WO2019071683A1 - 一种画面存储方法和显示面板 - Google Patents

一种画面存储方法和显示面板 Download PDF

Info

Publication number
WO2019071683A1
WO2019071683A1 PCT/CN2017/109766 CN2017109766W WO2019071683A1 WO 2019071683 A1 WO2019071683 A1 WO 2019071683A1 CN 2017109766 W CN2017109766 W CN 2017109766W WO 2019071683 A1 WO2019071683 A1 WO 2019071683A1
Authority
WO
WIPO (PCT)
Prior art keywords
data compression
current frame
frame picture
compression module
grayscale
Prior art date
Application number
PCT/CN2017/109766
Other languages
English (en)
French (fr)
Inventor
何怀亮
Original Assignee
惠科股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 惠科股份有限公司 filed Critical 惠科股份有限公司
Priority to US16/141,252 priority Critical patent/US20190110055A1/en
Publication of WO2019071683A1 publication Critical patent/WO2019071683A1/zh

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146Data rate or code amount at the encoder output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field

Definitions

  • the present application relates to the field of display technologies, and in particular, to a picture storage method and a display panel.
  • liquid crystal displays have become mainstream products of displays due to their thin body, low power consumption and low radiation. They have become an important display platform for IT and video products.
  • the system main board passes the red/green/blue compression signal and the control signal power supply through the wire, and finally connects with the display area of the display panel, so that the display panel obtains the required power and signal.
  • the current picture In order to compare the picture changes of the two frames before and after the function such as overvoltage driving, the current picture needs to be stored.
  • the principle is generally to input the current frame picture into the data compression module, and then compress the data and then transfer it to the memory.
  • the setting of the data compression ratio is very important. If the data compression ratio is set too small, it will cause too much data to be stored, so that the cost increases, and the data compression ratio is set too large. This will lead to an increase in error during the compression and decompression process, affecting the display effect of the picture, and how to obtain a balance point according to the actual picture performance is a problem that is difficult to solve.
  • the technical problem to be solved by the present application is to provide a picture storage method and a display panel capable of selecting different compression magnification parameters to compress a current frame picture according to different current frame conditions.
  • the present application provides a picture storage method, including:
  • the data compression module compresses the current frame picture according to the corresponding data compression magnification parameter
  • the data compression module includes at least a high gray scale data compression module and a low gray scale data compression module;
  • the step of determining the grayscale value of the current frame picture and outputting the current frame picture to the corresponding data compression module includes:
  • the grayscale value of the current frame picture is determined to be a high gray level, output the current frame picture to the high gray level data compression module;
  • the grayscale value of the current frame picture is determined to be a low gray level, output the current frame picture to the low gray level data compression module;
  • the data compression ratio preset by the high gray scale data compression module is greater than the low gray scale data compression module
  • the low gray level refers to a gray scale of 0 to 127; and the high gray scale refers to a gray scale of 128 to 255;
  • the step of determining the grayscale value of the current frame picture and outputting the current frame picture to the corresponding data compression module includes:
  • the grayscale determination module detects grayscales of all pixels in the current frame picture, and uses an average value of grayscales of all pixels as the grayscale value.
  • the application also provides a picture storage method, including:
  • the data compression module compresses the current frame picture according to the corresponding data compression magnification parameter
  • the compressed current frame picture is sent to the memory storage.
  • the application also discloses a display panel, comprising:
  • a data input module for inputting a current frame picture
  • a gray level determining module configured to receive the current frame picture and determine a grayscale value thereof
  • a data compression module receiving the current frame picture and corresponding grayscale values, and collecting according to grayscale values
  • the current frame picture is compressed with the corresponding data compression magnification parameter.
  • the picture storage method of the present application wherein the data compression magnification parameter of the data compression module is adjustable or selectable, and therefore, according to the specific situation of the current frame picture, and then selecting an appropriate data compression ratio for compression, the data can be avoided.
  • the problem that the compression ratio is too small and the demand storage data is too low and the cost is too high, and at the same time, the problem that the error in the compression and decompression process caused by the data compression magnification is too large and affects the display effect of the screen can be avoided;
  • the application is provided with a grayscale determination unit to detect the current frame picture. Since the human eye has different image perceptions for high grayscale and low grayscale, it is possible to select different data compression magnification parameters for data compression according to different grayscales. , optimize the picture storage method.
  • FIG. 3 is a flow chart of still another optional picture storage method of the present application.
  • FIG. 5 is a schematic diagram of a display panel of the present application.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • a plurality means two or more unless otherwise stated.
  • the term “comprises” and its variations are intended to cover a non-exclusive inclusion.
