尤其对专业的游戏玩家来说，需要争分夺秒的抢占优势，现在主流的游戏画面会有很多亮度较暗画面的存在，不能很好的看到清晰的地形或者暗处隐藏的敌人，失之毫里，差之千里。故而用户更加注重显示器对游戏画面的处理效果。 At present, computer games have become more and more popular among the public, and users have higher and higher requirements for the quality of game screens. Especially for professional gamers, it is necessary to race against time to seize the advantage. Now mainstream game screens will have many darker screens, and they cannot see clear terrain or hidden enemies in the dark well. , the difference is thousands of miles. Therefore, users pay more attention to the processing effect of the display on the game screen.
为了提高显示器对亮度较暗画面的处理效果，目前普遍是通过修改颜色伽马曲线（RGB gamma ）以达到亮度较暗部分提亮的效果，显示器的主控制芯片内部如果使用1:1的伽马表（gamma table），显示器调用的就是显示器面板（panel）自身具有的伽马表gamma table曲线，如果显示器的主芯片内部不使用1:1伽马表 gamma table，则将低灰阶亮度的画面部分提高，拉高低灰阶的伽马gamma曲线，实现将低灰阶亮度的画面部提高的效果。 In order to improve the processing effect of the display on the dark screen, it is generally used to modify the color gamma curve (RGB gamma ) to achieve the effect of brightening the dark part. If the main control chip of the display uses a 1:1 gamma Gamma table, what the display uses is the gamma table curve of the display panel itself. If the main chip of the display does not use a 1:1 gamma table inside the gamma table, the low-gray-scale brightness picture Partially improve, pull up the gamma curve of low grayscale, and achieve the effect of partially improving the brightness of the low grayscale screen.
但是，如果将低灰阶亮度的画面部分整体拉高，这样操作后，显示器的暗画面亮度会整体提高，会导致显示器画面整体泛灰白色，画面细节丢失，画面效果不佳，例如该黑的地方不够黑，游戏载入画面一般都应该比较黑，但是整体提亮后，此画面偏白。此外，目前市场上流行的游戏多种多样，不同的游戏画面亮度和色彩成分有差异，由于现有技术的伽马表gamma table固定，不能兼顾所有游戏，现有处理方法只能针对部分游戏画面，因此，给用户日常使用显示器带来不便，严重影响到用户对显示器的产品使用感受。 However, if the part of the screen with low grayscale brightness is raised as a whole, the brightness of the dark screen of the display will be increased as a whole after this operation, which will cause the overall display screen to be gray and white, the details of the screen will be lost, and the picture effect will not be good. Not black enough, the game loading screen should generally be relatively dark, but after the overall brightness is brightened, the screen is white. In addition, there are many kinds of popular games on the market at present, and the brightness and color components of different game screens are different. Since the gamma table gamma table in the prior art is fixed, it cannot take into account all games. The existing processing method can only be used for some game screens Therefore, it brings inconvenience to the user's daily use of the display, and seriously affects the user's experience in using the display product.
因此，目前迫切需要开发出一种技术，其可以在显示终端显示亮度较暗画面时，自动调节画面的亮度，使得显示终端的画面具有较佳的显示效果，，从而可以节约用户宝贵的时间，提高用户使用显示终端时的工作效率，增强用户对显示终端的产品使用感受。 Therefore, there is an urgent need to develop a technology that can automatically adjust the brightness of the screen when the display terminal displays a dark screen, so that the screen of the display terminal has a better display effect, thereby saving valuable time for users. Improve the work efficiency of the user when using the display terminal, and enhance the user's experience of using the display terminal product.
发明内容 Contents of the invention
有鉴于此，本发明的目的是提供一种调节显示终端画面显示的方法及其显示终端，其可以在显示终端显示不同画面时，自动调节画面的亮度，使得显示终端的画面具有较佳的显示效果，使得暗部细节更佳突出，亮度提高，画面整体对比度更好的效果，从而可以节约用户宝贵的时间，提高用户使用显示终端时的工作效率，增强用户对显示终端的产品使用感受，具有重大的生产实践意义。 In view of this, the object of the present invention is to provide a method for adjusting the display of a display terminal screen and the display terminal thereof, which can automatically adjust the brightness of the screen when the display terminal displays different screens, so that the screen of the display terminal has a better display The effect makes the details of the dark part more prominent, the brightness is improved, and the overall contrast of the picture is better, which can save the user's precious time, improve the user's work efficiency when using the display terminal, and enhance the user's experience of using the display terminal product. practical significance of production.
