WO2019192406A1 - 一种提升显示画质的方法、系统及存储介质 - Google Patents

一种提升显示画质的方法、系统及存储介质 Download PDF

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Publication number
WO2019192406A1
WO2019192406A1 PCT/CN2019/080569 CN2019080569W WO2019192406A1 WO 2019192406 A1 WO2019192406 A1 WO 2019192406A1 CN 2019080569 W CN2019080569 W CN 2019080569W WO 2019192406 A1 WO2019192406 A1 WO 2019192406A1
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color temperature
display screen
current frame
dynamic
histogram
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PCT/CN2019/080569
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English (en)
French (fr)
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刘英姿
李建强
文东
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深圳Tcl新技术有限公司
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Publication of WO2019192406A1 publication Critical patent/WO2019192406A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/73Colour balance circuits, e.g. white balance circuits or colour temperature control

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  • the invention relates to a liquid crystal display technology, and in particular to a method, a system and a storage medium for improving display image quality.
  • TV sets have already become the must-have appliances for families.
  • TV sets are no longer just used to watch TV programs. They have already become the multimedia center of the family. Based on this, people have put forward higher requirements for the quality of smart TVs.
  • the TV plays the same picture, it will have different display effects at different TV color temperatures. For example, a cold-colored picture of a blue sky and green grass will appear as blue sky and gray when the warm color is warm, and the grass is yellow and cold.
  • the color temperature Under the color temperature, it will be more transparent, fresh and natural; while in the warm-toned picture of candlelight dinner, the warm color will be more colored, and it will be deserted under the cool color temperature, but it will be warmer under the warm color temperature. Since the color temperature of the current TV is static, it will not be dynamically adjusted with the picture. If the color temperature is used, the quality of the warm color will be poor. Otherwise, the warm color temperature will be used, and the quality of the cool color will be poor. The intermediate color temperature, the cold, warm color of the picture quality is not optimal. Therefore, in the screens of various colors displayed in the television in the prior art, since the color temperature of the display does not match the displayed picture, it is difficult to achieve an ideal picture display effect, and the intelligent function of the smart TV cannot be better reflected.
  • the present invention solves the defects and deficiencies of the prior art, and proposes a method for improving the image quality.
  • the entire screen color is divided into 32 types according to the hue by the movement, and each frame is obtained.
  • the histogram of the hue distribution in hue, according to the weight of each color in the histogram, calls different color temperature parameters, so that the display screen has the most suitable color temperature for each frame, and improves the overall picture quality of the displayed picture.
  • a method for improving the image quality which is used to dynamically control the color temperature so that all the images can be matched to the corresponding optimal color temperature to improve the overall image quality, including the following steps:
  • the color of the picture is divided into 32 colors according to the color tone
  • the system displays the current frame display screen according to the calculated target color temperature R, G, and B values.
  • the color of the picture is divided into 32 kinds of hue according to the hue, and the picture color is divided into 32 kinds of hue according to the hue from the 16000K cold color temperature zone to the 1800K warm color temperature zone.
  • obtaining the histogram of the tone distribution in each frame picture in the above step B specifically includes the following steps:
  • the color of each frame display screen is divided according to the 32 color tones
  • the position distribution and weight of the 32 tones corresponding to the hue in each frame of the display are analyzed, and the histogram of the hue distribution in each frame of the display is obtained.
  • the step C determines that the dynamic color temperature function coefficient is based on the hue distribution histogram of the display picture of each frame, and analyzes the ratio of the warm and cold color of the hue distribution histogram, and determines the weight ratio according to the warm and cold color tone. Dynamic color temperature function coefficient.
  • the target color temperature R, G, and B values corresponding to the current frame display screen are calculated according to the dynamic color temperature function coefficient in the above step D, which is a ratio of the warm and cold tone weights according to the histogram of the tone distribution in the current frame display screen.
  • the determined dynamic color temperature function coefficients are respectively multiplied by the original frame display picture original color temperature R, G, B values to obtain the corresponding target color temperature R, G, B values.
  • step E specifically includes:
  • the control screen adjusts the display color temperature according to the color temperature corresponding to the current frame display screen to match the color temperature corresponding to the current frame display screen;
  • the control screen displays the adjusted current frame display screen.