  • connection In the description of the present application, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • Connected, or integrally connected can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • the specific meanings of the above terms in the present application can be understood in the specific circumstances for those skilled in the art.
  • FIG. 1 is a flowchart of a picture storage method according to the present application.
  • the present application provides a picture storage method, including:
  • the picture storage method of the present application wherein the data compression magnification parameter of the data compression module is adjustable or selectable, and therefore, according to the specific situation of the current frame picture, and then selecting an appropriate data compression ratio for compression, this can avoid
  • the problem that the data compression ratio is too small and the demand storage data is too low and the cost is too high, and at the same time, the problem that the error in the compression and decompression process caused by the data compression magnification is too large and affects the display effect of the screen can be avoided;
  • the present application is provided with a grayscale judging unit to detect the current frame picture. Since the human eye has different screen perceptions for high grayscale and low grayscale, it is possible to select different data compression magnification parameters according to different grayscales. Compress and optimize the way the picture is stored.
  • the data compression module includes at least a high gray scale data compression module and a low gray scale data compression module;
  • the step S2 of determining the grayscale value of the current frame picture and outputting the current frame picture to the corresponding data compression module includes:
  • the grayscale value of the current frame picture is determined to be a low gray level, output the current frame picture to the low gray level data compression module.
  • the general compression technique is mostly lossy compression. If the compression ratio is large, the image data will be damaged. For example, repeated or unimportant data in the image will be Lost, which makes the final decompressed image, the effect of the picture will be more significantly affected, so the set compression ratio is smaller; the high gray level is the opposite, because the high gray level picture is not sensitive, Even if the image causes some loss, it will not have a significant impact on the final decompressed image. On the contrary, if the compression ratio is too small, the required storage space and cost may be increased. Therefore, the present application splits the data compression module into two. In part, the targeted compression processing is performed on the low-gray frame picture and the high-gray frame picture, taking into account the cost of storage and the performance of the picture.
  • the data compression ratio preset by the high gray scale data compression module is greater than the low gray scale data compression module.
  • the data compression module is divided into two parts, wherein a data compression ratio preset by the high gray scale data compression module is greater than the low gray scale data compression module, that is, a part of the data is for a low gray scale frame.
  • the low compression ratio compression is performed, and the other portion is compressed at a high compression ratio for the high gray scale frame picture, taking into consideration cost issues and screen display effects.
  • the low gray scale refers to a gray scale of 0 to 127; and the high gray scale refers to a gray scale of 128 to 255.
  • the ranges of the low gray scale and the high gray scale are 0 to 127 gray scales and 128 to 255 gray scales, respectively.
  • Step S12 of outputting the screen to the corresponding data compression module includes:
  • the grayscale determination module detects grayscales of all pixels in the current frame picture, and uses an average value of grayscales of all pixels as the grayscale value.
  • the grayscale value of the frame picture is actually a set of a plurality of pixels included in the frame, and the average value of each pixel is determined after the grayscale, and the average value thereof can well represent the grayscale composition of the frame image.
  • the frame picture obtained by such compression and decompression can better balance the cost problem and the picture effect problem.
  • the grayscale value of the current frame picture is determined, and the current Step S20 of outputting the frame picture to the corresponding data compression module includes:
  • the grayscale determination module detects the grayscale of all the pixels in the current frame picture, and uses the median of the grayscales of all the pixels as the grayscale value.
  • the grayscale value of the frame picture is actually a set of a plurality of pixels included therein, and the median value is determined after determining the grayscale of each pixel, wherein the bit value can well represent the grayscale component of the frame picture.
  • the frame picture obtained by compression and decompression can better balance the cost problem and the picture effect problem.
  • the data compression module adopts a software compression technology or a hardware compression technology.
  • the data compression module can adopt software compression technology and software compression technology compatibility.
  • the format of the transmitted frame picture can be specifically compressed; and the hardware compression technology can improve the processing effect, and only needs to limit the input format of the frame picture.
  • FIG. 4 is a flowchart of still another optional picture storage method according to the present application.
  • the data compression module includes a compression ratio adjustment unit;
  • the step S3 of compressing the current frame picture by the data compression module according to a preset data compression ratio includes step S32:
  • the compression magnification adjustment unit adjusts a compression magnification parameter of the data compression module according to the grayscale value of the current frame picture
  • the data compression module compresses the current frame picture according to the adjusted compression magnification parameter.