为此，本发明提供了一种调节显示终端画面显示的方法，包括以下步骤： To this end, the present invention provides a method for adjusting the display of a display terminal screen, comprising the following steps:
第一步，提取外部装置输入的视频信号的全部亮度； The first step is to extract the full brightness of the video signal input by the external device;
第二步，根据预设的亮度区间亮度范围，将所述视频信号具有的全部亮度划分为多个亮度区间，并预先划分其中的低亮度区间和高亮度区间； The second step is to divide all the brightness of the video signal into a plurality of brightness intervals according to the preset brightness interval brightness range, and pre-divide the low brightness interval and the high brightness interval;
第三步，检测每个亮度区间里面每个像素点的亮度，然后统计其中具有的像素点数目； The third step is to detect the brightness of each pixel in each brightness interval, and then count the number of pixels in it;
第四步，当所有亮度区间具有的全部像素点中超过一半的像素点是位于所述低亮度区间或者高亮度区间内时，获知所述视频信号的整体亮度分布情况，对应地自动执行预设亮度调整操作。 In the fourth step, when more than half of the pixels in all brightness intervals are located in the low brightness interval or the high brightness interval, the overall brightness distribution of the video signal is known, and the preset is automatically executed accordingly. Brightness adjustment operation.
其中，所述预设亮度调整操作具体为： Wherein, the preset brightness adjustment operation is specifically:
按照预设固定比例提高位于所述低亮度区间内像素点的亮度，以及保持或者按照预设固定比例降低位于所述高亮度区间内像素点的亮度。 Increase the brightness of the pixel points in the low brightness interval according to a preset fixed ratio, and maintain or reduce the brightness of the pixel points in the high brightness interval according to a preset fixed ratio.
其中，在所述预设亮度调整操作中，包括亮度平滑调整步骤： Wherein, in the preset brightness adjustment operation, the brightness smooth adjustment step is included:
当按照预设固定比例提高位于所述低亮度区间内像素点的亮度时，按照预设灰阶幅度逐步提高，以及当按照预设固定比例降低位于所述高亮度区间内像素点的亮度，按照预设灰阶幅度逐步降低。 When increasing the brightness of the pixels located in the low-brightness interval according to the preset fixed ratio, gradually increase according to the preset gray scale range, and when reducing the brightness of the pixels located in the high-brightness interval according to the preset fixed ratio, according to The preset gray scale gradually decreases.
其中，所述外部装置输入的视频信号为YUV信号或者RGB信号。 Wherein, the video signal input by the external device is a YUV signal or an RGB signal.
此外，本发明还提供了一种显示终端，包括： In addition, the present invention also provides a display terminal, including:
亮度提取单元，用于提取外部装置输入的视频信号的全部亮度，然后将提取结果发送给亮度区间划分单元； A brightness extraction unit is used to extract the entire brightness of the video signal input by the external device, and then send the extraction result to the brightness interval division unit;
亮度区间划分单元，与亮度提取单元相连接，用于根据预设的亮度区间亮度范围，将所述视频信号具有的全部亮度划分为多个亮度区间，并预先划分其中的低亮度区间和高亮度区间； The brightness interval division unit is connected with the brightness extraction unit, and is used to divide the entire brightness of the video signal into a plurality of brightness intervals according to the preset brightness interval brightness range, and pre-divide the low brightness interval and the high brightness interval interval;
亮度检测单元，与亮度区间划分单元相连接，用于检测每个亮度区间里面每个像素点的亮度，然后统计其中具有的像素点数目，然后将检测结果发送给亮度调节控制单元； The brightness detection unit is connected with the brightness interval dividing unit, and is used to detect the brightness of each pixel in each brightness interval, and then count the number of pixels therein, and then send the detection result to the brightness adjustment control unit;
亮度调节控制单元，与亮度检测单元相连接，用于当所有亮度区间具有的全部像素点中超过一半的像素点是位于所述低亮度区间或者高亮度区间内时，获知所述视频信号的整体亮度分布情况，对应地自动执行预设亮度调整操作。 The brightness adjustment control unit is connected with the brightness detection unit, and is used to obtain the overall brightness of the video signal when more than half of the pixels in all the brightness intervals are located in the low brightness interval or the high brightness interval. According to the brightness distribution, the default brightness adjustment operation will be automatically performed accordingly.