  • the foregoing step E2 specifically includes: the color temperature value corresponding to the current frame display screen obtained by the dynamic color temperature algorithm calculation process is more cold, and the screen calls the cold corresponding to the corresponding color temperature according to the calculation result. Color temperature.
  • the foregoing step E2 specifically includes: the color temperature value corresponding to the current frame display screen obtained by the dynamic color temperature algorithm calculation process is more warm, and the screen is matched with the corresponding color temperature according to the calculation result. Warm color temperature.
  • the invention also provides a system for improving display image quality, for dynamically controlling color temperature, so that all pictures can be matched to corresponding optimal color temperature, the system comprises: a tone division module, a histogram acquisition module, a dynamic color temperature function coefficient Obtaining a module, a dynamic color temperature algorithm module, and a screen display module;
  • the tone division module is configured to divide a picture color into 32 colors according to a color tone
  • the histogram obtaining module is configured to acquire a histogram of a tone distribution in a display screen of each frame;
  • the dynamic color temperature function coefficient obtaining module is configured to acquire a dynamic color temperature function coefficient of each frame display screen
  • the dynamic color temperature algorithm module is configured to calculate a target color temperature R, G, and B values corresponding to each frame display screen;
  • the screen display module is configured to output a current frame display screen corresponding to the target color temperature R, G, and B values to the display screen.
  • the color division module specifically divides the entire picture color from the 16000K cold color temperature zone to the 1800K warm color temperature zone according to the color tone into 32 types.
  • the histogram acquisition module specifically includes the following functions:
  • the color of each frame display screen is divided according to the 32 color tones
  • the position distribution and weight of the 32 tones corresponding to the hue in each frame of the display are analyzed, and the histogram of the hue distribution in each frame of the display is obtained.
  • the dynamic color temperature function coefficient acquisition module specifically analyzes the ratio of the warm and cold tone of the histogram of the hue distribution according to the histogram of the hue distribution of the display picture of each frame, and according to the weight ratio of the warm and cold color tone Determine the dynamic color temperature function coefficient.
  • the dynamic color temperature algorithm module specifically multiplies the dynamic color temperature function coefficients determined according to the ratio of the warm and cold tone weights of the tone distribution histogram in the current frame display picture by the current frame display picture original color temperature R, G,
  • the B value is obtained by obtaining the corresponding target color temperature R, G, and B values.
  • the screen display module specifically includes the following functions:
  • the adjusted current frame display screen is displayed.
  • the present invention also provides a storage medium storing a program for improving display image quality, wherein the program for improving image quality is executed by a processor to implement the above-described method of improving image quality.
  • the present invention divides the entire picture color into 32 types according to the hue hue by the movement, and acquires a histogram of the hue distribution of the hue in each frame display picture.
  • the dynamic color temperature function coefficient is determined according to the weight ratio of each color in the histogram, and the color temperature value corresponding to the picture is calculated by the dynamic color temperature algorithm, and the display screen adjusts the display color temperature display screen according to the color temperature value corresponding to the picture.
  • the dynamic control color temperature is achieved, and the display color of each frame can be adjusted to the optimal color temperature, thereby achieving the purpose of effectively improving the display image quality.
  • Figure 1 is a flow chart of a preferred embodiment of a method of improving display quality of the present invention.
  • FIG. 2 is a block diagram showing the structure of a preferred embodiment of a system for improving display image quality according to the present invention.
  • the invention provides a method for improving the display image quality, which is used for dynamically controlling the color temperature, so that all the pictures can be matched to the corresponding optimal color temperature to improve the overall picture quality effect, and FIG. 1 shows a lifting picture of the present invention.
  • Qualitative Method A flowchart of a preferred embodiment, the preferred embodiment of the invention includes the following steps:
  • step S100 the color of the picture is divided into 32 kinds of colors according to the color tone.
  • the entire picture color is divided into 32 types according to the hue hue, and the entire picture color is divided into 32 kinds of hue according to the hue from the 16000K cold color temperature zone to the 1800K warm color temperature zone.
  • step S200 a histogram of the tone distribution in the display screen of each frame is obtained.
  • the step of acquiring a histogram of the hue distribution of the hue in each frame display screen includes:
  • the color of each frame display screen is divided according to the 32 color tones
  • the position distribution and weight of the 32 tones corresponding to the hue in each frame of the display are analyzed, and the histogram of the hue distribution in each frame of the display is obtained.
  • step S300 a dynamic color temperature function coefficient is determined.