  • the data compression module does not perform splitting, but sets a compression magnification adjustment unit that adjusts the compression ratio of the data compression module according to the difference of the input grayscale values.
  • the data compression module includes at least a high gray scale data compression module, a medium gray scale data compression module, and a low gray scale data compression module;
  • the step S2 of determining the grayscale value of the current frame picture and outputting the current frame picture to the corresponding data compression module includes:
  • the grayscale value of the current frame picture is determined to be a high gray level, output the current frame picture to the high gray level data compression module;
  • the grayscale value of the current frame picture is determined to be a medium grayscale, output the current frame picture to the middle grayscale data compression module;
  • the grayscale value of the current frame picture is determined to be a low gray level, outputting the current frame picture to the low gray level data compression module.
  • the compression rate conference affects the picture effect, so a smaller compression rate value is set, and the high gray level can appropriately increase the compression ratio to reduce the storage cost. Therefore, the data compression module is divided into three parts: a low gray level, a medium gray level and a high gray level, and the target compression is performed on the low gray level frame picture, the middle gray level frame picture and the high gray level frame picture respectively.
  • the processing takes into account the cost of storage and the performance of the picture; wherein the range of the low gray level is 0 to 82 gray scale, the range of the medium gray scale is 83 to 166 gray scale, and the range of high gray scale is 167 to 255 Grayscale.
  • FIG. 5 is a schematic diagram of a display panel according to the present application. Referring to FIG. 2, the present application also discloses a display panel 100, including:
  • a data input module 10 configured to input a current frame picture
  • the gray level determining module 20 is configured to receive the current frame picture and determine a grayscale value thereof;
  • the data compression module 30 receives the current frame picture and the corresponding grayscale value, and compresses the current frame picture according to the grayscale value by using a corresponding data compression magnification parameter.
  • the display panel of the present application adopts a novel picture storage method, wherein the data compression magnification parameter of the data compression module is adjustable or can be selected, and therefore, according to the specific situation of the current frame picture, the appropriate data compression ratio can be selected. Compression, this can avoid the data compression rate is too small, resulting in the problem of requiring the storage data to be too low cost and too high. At the same time, it can avoid the excessive error caused by the data compression magnification and the compression and decompression process, which affects the screen display effect.
  • the present application is provided with a gray-scale judging unit to detect the current frame picture. Since the human eye has different screen perceptions for high gray scale and low gray scale, it is possible to select different according to different gray scales.
  • the data compression magnification parameter performs data compression and optimizes the picture storage mode.
  • the data compression module 30 includes at least a high gray scale data compression module and a low gray scale data compression module;
  • the data input module outputs the current frame image to the high grayscale data compression module;
  • the data input module outputs the current frame image to the low grayscale data compression module.
  • the data compression ratio preset by the high gray scale data compression module is greater than the low gray scale data compression module
  • the low gray level refers to a gray scale of 0 to 127; and the high gray scale refers to a gray scale of 128 to 255;
  • the gray scale determination module 20 detects gray scales of all pixels in the current frame picture, and uses an average value of gray scales of all pixels as the gray scale value.
  • the data compression ratio preset by the high gray scale data compression module is greater than the low gray scale data compression module
  • the low gray level refers to a gray scale of 0 to 127; and the high gray scale refers to a gray scale of 128 to 255;
  • the grayscale determination module detects grayscales of all pixels in the current frame picture, and uses the median of the grayscales of all pixels as the grayscale value.
  • the data compression module 30 adopts a software compression technology or a hardware compression technology.
  • the data compression module 30 includes a compression ratio adjustment unit
  • the compression magnification adjustment unit adjusts a compression magnification parameter of the data compression module according to a grayscale value of the current frame picture
  • the data compression module compresses the current frame picture according to the adjusted compression magnification parameter.
  • the data compression module 30 includes at least a high gray scale data compression module, a medium gray scale data compression module, and a low gray scale data compression module.
  • the grayscale determination module 20 determines whether the grayscale value of the current frame picture is a high grayscale, output the current frame frame to the high grayscale data compression module;
  • the grayscale determination module 20 determines whether the grayscale value of the current frame picture is a medium grayscale, output the current frame image to the medium grayscale data compression module;
  • the grayscale value of the current frame picture is determined by the grayscale determination module 20 to be a low grayscale, the current frame image is output to the low grayscale data compression module.
  • the panel of the present application may be a TN panel (full name Twisted Nematic, ie, a twisted nematic panel), an IPS panel (In-Plane Switching), a VA panel (Multi-domain Vertical Alignment), and of course It can also be other types of panels, just apply.
  • TN panel full name Twisted Nematic, ie, a twisted nematic panel
  • IPS panel In-Plane Switching
  • VA panel Multi-domain Vertical Alignment