其中，所述亮度调节控制单元包括： Wherein, the brightness adjustment control unit includes:
低亮度调整模块，与亮度检测单元相连接，用于当所有亮度区间具有的全部像素点中超过一半的像素点是位于所述低亮度区间，按照预设固定比例提高位于所述低亮度区间内像素点的亮度； The low-brightness adjustment module is connected with the brightness detection unit, and is used to increase the pixels located in the low-brightness range according to a preset fixed ratio when more than half of the pixels in all the brightness ranges are located in the low-brightness range. The brightness of the pixel;
高亮度调整模块，与亮度检测单元相连接，用于当所有亮度区间具有的全部像素点中超过一半的像素点是位于高亮度区间内时，保持或者按照预设固定比例降低位于所述高亮度区间内像素点的亮度。 The high-brightness adjustment module is connected with the brightness detection unit, and is used to maintain or reduce the pixels located in the high-brightness range according to a preset fixed ratio when more than half of the pixels in all the brightness ranges are in the high-brightness range. The brightness of the pixels in the interval.
其中，所述低亮度调整模块中包括第一亮度平滑调整子模块，用于当按照预设固定比例提高位于所述低亮度区间内像素点的亮度时，按照预设灰阶幅度逐步提高； Wherein, the low-brightness adjustment module includes a first brightness smoothing adjustment sub-module, which is used to gradually increase according to a preset gray scale when increasing the brightness of a pixel located in the low-brightness interval according to a preset fixed ratio;
所述高亮度调整模块中包括第二亮度调整子模块，用于当按照预设固定比例降低位于所述高亮度区间内像素点的亮度，按照预设灰阶幅度逐步降低。 The high-brightness adjustment module includes a second brightness adjustment sub-module, which is used to reduce the brightness of the pixels located in the high-brightness interval according to a preset fixed ratio, and gradually reduce according to a preset gray scale range.
其中，所述外部装置输入的视频信号为YUV信号或者RGB信号。 Wherein, the video signal input by the external device is a YUV signal or an RGB signal.
其中，所述亮度提取单元为图形处理器GPU。 Wherein, the brightness extraction unit is a graphics processing unit GPU.
由以上本发明提供的技术方案可见，与现有技术相比较，本发明提供了一种调节显示终端画面显示的方法及其显示终端，其首先提取外部装置输入的视频信号的全部亮度，然后根据预设的亮度区间亮度范围，将所述视频信号具有的全部亮度划分为多个亮度区间，并预先划分其中的低亮度区间和高亮度区间，接着检测每个亮度区间里面每个像素点的亮度，然后统计其中具有的像素点数目（即分布情况），当所有亮度区间具有的全部像素点中超过一半的像素点是位于所述低亮度区间或者高亮度区间内时，获知所述视频信号的整体亮度分布情况，对应地自动执行预设亮度调整操作。因此，本发明可以在显示终端显示不同画面时，自动调节画面的亮度，使得显示终端的画面具有较佳的显示效果，使得暗部细节更佳突出，亮度提高，画面整体对比度更好的效果，从而可以节约用户宝贵的时间，提高用户使用显示终端时的工作效率，增强用户对显示终端的产品使用感受，具有重大的生产实践意义。 It can be seen from the above technical solutions provided by the present invention that, compared with the prior art, the present invention provides a method for adjusting the display of a display terminal screen and its display terminal, which first extracts the full brightness of the video signal input by the external device, and then according to The brightness range of the preset brightness interval divides the entire brightness of the video signal into multiple brightness intervals, and pre-divides the low brightness interval and the high brightness interval, and then detects the brightness of each pixel in each brightness interval , and then count the number of pixels in it (that is, the distribution), and when more than half of the pixels in all the brightness intervals are located in the low-brightness interval or high-brightness interval, it is known that the video signal According to the overall brightness distribution, the default brightness adjustment operation will be automatically performed accordingly. Therefore, the present invention can automatically adjust the brightness of the screen when the display terminal displays different screens, so that the screen of the display terminal has a better display effect, makes the details of the dark part more prominent, the brightness is improved, and the overall contrast of the screen is better. It can save the valuable time of the user, improve the work efficiency of the user when using the display terminal, and enhance the user's experience of using the display terminal product, which has great practical significance in production.