  • the dynamic color temperature function coefficient is determined, and after the movement acquires the histogram of the hue distribution of the hue of each frame display screen, the histogram of the hue distribution of the hue distribution in each frame display screen is analyzed. The hue ratio is determined, and the dynamic color temperature function coefficient is determined according to the ratio of the hue weight of the hue distribution histogram.
  • Step S400 calculating target color temperature R, G, and B values corresponding to the current frame display screen according to the dynamic color temperature function coefficient.
  • the target color temperature R, G, and B values corresponding to the current frame display screen are calculated, and the dynamic color temperature function coefficient determined by the weight ratio of the cold and warm hue hue according to the histogram of the hue distribution in the current frame display screen is calculated.
  • the dynamic color temperature algorithm calculation process is performed.
  • the dynamic color temperature algorithm is obtained by multiplying the dynamic color temperature function coefficients determined according to the ratio of the warm and cold tone weights of the hue distribution histogram in the current frame display picture by the original color temperature R, G, and B values of the current frame display picture.
  • the target color temperature is achieved by R, G, and B values. Let the original color temperature R, G, B values be R0, G0, B0, the target color temperature R, G, B values are R1, G1, B1, the dynamic color temperature algorithm can calculate the target color temperature R, G, B values according to the following formula 1.
  • r, g and b are three function coefficients, which are obtained according to the ratio of the warm and cold hue weight of the histogram of the hue distribution in the frame display screen.
  • step S500 the system displays the current frame display screen according to the calculated target color temperature R, G, and B values.
  • the color temperature value corresponding to the current frame display image obtained by the dynamic color temperature algorithm calculation process is transmitted to the screen, and the screen adjusts the display color temperature according to the color temperature corresponding to the current picture to match the current frame. Display the color temperature corresponding to the screen, and display the current frame display screen to get the best display effect, such as:
  • the display will call the cool color temperature matching the color temperature corresponding to the natural landscape according to the calculation result, and the displayed picture will be fresh and translucent;
  • the screen with too much warm color will display the warm color temperature matching the color temperature corresponding to the skin color of the person according to the calculation result, so that the displayed picture appears warm and soft, and the purpose of improving the display quality is achieved.
  • the present invention also provides a system for improving display image quality, which is used for dynamically controlling the color temperature, so that all the pictures can be matched to the corresponding optimal color temperature to improve the overall image quality, as shown in FIG.
  • a structural block diagram of a preferred embodiment of the system for improving image quality the system comprising: a tone division module 10, a histogram acquisition module 20, a dynamic color temperature function coefficient acquisition module 30, a dynamic color temperature algorithm module 40, and a screen display module 50.
  • the tone division module 10 is configured to divide the picture color into 32 color tones according to the hue hue.
  • the entire picture color is divided into 32 kinds according to the hue hue, and the entire picture color is divided into 32 kinds according to the hue hue from the 16000K cold color temperature zone to the 1800K warm color temperature zone.
  • the histogram acquisition module 20 is configured to acquire a histogram of the hue distribution of the hue of each frame display screen.
  • a histogram of the hue distribution of the hue in each frame display image is obtained, and 32 colors of the entire picture color are divided according to the hue hue according to the movement, and correspondingly, each frame display picture hue corresponds to 32.
  • the dynamic color temperature function coefficient obtaining module 30 is configured to acquire a dynamic color temperature function coefficient of each frame display screen.
  • the dynamic color temperature function coefficient obtaining module 30 is configured to acquire a dynamic color temperature function coefficient of each frame display screen, and after the histogram obtaining module 20 acquires a histogram of the hue distribution of the hue in the current picture, analyze the The ratio of the warm and cold tones of the histogram of the hue distribution in the picture, and the dynamic color temperature function coefficient of the frame display picture is determined according to the weight ratio of the hue weight of the histogram.
  • the dynamic color temperature algorithm module 40 is configured to calculate a target color temperature R, G, and B values corresponding to each frame display screen;
  • the dynamic color temperature algorithm module is configured to calculate a target color temperature R, G, and B value corresponding to each frame display screen, and use a histogram of the histogram according to the current frame to display a cool and warm hue weight ratio according to a histogram of the current frame.