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

一种画面存储方法和显示面板(100),画面存储方法包括:将当前帧画面输入灰阶判断模块(20)(S1);判断当前帧画面的灰阶值,并将当前帧画面输出到对应的数据压缩模块(30)(S2);数据压缩模块(30)根据对应的数据压缩倍率参数压缩当前帧画面(S3);将压缩后的当前帧画面发送到存储器存储(S4)。

Description

一种画面存储方法和显示面板 【技术领域】
本申请涉及显示技术领域,尤其涉及一种画面存储方法和显示面板。
【背景技术】
随着科技的发展和进步,液晶显示器由于具备机身薄、省电和辐射低等热点而成为显示器的主流产品,已经成为现在IT、视讯产品重要的显示平台。
从液晶显示器驱动原理来看,系统主板将红/绿/蓝压缩信号、控制信号机电源通过线材,并最终与显示面板的显示区连接,从而使得显示面板获得所需的电源和信号。
而为了在过压驱动等功能中能够进行前后两帧的画面变化的对比,需要对当前画面进行存储,其原理一般是将当前帧画面输入到数据压缩模块中,进行数据压缩后再输送到存储器中进行存储;但,实际应用中数据压缩倍率的设定非常重要,若数据压缩倍率设定过小,会导致所需存储的数据过多,使得成本上升,而数据压缩倍率设定过大,则会导致压缩解压缩过程中误差增大,影响画面显示效果,如何根据实际的画面表现取得平衡点是一个难以很好解决的问题。
【发明内容】
有鉴于背景技术的上述缺陷,本申请所要解决的技术问题是提供一种能够根据当前帧情况不同而选择不同的压缩倍率参数以压缩当前帧画面的画面存储方法和显示面板。
为实现上述目的,本申请提供了一种画面存储方法,包括:
将当前帧画面输入灰阶判断模块;
判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块;
数据压缩模块根据对应的数据压缩倍率参数压缩当前帧画面;
将压缩后的当前帧画面发送到存储器存储;
所述数据压缩模块至少包括高灰阶数据压缩模块和低灰阶数据压缩模块;
所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤包括:
若所述当前帧画面的灰阶值被判定为高灰阶,则将所述当前帧画面输出到所述高灰阶数据压缩模块;
若所述当前帧画面的灰阶值被判定为低灰阶,则将所述当前帧画面输出到所述低灰阶数据压缩模块;
所述高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块;
所述低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶;
所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤包括:
灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的平均值作为所述灰阶值。
本申请还提供了一种画面存储方法,包括:
将当前帧画面输入灰阶判断模块;
判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块;
数据压缩模块根据对应的数据压缩倍率参数压缩当前帧画面;
将压缩后的当前帧画面发送到存储器存储。
本申请还公开了一种显示面板,包括:
数据输入模块,用于输入当前帧画面;
灰阶判断模块,用于接收所述当前帧画面并判断其灰阶值;
数据压缩模块,接收所述当前帧画面以及对应的灰阶值,并根据灰阶值采 用对应的数据压缩倍率参数压缩当前帧画面。
本申请的画面存储方法,其中,由于数据压缩模块的数据压缩倍率参数可调或者可以选择,因而,可以根据当前帧画面的具体情况,然后再选择合适的数据压缩倍率进行压缩,这样可以避免数据压缩倍率太小而导致的需求存储数据太低、成本太高的问题,同时,可以避免数据压缩倍率太大而导致的压缩解压过程中误差过大而影响画面显示效果的问题;具体的,本申请设置有灰阶判断单元以检测当前帧画面的情况,由于人眼对于高灰阶和低灰阶的画面感知存在差异,因而,可以根据灰阶的不同选择不同的数据压缩倍率参数进行数据压缩,优化画面存储方式。
【附图说明】
所包括的附图用来提供对本申请实施例的进一步的理解,其构成了说明书的一部分,用于例示本申请的实施方式,并与文字描述一起来阐释本申请的原理。显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。在附图中:
图1是本申请一种画面存储方法的流程图;
图2是本申请一种可选的画面存储方法的流程图;
图3是本申请又一种可选的画面存储方法的流程图;
图4是本申请再一种可选的画面存储方法的流程图;
图5是本申请一种显示面板的示意图。
【具体实施方式】
这里所公开的具体结构和功能细节仅仅是代表性的,并且是用于描述本申请的示例性实施例的目的。但是本申请可以通过许多替换形式来具体实现,并且不应当被解释成仅仅受限于这里所阐述的实施例。
在本申请的描述中,需要理解的是,术语“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中,除非另有说明,“多个”的含义是两个或两个以上。另外,术语“包括”及其任何变形,意图在于覆盖不排他的包含。