附图说明 Description of drawings
图1为本发明提供的一种调节显示终端画面显示的方法的流程图； FIG. 1 is a flow chart of a method for adjusting a display terminal screen display provided by the present invention;
图2为本发明提供的一种显示终端的结构示意图。 FIG. 2 is a schematic structural diagram of a display terminal provided by the present invention.
具体实施方式 Detailed ways
为了使本技术领域的人员更好地理解本发明方案，下面结合附图和实施方式对本发明作进一步的详细说明。 In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
参见图1，本发明提供的一种调节显示终端画面显示的方法，包括以下步骤： Referring to Fig. 1, a method for adjusting the display of a display terminal screen provided by the present invention includes the following steps:
步骤S101：提取外部装置（例如一台计算机）输入的视频信号的全部亮度；步骤S102：根据预设的亮度区间亮度范围，将所述视频信号具有的全部亮度划分为多个亮度区间，并预先划分其中的低亮度区间和高亮度区间； Step S101: Extract the entire brightness of the video signal input by an external device (such as a computer); Step S102: Divide the entire brightness of the video signal into multiple brightness intervals according to the preset brightness interval brightness range, and pre-set Divide the low-brightness interval and the high-brightness interval;
步骤S103：检测每个亮度区间里面每个像素点的亮度，然后统计其中具有的像素点数目（即分布情况）； Step S103: Detect the brightness of each pixel in each brightness interval, and then count the number of pixels in it (that is, the distribution);
步骤S104：当所有亮度区间具有的全部像素点中超过一半的像素点是位于所述低亮度区间或者高亮度区间内时，获知所述视频信号的整体亮度分布情况，对应地自动执行预设亮度调整操作。 Step S104: When more than half of all pixels in all brightness intervals are located in the low-brightness interval or high-brightness interval, the overall brightness distribution of the video signal is known, and the preset brightness is automatically executed accordingly. Adjust the operation.
在本发明中，所述显示终端可以包括手机、PDA（掌上电脑）、移动PC、平板电脑、计算机显示器等任何一种具有画面显示功能的装置。 In the present invention, the display terminal may include any device with a screen display function such as a mobile phone, a PDA (handheld computer), a mobile PC, a tablet computer, or a computer monitor.
在本发明中，需要说明的是，外部装置输入的视频信号可以是所述显示终端支持显示的各种视频信号，所述外部装置输入的视频信号可以包括YUV信号或者RGB信号。 In the present invention, it should be noted that the video signal input by the external device may be various video signals supported by the display terminal, and the video signal input by the external device may include a YUV signal or an RGB signal.