  • the determined dynamic color temperature function coefficient is subjected to a dynamic color temperature algorithm calculation process, and the dynamic color temperature algorithm multiplies the dynamic color temperature function coefficients determined according to the ratio of the warm and cold tone weights of the tone distribution histogram in the current frame display picture by the current frame display picture original color temperature R
  • the G and B values are obtained by obtaining the corresponding target color temperature values R, G, and B.
  • the dynamic color temperature algorithm can calculate the target color temperature R according to the formula 1 in the preferred embodiment of the above method. , G, B values,
  • r, g and b are three function coefficients, which are obtained according to the ratio of the warm and cold hue weight of the histogram of the hue distribution in the frame display screen.
  • the screen display module 50 is configured to output a current frame display screen corresponding to the target color temperature R, G, and B values to the display screen.
  • the target color temperature value corresponding to the current frame display screen calculated by the dynamic color temperature algorithm module 40 is transmitted to the screen, and the screen adjusts the display color temperature according to the color temperature corresponding to the current screen to match the The target color temperature corresponding to the current frame display screen, and display the current frame display screen to obtain the best display effect, such as:
  • the display will call the cool color temperature matching the color temperature corresponding to the natural landscape according to the calculation result, and the displayed picture will be fresh and translucent;
  • the screen with too much warm color will display the warm color temperature matching the color temperature corresponding to the skin color of the person according to the calculation result, so that the displayed picture appears warm and soft, and the purpose of improving the display quality is achieved.