在本申请的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本申请中的具体含义。
这里所使用的术语仅仅是为了描述具体实施例而不意图限制示例性实施例。除非上下文明确地另有所指,否则这里所使用的单数形式“一个”、“一项”还意图包括复数。还应当理解的是,这里所使用的术语“包括”和/或“包含”规定所陈述的特征、整数、步骤、操作、单元和/或组件的存在,而不排除存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。
在图中,结构相似的单元是以相同标号表示。
图1是本申请一种画面存储方法的流程图,参考图1可知:本申请提供了一种画面存储方法,包括:
S1:将当前帧画面输入灰阶判断模块;
S2:判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块;
S3:数据压缩模块根据对应的数据压缩倍率参数压缩当前帧画面;
S4:将压缩后的当前帧画面发送到存储器存储。
本申请的画面存储方法,其中,由于数据压缩模块的数据压缩倍率参数可调或者可以选择,因而,可以根据当前帧画面的具体情况,然后再选择合适的数据压缩倍率进行压缩,这样可以避免由于数据压缩倍率太小而导致的需求存储数据太低、成本太高的问题,同时,可以避免数据压缩倍率太大而导致的压缩解压过程中误差过大而影响画面显示效果的问题;具体的,本申请设置有灰阶判断单元以检测当前帧画面的情况,由于人眼对于高灰阶和低灰阶的画面感知存在差异,因而,可以根据灰阶的不同选择不同的数据压缩倍率参数进行数据压缩,优化画面存储方式。
本实施例可选的,数据压缩模块至少包括高灰阶数据压缩模块和低灰阶数据压缩模块;
所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤S2包括:
S21:若所述当前帧画面的灰阶值被判定为高灰阶,则将所述当前帧画面输出到所述高灰阶数据压缩模块;
S22:若所述当前帧画面的灰阶值被判定为低灰阶,则将所述当前帧画面输出到所述低灰阶数据压缩模块。本实施方案中,由于低灰阶的画面表现更敏感,一般的压缩技术多为有损压缩,若是压缩倍率大的话,将会造成图像数据的损伤,例如图像中重复或不重要的资料将被丢失,这使得最终解压缩后得到图像,其画面效果会受到更为明显的影响,因而设定的压缩率较小为好;而高灰阶则相反,由于高灰阶的画面表现不敏感,即使图像造成一些损失,对于最终的解压缩图像也不会造成明显的影响,反而压缩倍率太小的话,可能造成需要的存储空间和成本提升,因而本申请将该数据压缩模块拆分为两个部分,分别对低灰阶帧画面和高灰阶帧画面进行针对性的压缩处理,兼顾了存储的成本以及画面的表现效果。
本实施例可选的,高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块。本实施方案中,本申请将该数据压缩模块分为两个部分,其中高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块,即其中一部分针对低灰阶帧画面进行低压缩倍率压缩,而另一部分针对高灰阶帧画面以高压缩倍率进行压缩,兼顾了成本问题和画面显示效果。
本实施例可选的,低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶。本实施方案中,该低灰阶和高灰阶的范围分别为0~127灰阶和128~255灰阶。
图2是本申请一种可选的画面存储方法的流程图,参考图2,集合图1可知,本实施例可选的,判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤S12包括:
灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的平均值作为所述灰阶值。本实施方案中,帧画面的灰阶值其实是其包括的很多像素的集合,判断每个像素的灰阶后取其平均值,其平均值可以很好的体现该帧画面的灰阶组成的主要情况,这样压缩和解压得到的帧画面可以较好的兼顾成本问题和画面效果问题。
图3是本申请另一可选的画面存储方法的流程图们,参考图3,结合图1可知,本实施例可选的,判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤S20包括:
灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的中位数作为所述灰阶值。本实施方案中,帧画面的灰阶值其实是其包括的很多像素的集合,判断每个像素的灰阶后取其中位数值,其中位数值可以很好的体现该帧画面的灰阶组成的情况,如此,压缩和解压得到的帧画面可以较好的兼顾成本问题和画面效果问题。
本实施例可选的,数据压缩模块采用软件压缩技术或者硬件压缩技术。本实施方案中,该数据压缩模块可以采用软件压缩技术,软件压缩技术的兼容性 较好,对传来的帧画面的格式都能够进行针对性的压缩;而采用硬件压缩技术,则可以提高处理的效果,只需要限定该帧画面的输入格式即可。
图4是本申请再一可选的的画面存储方法的流程图,参考图4,结合图1可知,本实施例可选的,数据压缩模块包括压缩倍率调节单元;