对于本发明，在步骤S102中，所述预设的亮度区间亮度范围可以根据用户的需要进行设定，例如当所述视频信号（如YUV信号）具有的全部亮度具有256灰阶（0~255灰阶）的亮度时，可以设定16灰阶为预设的亮度区间亮度范围，然后对所述视频信号具有的全部亮度进行划分，划分为16个亮度区间。需要说明的是，这256个灰度就是按照从黑到白、从低亮度到高亮度的次序排列的，对于本发明，可以预先划分其中的低亮度区间为：0~15灰度区间、16~31灰度区间和32~47灰度区间，当然还可以根据用户的需要，提前划分其他的灰度区间作为低亮度区间；可以预先划分其中高亮度区间为：224~239灰度区间和240~255灰度区间，当然根据用户的需要，还可以提前划分其他不同的灰度区间作为高亮度区间。需要说明的是，对于本发明，在步骤S104中，所述预设亮度调整操作具体为： For the present invention, in step S102, the brightness range of the preset brightness interval can be set according to the needs of the user, for example, when the video signal (such as a YUV signal) has a total brightness of 256 gray levels (0~255 grayscale) brightness, 16 grayscales can be set as the preset brightness interval brightness range, and then all the brightness of the video signal is divided into 16 brightness intervals. It should be noted that these 256 gray scales are arranged in the order from black to white, from low brightness to high brightness. For the present invention, the low brightness range can be pre-divided into: 0~15 gray range, 16 ~31 grayscale interval and 32~47 grayscale interval, of course, other grayscale intervals can be divided in advance as low-brightness intervals according to user needs; high-brightness intervals can be pre-divided as: 224~239 grayscale intervals and 240 ~255 gray-scale intervals, of course, according to the needs of users, other different gray-scale intervals can be divided in advance as high-brightness intervals. It should be noted that, for the present invention, in step S104, the preset brightness adjustment operation is specifically:
按照预设固定比例提高位于所述低亮度区间内像素点的亮度，以及保持或者按照预设固定比例降低位于所述高亮度区间内像素点的亮度。 Increase the brightness of the pixel points in the low brightness interval according to a preset fixed ratio, and maintain or reduce the brightness of the pixel points in the high brightness interval according to a preset fixed ratio.
对于本发明，在所述预设亮度调整操作中，为了对亮度调节进行平滑smooth化处理，亮暗渐变过渡，不会出现画面突然提亮的负面作用，可以包括亮度平滑调整步骤： For the present invention, in the preset brightness adjustment operation, in order to perform smoothing processing on the brightness adjustment, the gradual transition between light and dark, without the negative effect of suddenly brightening the picture, may include a brightness smoothing adjustment step:
当按照预设固定比例提高位于所述低亮度区间内像素点的亮度时，按照预设灰阶幅度逐步提高，以及当按照预设固定比例降低位于所述高亮度区间内像素点的亮度，按照预设灰阶幅度（例如每一灰阶幅度或在每二灰阶幅度）逐步降低。 When increasing the brightness of the pixels located in the low-brightness interval according to the preset fixed ratio, gradually increase according to the preset gray scale range, and when reducing the brightness of the pixels located in the high-brightness interval according to the preset fixed ratio, according to The preset gray scale range (for example, every gray scale range or every second gray scale range) decreases gradually.
因此，与现有技术相比较，对于本发明提供的一种调节显示终端画面显示的方法，其首先提取外部装置输入的视频信号的全部亮度，然后根据预设的亮度区间亮度范围，将所述视频信号具有的全部亮度划分为多个亮度区间，并预先划分其中的低亮度区间和高亮度区间，接着检测每个亮度区间里面每个像素点的亮度，然后统计其中具有的像素点数目（即分布情况），当所有亮度区间具有的全部像素点中超过一半的像素点是位于所述低亮度区间或者高亮度区间内时，获知所述视频信号的整体亮度分布情况，对应地自动执行预设亮度调整操作。因此，本发明可以在显示终端显示不同画面时，自动调节画面的亮度，使得显示终端的画面具有较佳的显示效果，使得暗部细节更佳突出，亮度提高，画面整体对比度更好的效果，从而可以节约用户宝贵的时间，提高用户使用显示终端时的工作效率，增强用户对显示终端的产品使用感受，具有重大的生产实践意义。 Therefore, compared with the prior art, for a method for adjusting the display of the display terminal screen provided by the present invention, it first extracts the entire brightness of the video signal input by the external device, and then according to the preset brightness interval brightness range, the The entire brightness of the video signal is divided into multiple brightness intervals, and the low brightness interval and high brightness interval are pre-divided, and then the brightness of each pixel in each brightness interval is detected, and then the number of pixels in it is counted (ie Distribution), when more than half of all pixels in all brightness intervals are located in the low brightness interval or high brightness interval, the overall brightness distribution of the video signal is known, and the preset is automatically executed accordingly. Brightness adjustment operation. Therefore, the present invention can automatically adjust the brightness of the screen when the display terminal displays different screens, so that the screen of the display terminal has a better display effect, makes the details of the dark part more prominent, the brightness is improved, and the overall contrast of the screen is better. It can save the valuable time of the user, improve the work efficiency of the user when using the display terminal, and enhance the user's experience of using the display terminal product, which has great practical significance in production.