  • the present invention also provides a storage medium, which is a computer readable storage medium, wherein the storage medium stores a program for improving display image quality, and the program for improving display quality is implemented by the processor to achieve the above-mentioned improved display image quality.
  • the steps of the method are a computer readable storage medium, wherein the storage medium stores a program for improving display image quality, and the program for improving display quality is implemented by the processor to achieve the above-mentioned improved display image quality.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

公开一种提升显示画质的方法、系统及存储介质。将画面色彩根据色调划分成32种色调,获取每一帧显示画面中色调分布直方图,确定动态色温函数系数,根据所述动态色温函数系数计算当前帧显示画面对应的目标色温R、G、B值,系统根据计算后的目标色温R、G、B值显示当前帧显示画面。本发明解决了现有技术电视机因不能随着所显示的画面对应的色温相应调整显示屏色温而引起的画面色彩偏差问题,达到了动态控制色温,让每一帧显示画面都能达到最佳色温,达到动态提升显示画质的目的。

Description

一种提升显示画质的方法、系统及存储介质 技术领域
涉及液晶显示技术,尤其涉及一种提升显示画质的方法、系统及存储介质。
背景技术
随着人们生活的改善,电视机早已经成为家庭的必备电器,随着智能电视的走进千家万户,电视机已不再仅仅是用来观看电视节目,早已成为了家庭的多媒体中心。基于此,对智能电视机的画质,人们也提出了更高的要求。目前,电视机在播放同一个画面时在不同的电视色温下会有不同的显示效果,比如一个蓝天绿草地的冷色调画面,在暖色温下会显得蓝天灰朦,绿草枯黄,而在冷色温下则会显得比较通透,清新自然;而在烛光晚餐的暖色调画面中暖色系色彩较多,在冷色温下会显得冷清,但在暖色温下就显得比较温馨。由于目前电视机的色温是静态的,不会随着画面做动态调整,如果使用冷色温,那暖色调的画质就较差,反之使用暖色温,冷色调的画质就较差,如果使用中间色温,那冷、暖色调的画质都达不到最佳状态。因此,现有技术中电视中各种色调显示的画面,由于显示屏色温与所显示的画面不匹配,很难达到理想的画面显示效果,也无法更好体现智能电视的智能功能。
因此,现有技术还有待于改进和发展。
发明内容
鉴于上述现有技术的不足之处,本发明为解决现有技术缺陷和不足,提出了种提升画质的方法,通过机芯把整个画面色彩根据色调hue分成32种,并获取每一帧画面里色调hue分布的直方图,根据直方图里各个色彩的权重来调用不同的色温参数,以实现显示屏对每帧画面都匹配有最合适的色温,提升所显示画面的整体画质效果。
本发明解决技术问题所采用的技术方案如下:
一种提升画质的方法,用于动态控制色温,让所有画面都能匹配到对应的最 佳色温,以提升整体画质效果,包括如下步骤:
A、将画面色彩根据色调划分成32种色调;
B、获取每一帧显示画面中色调分布直方图;
C、确定动态色温函数系数;
D、根据所述动态色温函数系数计算当前帧显示画面对应的目标色温R、G、B值;
E、系统根据计算后的目标色温R、G、B值显示当前帧显示画面。
作为进一步的改进技术方案,上述步骤A中将画面色彩根据色调划分成32种色调是把画面色彩从16000K冷色温区至1800K暖色温区根据色调划分成32种色调。
作为进一步的改进技术方案,上述步骤B中获取每一帧画面中色调分布的直方图具体包括如下步骤:
将每一帧显示画面的色彩根据所述32种色调进行划分;
分析出每一帧显示画面里色调对应32种色调的位置分布及权重,进而获取每一帧显示画面里色调分布直方图。
作为进一步的改进技术方案,上述步骤C确定动态色温函数系数是根据获取到每一帧显示画面的色调分布直方图后,分析所述色调分布直方图的冷暖色调比例,并根据冷暖色调权重比例确定动态色温函数系数。
作为进一步的改进技术方案,上述步骤D中根据所述动态色温函数系数计算当前帧显示画面对应的目标色温R、G、B值是将根据当前帧显示画面中色调分布直方图的冷暖色调权重比例确定的动态色温函数系数分别乘以当前帧显示画面原始色温R、G、B值得到对应的目标色温R、G、B值来实现的。