所述数据压缩模块按照预先设置的数据压缩倍率压缩当前帧画面的步骤S3包括步骤S32:
压缩倍率调节单元根据所述当前帧画面的灰阶值调节该数据压缩模块的压缩倍率参数;
数据压缩模块根据调节后的压缩倍率参数压缩所述当前帧画面。本实施方案中,该数据压缩模块并不进行拆分,而是设置了压缩倍率调节单元,该压缩倍率调节单元将根据输入的灰阶值的不同来调节该数据压缩模块的压缩倍率。
本实施例可选的,数据压缩模块至少包括高灰阶数据压缩模块、中灰阶数据压缩模块和低灰阶数据压缩模块;
所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤S2包括:
若所述当前帧画面的灰阶值被判定为高灰阶,则将所述当前帧画面输出到所述高灰阶数据压缩模块;
若所述当前帧画面的灰阶值被判定为中灰阶,则将所述当前帧画面输出到所述中灰阶数据压缩模块;
若所述当前帧画面的灰阶值被判定为低灰阶,则将所述当前帧画面输出到所述低灰阶数据压缩模块。本实施方案中,由于低灰阶的画面表现更敏感,压缩率大会影响画面效果,因而设定较小的压缩率值,而高灰阶则可以适当的加大压缩倍率以减小存储成本,因而本申请将该数据压缩模块拆分为低灰阶、中灰阶和高灰阶三个部分,分别对低灰阶帧画面、中灰阶帧画面和高灰阶帧画面进行针对性的压缩处理,兼顾了存储的成本以及画面的表现效果;其中,该低灰阶的范围为0~82灰阶,中灰阶的范围为83~166灰阶,高灰阶的范围为167~255 灰阶。
图5是本申请一种显示面板的示意图,参考图2,结合图1可知:本申请还公开了一种显示面板100,包括:
数据输入模块10,用于输入当前帧画面;
灰阶判断模块20,用于接收所述当前帧画面并判断其灰阶值;
数据压缩模块30,接收所述当前帧画面以及对应的灰阶值,并根据灰阶值采用对应的数据压缩倍率参数压缩当前帧画面。
本申请的显示面板,采用了新型的画面存储方法,其中,由于数据压缩模块的数据压缩倍率参数可调或者可以选择,因而,可以根据当前帧画面的具体情况,然后再选择合适的数据压缩倍率进行压缩,这样可以避免数据压缩倍率太小,而导致的需求存储数据太低成本太高的问题,同时,可以避免数据压缩倍率太大而导致的压缩解压过程中误差过大而影响画面显示效果的问题;具体的,本申请设置有灰阶判断单元以检测当前帧画面的情况,由于人眼对于高灰阶和低灰阶的画面感知存在差异,因而,可以根据灰阶的不同选择不同的数据压缩倍率参数进行数据压缩,优化画面存储方式。
本实施例可选的,所述数据压缩模块30至少包括高灰阶数据压缩模块和低灰阶数据压缩模块;
若所述当前帧画面的灰阶值被所述灰阶判断模块20判定为高灰阶,则数据输入模块将所述当前帧画面输出到所述高灰阶数据压缩模块;
若所述当前帧画面的灰阶值被所述灰阶判断模块20判定为低灰阶,则所述数据输入模块将所述当前帧画面输出到所述低灰阶数据压缩模块。
本实施例可选的,所述高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块;
所述低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶;
所述灰阶判断模块20检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的平均值作为所述灰阶值。
本实施例可选的,所述高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块;
所述低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶;
所述灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的中位数作为所述灰阶值。
本实施例可选的,所述数据压缩模块30采用软件压缩技术或者硬件压缩技术。
本实施例可选的,所述数据压缩模块30包括压缩倍率调节单元;
所述压缩倍率调节单元根据所述当前帧画面的灰阶值调节该数据压缩模块的压缩倍率参数;
数据压缩模块根据调节后的压缩倍率参数压缩所述当前帧画面。
本实施例可选的,所述数据压缩模块30至少包括高灰阶数据压缩模块、中灰阶数据压缩模块和低灰阶数据压缩模块;
若所述当前帧画面的灰阶值被所述灰阶判断模块20判定为高灰阶,则将所述当前帧画面输出到所述高灰阶数据压缩模块;
若所述当前帧画面的灰阶值被所述灰阶判断模块20判定为中灰阶,则将所述当前帧画面输出到所述中灰阶数据压缩模块;
若所述当前帧画面的灰阶值被所述灰阶判断模块20判定为低灰阶,则将所述当前帧画面输出到所述低灰阶数据压缩模块。
本申请的面板可以是TN面板(全称为Twisted Nematic,即扭曲向列型面板)、IPS面板(In-PlaneSwitching,平面转换)、VA面板(Multi-domain Vertical Alignment,多象限垂直配向技术),当然,也可以是其他类型的面板,适用即可。
以上内容是结合具体的可选实施方式对本申请所作的进一步详细说明,不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说,在不脱离本申请构思的前提下,还可以做出若干简单推演或替换,都应当视为属于本申请的保护范围。