参见图2，具体实现上，基于上述本发明提供的一种调节显示终端画面显示的方法，本发明还提供了一种显示终端，包括： Referring to Fig. 2, in terms of specific implementation, based on the above-mentioned method for adjusting the screen display of a display terminal provided by the present invention, the present invention also provides a display terminal, including:
亮度提取单元201，用于提取外部装置（例如一台计算机）输入的视频信号的全部亮度，然后将提取结果发送给亮度区间划分单元； A brightness extraction unit 201, configured to extract the entire brightness of a video signal input by an external device (such as a computer), and then send the extraction result to the brightness interval division unit;
亮度区间划分单元202，与亮度提取单元201相连接，用于根据预设的亮度区间亮度范围，将所述视频信号具有的全部亮度划分为多个亮度区间，并预先划分其中的低亮度区间和高亮度区间； The luminance interval division unit 202 is connected with the luminance extraction unit 201, and is used for dividing the entire luminance of the video signal into a plurality of luminance intervals according to the preset luminance interval luminance range, and pre-dividing the low luminance interval and the luminance interval among them. High brightness interval;
亮度检测单元203，与亮度区间划分单元202相连接，用于检测每个亮度区间里面每个像素点的亮度，然后统计其中具有的像素点数目（即分布情况），然后将检测结果发送给亮度调节控制单元； The brightness detection unit 203 is connected with the brightness interval dividing unit 202, and is used to detect the brightness of each pixel in each brightness interval, and then count the number of pixels in it (that is, the distribution), and then send the detection result to the brightness adjustment control unit;
亮度调节控制单元204，与亮度检测单元203相连接，用于当所有亮度区间具有的全部像素点中超过一半的像素点是位于所述低亮度区间或者高亮度区间内时，获知所述视频信号的整体亮度分布情况，对应地自动执行预设亮度调整操作。 The brightness adjustment control unit 204 is connected to the brightness detection unit 203, and is used to obtain the video signal when more than half of the pixels in all the brightness intervals are located in the low brightness interval or the high brightness interval. According to the overall brightness distribution, the preset brightness adjustment operation will be automatically performed accordingly.
在本发明中，所述显示终端可以包括手机、PDA（掌上电脑）、移动PC、平板电脑、计算机显示器等任何一种具有画面显示功能的装置。 In the present invention, the display terminal may include any device with a screen display function such as a mobile phone, a PDA (handheld computer), a mobile PC, a tablet computer, or a computer monitor.
在本发明中，外部装置输入的视频信号可以是所述显示终端支持显示的各种视频信号，所述外部装置输入的视频信号可以包括YUV信号或者RGB信号。 In the present invention, the video signal input by the external device may be various video signals supported by the display terminal, and the video signal input by the external device may include a YUV signal or an RGB signal.