作为进一步的改进技术方案,上述步骤E具体包括:
E1、将经所述动态色温算法计算处理得到的当前帧显示画面对应的色温值传输给屏幕;
E2、控制屏幕根据所述当前帧显示画面对应的色温调整显示色温,以匹配所述当前帧显示画面对应的色温;
E3、控制屏幕显示调整后的当前帧显示画面。
作为进一步的改进技术方案,上述步骤E2具体包括:经所述动态色温算法 计算处理得到的当前帧显示画面对应的色温值中冷色调较多的,屏幕根据计算结果调用与对应色温相匹配的冷色温。
作为进一步的改进技术方案,上述步骤E2具体还包括:经所述动态色温算法计算处理得到的当前帧显示画面对应的色温值中暖色调较多的,屏幕根据计算结果调用与对应色温相匹配的暖色温。
本发明还提供一种提升显示画质的系统,用于动态控制色温,让所有画面都能匹配到对应的最佳色温,所述系统包括;色调划分模块、直方图获取模块、动态色温函数系数获取模块、动态色温算法模块和屏幕显示模块;
所述色调划分模块,用于将画面色彩根据色调划分成32种色调;
所述直方图获取模块,用于获取每一帧显示画面中色调分布直方图;
所述动态色温函数系数获取模块,用于获取每一帧显示画面的动态色温函数系数;
所述动态色温算法模块,用于计算出每一帧显示画面对应的目标色温R、G、B值;
所述屏幕显示模块,用于将对应目标色温R、G、B值的当前帧显示画面输出到显示屏显示。
作为进一步的改进技术方案,所述色调划分模块具体是将整个画面色彩从16000K冷色温区至1800K暖色温区根据色调划分成32种。
作为进一步的改进技术方案,所述直方图获取模块具体包括如下功能:
将每一帧显示画面的色彩根据所述32种色调进行划分;
分析出每一帧显示画面里色调对应32种色调的位置分布及权重,进而获取每一帧显示画面里色调分布直方图。
作为进一步的改进技术方案,所述动态色温函数系数获取模块具体是根据获取到每一帧显示画面的色调分布直方图后,分析所述色调分布直方图的冷暖色调比例,并根据冷暖色调权重比例确定动态色温函数系数。
作为进一步的改进技术方案,所述动态色温算法模块具体是将根据当前帧显示画面中色调分布直方图的冷暖色调权重比例确定的动态色温函数系数分别乘以当前帧显示画面原始色温R、G、B值得到对应的目标色温R、G、B值来实现的。
作为进一步的改进技术方案,所述屏幕显示模块具体包括如下功能:
获取经动态色温算法模块处理得到的当前帧显示画面对应的色温值;
根据所述当前帧显示画面对应的色温调整显示色温,以匹配所述当前帧显示画面对应的色温;
显示调整后的当前帧显示画面。本发明还提供一种存储介质,所述存储介质存储有提升显示画质的程序,该提升画质的程序被处理器执行时实现上述的提升画质的方法的步骤。
与现有技术电视机无法进行色温调整以匹配所要显示画面的色温相比较,本发明通过机芯把整个画面色彩根据色调hue分成32种,并获取每一帧显示画面里色调hue分布的直方图,根据直方图里各个色彩的权重比例确定动态色温函数系数,通过动态色温算法计算出画面对应的色温值,显示屏根据画面对应的色温值调整显示色温显示画面。通过本发明,达到了动态控制色温,让每一帧显示画面都能调整到最佳色温,达到有效提升显示画质的目的。
附图说明
下面结合附图对本发明的具体实施方式作进一步的说明,其中:
图1是本发明一种提升显示画质的方法优选实施例的流程图。
图2是本发明一种提升显示画质的系统优选实施例的结构原理框图。
具体实施方式
为使本发明的目的、技术方案及优点更加清楚、明确,以下参照附图并举实施例对本发明进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
本发明提供了一种提升显示画质的方法,用于动态控制色温,让所有画面都能匹配到对应的最佳色温,以提升整体画质效果,图1所示是本发明一种提升画质的方法优选实施例的流程图,本发明优选实施例包括如下步骤:
步骤S100,将画面色彩根据色调划分成32种色调。
具体而言,本实施例中,把整个画面色彩根据色调hue划分成32种,是把整个画面色彩从16000K冷色温区至1800K暖色温区根据色调划分成32种色调。
步骤S200,获取每一帧显示画面中色调分布的直方图。
具体而言,本实施例中,获取每一帧显示画面里色调hue分布的直方图的步骤包括:
将每一帧显示画面的色彩根据所述32种色调进行划分;
分析出每一帧显示画面里色调对应32种色调的位置分布及权重,进而获取每一帧显示画面里色调分布直方图。
步骤S300,确定动态色温函数系数。
具体而言,本实施例中,确定动态色温函数系数,机芯获取到每一帧显示画面的色调hue分布的直方图后,分析所述每一帧显示画面里色调hue分布的直方图的冷暖色调hue比例,并根据色调分布直方图的冷暖色调hue权重比例确定动态色温函数系数。
步骤S400,根据所述动态色温函数系数计算当前帧显示画面对应的目标色温R、G、B值。