Claims (20)

  1. 一种画面存储方法,包括:
    将当前帧画面输入灰阶判断模块;
    判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块;
    数据压缩模块根据对应的数据压缩倍率参数压缩当前帧画面;
    将压缩后的当前帧画面发送到存储器存储;
    所述数据压缩模块至少包括高灰阶数据压缩模块和低灰阶数据压缩模块;
    所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤包括:
    若所述当前帧画面的灰阶值被判定为高灰阶,则将所述当前帧画面输出到所述高灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被判定为低灰阶,则将所述当前帧画面输出到所述低灰阶数据压缩模块;
    所述高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块;
    所述低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶;
    所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤包括:
    灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的平均值作为所述灰阶值。
  2. 一种画面存储方法,包括:
    将当前帧画面输入灰阶判断模块;
    判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块;
    数据压缩模块根据对应的数据压缩倍率参数压缩当前帧画面;
    将压缩后的当前帧画面发送到存储器存储。
  3. 如权利要求1所述的一种画面存储方法,其中,包括:所述数据压缩模块至少包括高灰阶数据压缩模块和低灰阶数据压缩模块;
    所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤包括:
    若所述当前帧画面的灰阶值被判定为高灰阶,则将所述当前帧画面输出到所述高灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被判定为低灰阶,则将所述当前帧画面输出到所述低灰阶数据压缩模块。
  4. 如权利要求3所述的一种画面存储方法,其中,所述高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块。
  5. 如权利要求3所述的一种画面存储方法,其中,所述低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶。
  6. 如权利要求3所述的一种画面存储方法,其中,所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤包括:
    灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的平均值作为所述灰阶值。
  7. 如权利要求3所述的一种画面存储方法,其中,所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤包括:
    灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的中位数作为所述灰阶值。
  8. 如权利要求3所述的一种画面存储方法,其中,所述高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块;
    所述低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶;
    所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数 据压缩模块的步骤包括:
    灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的平均值作为所述灰阶值。
  9. 如权利要求3所述的一种画面存储方法,其中,所述高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块;
    所述低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶;
    所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤包括:
    灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的中位数作为所述灰阶值。
  10. 如权利要求1所述的一种画面存储方法,其中,所述数据压缩模块采用软件压缩技术或者硬件压缩技术。
  11. 如权利要求1所述的一种画面存储方法,其中,所述数据压缩模块包括压缩倍率调节单元;
    所述数据压缩模块按照预先设置的数据压缩倍率压缩当前帧画面的步骤包括:
    压缩倍率调节单元根据所述当前帧画面的灰阶值调节该数据压缩模块的压缩倍率参数;
    数据压缩模块根据调节后的压缩倍率参数压缩所述当前帧画面。
  12. 如权利要求1所述的一种画面存储方法,其中,包括:所述数据压缩模块至少包括高灰阶数据压缩模块、中灰阶数据压缩模块和低灰阶数据压缩模块;
    所述判断所述当前帧画面的灰阶值,并将所述当前帧画面输出到对应的数据压缩模块的步骤包括:
    若所述当前帧画面的灰阶值被判定为高灰阶,则将所述当前帧画面输出到所述高灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被判定为中灰阶,则将所述当前帧画面输出到所述中灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被判定为低灰阶,则将所述当前帧画面输出到所述低灰阶数据压缩模块。