对于本发明，对于画面区间划分单元202，所述预设的亮度区间亮度范围可以根据用户的需要进行设定，例如当所述视频信号（如YUV信号）具有的全部亮度具有256灰阶的亮度时，可以设定16灰阶为预设的亮度区间亮度范围，然后画面区间划分单元202对所述视频信号具有的全部亮度进行划分，划分为16个亮度区间。需要说明的是，这256个灰度就是按照从黑到白、从低亮度到高亮度的次序排列的，对于本发明，可以预先划分其中的低亮度区间为：0~15灰度区间、16~31灰度区间和32~47灰度区间，当然还可以根据用户的需要，提前划分其他的灰度区间作为低亮度区间；可以预先划分其中高亮度区间为：224~239灰度区间和240~255灰度区间，当然根据用户的需要，还可以提前划分其他不同的灰度区间作为高亮度区间。需要说明的是，对于本发明，对于亮度调节控制单元204，所述预设亮度调整操作具体可以为：按照预设固定比例提高位于所述低亮度区间内像素点的亮度，以及保持或者按照预设固定比例降低位于所述高亮度区间内像素点的亮度。因此，所述亮度调节控制单元包括： For the present invention, for the screen interval division unit 202, the preset brightness interval brightness range can be set according to the needs of the user, for example, when the video signal (such as YUV signal) has a brightness of 256 gray levels in all brightness 16 grayscales can be set as the preset brightness range of the brightness interval, and then the picture interval dividing unit 202 divides all the brightness of the video signal into 16 brightness intervals. It should be noted that these 256 gray scales are arranged in the order from black to white, from low brightness to high brightness. For the present invention, the low brightness range can be pre-divided into: 0~15 gray range, 16 ~31 grayscale interval and 32~47 grayscale interval, of course, other grayscale intervals can be divided in advance as low-brightness intervals according to user needs; high-brightness intervals can be pre-divided as: 224~239 grayscale intervals and 240 ~255 gray-scale intervals, of course, according to the needs of users, other different gray-scale intervals can be divided in advance as high-brightness intervals. It should be noted that, for the present invention, for the brightness adjustment control unit 204, the preset brightness adjustment operation may specifically be: increase the brightness of the pixel located in the low brightness interval according to a preset fixed ratio, and maintain or adjust the brightness according to a preset ratio. A fixed ratio is set to reduce the brightness of the pixels located in the high brightness interval. Therefore, the brightness adjustment control unit includes:
低亮度调整模块，与亮度检测单元相连接，用于当所有亮度区间具有的全部像素点中超过一半的像素点是位于所述低亮度区间，按照预设固定比例提高位于所述低亮度区间内像素点的亮度； The low-brightness adjustment module is connected with the brightness detection unit, and is used to increase the pixels located in the low-brightness range according to a preset fixed ratio when more than half of the pixels in all the brightness ranges are located in the low-brightness range. The brightness of the pixel;
高亮度调整模块，与亮度检测单元相连接，用于当所有亮度区间具有的全部像素点中超过一半的像素点是位于高亮度区间内时，保持或者按照预设固定比例降低位于所述高亮度区间内像素点的亮度。 The high-brightness adjustment module is connected with the brightness detection unit, and is used to maintain or reduce the pixels located in the high-brightness range according to a preset fixed ratio when more than half of the pixels in all the brightness ranges are in the high-brightness range. The brightness of the pixels in the interval.
对于本发明，在所述预设亮度调整操作中，为了对亮度调节进行平滑smooth化处理，亮暗渐变过渡，不会出现画面突然提亮的负面作用，所述低亮度调整模块中包括第一亮度平滑调整子模块，用于当按照预设固定比例提高位于所述低亮度区间内像素点的亮度时，按照预设灰阶幅度逐步提高； For the present invention, in the preset brightness adjustment operation, in order to perform smoothing processing on the brightness adjustment, the light and dark gradient transition will not cause the negative effect of suddenly brightening the picture, the low brightness adjustment module includes the first The brightness smoothing adjustment sub-module is used to gradually increase the brightness of the pixels located in the low brightness range according to the preset gray scale when increasing the brightness of the pixel in the low brightness range according to the preset fixed ratio;
所述高亮度调整模块中包括第二亮度调整子模块，用于当按照预设固定比例降低位于所述高亮度区间内像素点的亮度，按照预设灰阶幅度（例如每一灰阶幅度或在每二灰阶幅度）逐步降低。 The high-brightness adjustment module includes a second brightness adjustment sub-module, which is used to reduce the brightness of the pixels located in the high-brightness interval according to a preset fixed ratio, according to the preset gray scale range (for example, each gray scale range or In every two grayscale amplitudes) gradually decrease.
在本发明中，所述显示终端可以包括显示器和一体机等任何一种具有画面显示功能的装置。 In the present invention, the display terminal may include any device with a screen display function such as a display or an all-in-one machine.