具体而言,本实施例中,计算当前帧显示画面对应的目标色温R、G、B值,利用根据当前帧显示画面里色调分布的直方图的冷暖色调hue权重比例确定的动态色温函数系数,进行动态色温算法计算处理,动态色温算法是将根据当前帧显示画面中色调分布直方图的冷暖色调权重比例确定的动态色温函数系数分别乘以当前帧显示画面原始色温R、G、B值得到对应的目标色温R、G、B值来实现的。设原始色温R、G、B值分别为R0、G0、B0,目标色温R、G、B值为R1、G1、B1,动态色温算法可根据以下公式一计算目标色温R、G、B值,
R1=r(R0);G1=g(G0);B1=b(B0)   公式一
其中,r、g和b是三个函数系数,根据帧显示画面里色调hue分布的直方图的冷暖色调hue权重比例获取而来。
步骤S500,系统根据计算后的目标色温R、G、B值显示当前帧显示画面。
具体而言,本实施例中,把经动态色温算法计算处理得到的当前帧显示画面对应的色温值传输出给屏幕,屏幕根据所述当前画面对应的色温调整显示色温,以匹配所述当前帧显示画面对应的色温,并显示当前帧显示画面,以得到最佳显示效果的画面,比如:
经过动态色温算法计算处理,自然景观等冷色调较多的,显示屏会根据计算 结果调用与自然景观所对应的色温相匹配的冷色温,所显示的画面就显得清新透亮;而对人物肤色等暖色调偏多的画面,显示屏会根据计算结果调用与人物肤色等所对应的色温相匹配的暖色温,使显示的画面显得温馨柔和,达到提升显示画质效果的目的。
另外,本发明还提供一种提升显示画质的系统,用于动态控制色温,让所有画面都能匹配到对应的最佳色温,以提升整体画质效果,如图2所示是本发明一种提升画质的系统优选实施例的结构原理框图,所述系统包括:色调划分模块10、直方图获取模块20、动态色温函数系数获取模块30、动态色温算法模块40和屏幕显示模块50。
所述色调划分模块10,用于将画面色彩根据色调hue划分成32种色调。
本实施例中,把整个画面色彩根据色调hue划分成32种,是把整个画面色彩从16000K冷色温区至1800K暖色温区根据色调hue划分成32种。
所述直方图获取模块20,用于获取每一帧显示画面的色调hue分布的直方图。
本实施例中,获取每一帧显示画面里色调hue分布的直方图,根据机芯把整个画面色彩根据色调hue划分成的32种色调,对应地,分析出每一帧显示画面色调hue对应32种色调的位置分布及权重,进而由此获取每一帧画面里色调hue分布的直方图。
所述动态色温函数系数获取模块30,用于获取每一帧显示画面的动态色温函数系数。
本实施例中,所述动态色温函数系数获取模块30,用于获取每一帧显示画面的动态色温函数系数,在直方图获取模块20获取当前画面里色调hue分布的直方图后,分析所述画面里色调hue分布的直方图的冷暖色调比例,并根据所述直方图冷暖色调hue权重比例确定帧显示画面的动态色温函数系数。
所述动态色温算法模块40,用于计算出每一帧显示画面对应的目标色温R、G、B值;
本实施例中,所述动态色温算法模块,用于计算出每一帧显示画面对应的目标色温R、G、B值,利用根据当前帧显示画面里色调分布的直方图的冷暖色调hue权重比例确定的动态色温函数系数,进行动态色温算法计算处理,动态色温 算法是将根据当前帧显示画面中色调分布直方图的冷暖色调权重比例确定的动态色温函数系数分别乘以当前帧显示画面原始色温R、G、B值得到对应的目标色温R、G、B值来实现的。设原始色温R、G、B值分别为R0、G0、B0,目标色温R、G、B值为R1、G1、B1,动态色温算法可根据上述方法优选实施例中的公式一计算目标色温R、G、B值,
R1=r(R0);G1=g(G0);B1=b(B0)   公式一
其中,r、g和b是三个函数系数,根据帧显示画面里色调hue分布的直方图的冷暖色调hue权重比例获取而来。
所述屏幕显示模块50,用于将对应目标色温R、G、B值的当前帧显示画面输出到显示屏显示。
具体而言,本实施例中,把经动态色温算法模块40计算处理得到的当前帧显示画面对应的目标色温值传输出给屏幕,屏幕根据所述当前画面对应的色温调整显示色温,以匹配所述当前帧显示画面对应的目标色温,并显示当前帧显示画面,以得到最佳显示效果的画面,比如:
经过动态色温算法计算处理,自然景观等冷色调较多的,显示屏会根据计算结果调用与自然景观所对应的色温相匹配的冷色温,所显示的画面就显得清新透亮;而对人物肤色等暖色调偏多的画面,显示屏会根据计算结果调用与人物肤色等所对应的色温相匹配的暖色温,使显示的画面显得温馨柔和,达到提升显示画质效果的目的。
本发明还提供一种存储介质,存储介质为计算机可读存储介质,所述存储介质存储有提升显示画质的程序,该提升显示画质的程序被处理器执行时实现上述的提升显示画质的方法的步骤。
应当理解的是,以上所述仅为本发明的较佳实施例而已,并不足以限制本发明的技术方案,对本领域普通技术人员来说,在本发明的精神和原则之内,可以根据上述说明加以增减、替换、变换或改进,而所有这些增减、替换、变换或改进后的技术方案,都应属于本发明所附权利要求的保护范围。

Claims (15)

  1. 一种提升显示画质的方法,用于动态控制色温,让所有画面都能匹配到对应的最佳色温,其特征在于,包括如下步骤:
    A、将画面色彩根据色调划分成32种色调;
    B、获取每一帧显示画面中色调分布直方图;
    C、确定动态色温函数系数;
    D、根据所述动态色温函数系数计算当前帧显示画面对应的目标色温R、G、B值;
    E、系统根据计算后的目标色温R、G、B值显示当前帧显示画面。
  2. 根据权利要求1所述的一种提升显示画质的方法,其特征在于,所述步骤A中将画面色彩根据色调划分成32种色调是把画面色彩从16000K冷色温区至1800K暖色温区根据色调划分成32种色调。
  3. 根据权利要求1或2所述的一种提升显示画质的方法,其特征在于,所述步骤B中获取每一帧画面中色调分布的直方图具体包括如下步骤:
    将每一帧显示画面的色彩根据所述32种色调进行划分;
    分析出每一帧显示画面里色调对应32种色调的位置分布及权重,进而获取每一帧显示画面里色调分布直方图。
  4. 根据权利要求3所述的一种提升显示画质的方法,其特征在于,所述步骤C确定动态色温函数系数是根据获取到每一帧显示画面的色调分布直方图后,分析所述色调分布直方图的冷暖色调比例,并根据冷暖色调权重比例确定动态色温函数系数。
  5. 根据权利要求4所述的一种提升显示画质的方法,其特征在于,所述步骤D中根据所述动态色温函数系数计算当前帧显示画面对应的目标色温R、G、B值是将根据当前帧显示画面中色调分布直方图的冷暖色调权重比例确定的动态色温函数系数分别乘以当前帧显示画面原始色温R、G、B值得到对应的目标色温R、G、B值来实现的。
  6. 根据权利要求1所述的一种提升显示画质的方法,其特征在于,所述步骤E具体包括:
    E1、将经所述动态色温算法计算处理得到的当前帧显示画面对应的色温值传输给屏幕;
    E2、控制屏幕根据所述当前帧显示画面对应的色温调整显示色温,以匹配所述当前帧显示画面对应的色温;
    E3、控制屏幕显示调整后的当前帧显示画面。
  7. 根据权利要求6所述的一种提升显示画质的方法,所述步骤E2具体包括:经所述动态色温算法计算处理得到的当前帧显示画面对应的色温值中冷色调较多的,屏幕根据计算结果调用与对应色温相匹配的冷色温。
  8. 根据权利要求6所述的一种提升显示画质的方法,所述步骤E2具体还包括:经所述动态色温算法计算处理得到的当前帧显示画面对应的色温值中暖色调较多的,屏幕根据计算结果调用与对应色温相匹配的暖色温。
  9. 一种提升显示画质的系统,用于动态控制色温,让所有画面都能匹配到对应的最佳色温,其特征在于,所述系统包括:色调划分模块、直方图获取模块、动态色温函数系数获取模块、动态色温算法模块和屏幕显示模块;
    所述色调划分模块,用于将画面色彩根据色调划分成32种色调;
    所述直方图获取模块,用于获取每一帧显示画面中色调分布直方图;
    所述动态色温函数系数获取模块,用于获取每一帧显示画面的动态色温函数系数;
    所述动态色温算法模块,用于计算出每一帧显示画面对应的目标色温R、G、B值;
    所述屏幕显示模块,用于将对应目标色温R、G、B值的当前帧显示画面输出到显示屏显示。
  10. 根据权利要求9所述的一种提升显示画质的系统,其特征在于,所述色调划分模块具体是将整个画面色彩从16000K冷色温区至1800K暖色温区根据色调划分成32种。
  11. 根据权利要求9所述的一种提升显示画质的系统,其特征在于,所述直方图获取模块具体包括如下功能:
    将每一帧显示画面的色彩根据所述32种色调进行划分;
    分析出每一帧显示画面里色调对应32种色调的位置分布及权重,进而获取每一帧显示画面里色调分布直方图。
  12. 根据权利要求9所述的一种提升显示画质的系统,其特征在于,所述动 态色温函数系数获取模块具体是根据获取到每一帧显示画面的色调分布直方图后,分析所述色调分布直方图的冷暖色调比例,并根据冷暖色调权重比例确定动态色温函数系数。
  13. 根据权利要求9所述的一种提升显示画质的系统,其特征在于,所述动态色温算法模块具体是将根据当前帧显示画面中色调分布直方图的冷暖色调权重比例确定的动态色温函数系数分别乘以当前帧显示画面原始色温R、G、B值得到对应的目标色温R、G、B值来实现的。
  14. 根据权利要求9所述的一种提升显示画质的系统,其特征在于,
    所述屏幕显示模块具体包括如下功能:
    获取经动态色温算法模块处理得到的当前帧显示画面对应的色温值;
    根据所述当前帧显示画面对应的色温调整显示色温,以匹配所述当前帧显示画面对应的色温;
    显示调整后的当前帧显示画面。
  15. 一种存储介质,其特征在于,所述存储介质存储有提升显示画质的程序,该提升画质的程序被处理器执行时实现权利要求1至5任一项所述提升显示画质的方法的步骤。
PCT/CN2019/080569 2018-04-02 2019-03-29 一种提升显示画质的方法、系统及存储介质 WO2019192406A1 (zh)

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