在本发明中，具体实现上，所述信号检测显示单元201优选为图形处理器GPU（即一个显示芯片）， In the present invention, in terms of specific implementation, the signal detection and display unit 201 is preferably a graphics processor GPU (that is, a display chip),
在本发明中，所述画面区间划分单元202、画面亮度检测单元203和亮度调节控制单元204可以为安装在所述显示终端主板上的中央处理器CPU、数字信号处理器DSP或者单片机MCU。 In the present invention, the screen interval division unit 202, screen brightness detection unit 203 and brightness adjustment control unit 204 may be a central processing unit CPU, a digital signal processor DSP or a single-chip microcomputer MCU installed on the mainboard of the display terminal.
因此，对于本发明提供的一种显示终端，其首先提取外部装置输入的视频信号的全部亮度，然后根据预设的亮度区间亮度范围，将所述视频信号具有的全部亮度划分为多个亮度区间，并预先划分其中的低亮度区间和高亮度区间，接着检测每个亮度区间里面每个像素点的亮度，然后统计其中具有的像素点数目（即分布情况），当所有亮度区间具有的全部像素点中超过一半的像素点是位于所述低亮度区间或者高亮度区间内时，获知所述视频信号的整体亮度分布情况，对应地自动执行预设亮度调整操作。因此，本发明可以在显示终端显示不同画面时，自动调节画面的亮度，使得显示终端的画面具有较佳的显示效果，使得暗部细节更佳突出，亮度提高，画面整体对比度更好的效果，从而可以节约用户宝贵的时间，提高用户使用显示终端时的工作效率，增强用户对显示终端的产品使用感受，具有重大的生产实践意义。 Therefore, for a display terminal provided by the present invention, it first extracts the entire brightness of the video signal input by the external device, and then divides the entire brightness of the video signal into multiple brightness intervals according to the preset brightness interval brightness range , and pre-divide the low-brightness interval and high-brightness interval, then detect the brightness of each pixel in each brightness interval, and then count the number of pixels in it (that is, the distribution), when all the pixels in all brightness intervals have When more than half of the pixels are located in the low-brightness interval or the high-brightness interval, the overall brightness distribution of the video signal is known, and a preset brightness adjustment operation is automatically performed correspondingly. Therefore, the present invention can automatically adjust the brightness of the screen when the display terminal displays different screens, so that the screen of the display terminal has a better display effect, makes the details of the dark part more prominent, the brightness is improved, and the overall contrast of the screen is better. It can save the valuable time of the user, improve the work efficiency of the user when using the display terminal, and enhance the user's experience of using the display terminal product, which has great practical significance in production.
因此，综上所述，与现有技术相比较，对于本发明提供的一种调节显示终端画面显示的方法及其显示终端，其可以在显示终端显示不同画面时，自动调节画面的亮度，使得显示终端的画面具有较佳的显示效果，使得暗部细节更佳突出，亮度提高，画面整体对比度更好的效果，从而可以节约用户宝贵的时间，提高用户使用显示终端时的工作效率，增强用户对显示终端的产品使用感受，具有重大的生产实践意义。 Therefore, in summary, compared with the prior art, for a method for adjusting display terminal screen display provided by the present invention and its display terminal, it can automatically adjust the brightness of the screen when the display terminal displays different screens, so that The screen of the display terminal has a better display effect, which makes the details of the dark part more prominent, the brightness is improved, and the overall contrast of the screen is better, which can save the user's precious time, improve the user's work efficiency when using the display terminal, and enhance the user. Displaying the user experience of terminal products has great practical significance in production.
通过使用本发明提供的显示终端，可以使得人们生活的便利性得到很大的提高，极大地提高了人们的生活水平。 By using the display terminal provided by the present invention, the convenience of people's lives can be greatly improved, and people's living standards can be greatly improved.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。 The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9858850B2 (en) | 2014-08-08 | 2018-01-02 | Benq Corporation | Image adjusting method and related display |
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| CN103617792A (en) | 2014-03-05 |
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