  13. 一种显示面板,包括:
    数据输入模块,用于输入当前帧画面;
    灰阶判断模块,用于接收所述当前帧画面并判断其灰阶值;
    数据压缩模块,接收所述当前帧画面以及对应的灰阶值,并根据灰阶值采用对应的数据压缩倍率参数压缩当前帧画面。
  14. 如权利要求13所述的一种显示面板,其中,所述数据压缩模块至少包括高灰阶数据压缩模块和低灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被所述灰阶判断模块判定为高灰阶,则数据输入模块将所述当前帧画面输出到所述高灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被所述灰阶判断模块判定为低灰阶,则所述数据输入模块将所述当前帧画面输出到所述低灰阶数据压缩模块。
  15. 如权利要求14所述的一种显示面板,其中,所述高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块;
    所述低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶;
    所述灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的平均值作为所述灰阶值。
  16. 如权利要求14所述的一种显示面板,其中,所述高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块;
    所述低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶;
    所述灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的中位数作为所述灰阶值。
  17. 如权利要求13所述的一种显示面板,其中,所述数据压缩模块采用软 件压缩技术或者硬件压缩技术。
  18. 如权利要求13所述的一种显示面板,其中,所述数据压缩模块包括压缩倍率调节单元;
    所述压缩倍率调节单元根据所述当前帧画面的灰阶值调节该数据压缩模块的压缩倍率参数;
    所述数据压缩模块根据调节后的压缩倍率参数压缩所述当前帧画面。
  19. 如权利要求13所述的一种显示面板,其中,所述数据压缩模块至少包括高灰阶数据压缩模块、中灰阶数据压缩模块和低灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被所述灰阶判断模块判定为高灰阶,则将所述当前帧画面输出到所述高灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被所述灰阶判断模块判定为中灰阶,则将所述当前帧画面输出到所述中灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被所述灰阶判断模块判定为低灰阶,则将所述当前帧画面输出到所述低灰阶数据压缩模块。
  20. 如权利要求13所述的一种显示面板,其中,所述数据压缩模块至少包括高灰阶数据压缩模块和低灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被所述灰阶判断模块判定为高灰阶,则数据输入模块将所述当前帧画面输出到所述高灰阶数据压缩模块;
    若所述当前帧画面的灰阶值被所述灰阶判断模块判定为低灰阶,则所述数据输入模块将所述当前帧画面输出到所述低灰阶数据压缩模块;
    所述高灰阶数据压缩模块预先设置的数据压缩倍率大于所述低灰阶数据压缩模块;
    所述低灰阶指的是0~127灰阶;所述高灰阶指的是128~255灰阶;
    所述灰阶判断模块检测所述当前帧画面内所有像素的灰阶,并将所有像素的灰阶的平均值作为所述灰阶值。
PCT/CN2017/109766 2017-10-11 2017-11-07 一种画面存储方法和显示面板 WO2019071683A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/141,252 US20190110055A1 (en) 2017-10-11 2018-09-25 Picture storage method and display panel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710940530.8 2017-10-11
CN201710940530.8A CN107820097A (zh) 2017-10-11 2017-10-11 一种画面存储方法和显示面板

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/141,252 Continuation US20190110055A1 (en) 2017-10-11 2018-09-25 Picture storage method and display panel

Publications (1)

Publication Number Publication Date
WO2019071683A1 true WO2019071683A1 (zh) 2019-04-18

Family

ID=61608065

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/109766 WO2019071683A1 (zh) 2017-10-11 2017-11-07 一种画面存储方法和显示面板

Country Status (2)

Country Link
CN (1) CN107820097A (zh)
WO (1) WO2019071683A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109472874B (zh) * 2018-11-16 2022-05-31 京东方科技集团股份有限公司 显示方法、装置、vr显示装置及存储介质
CN115083357B (zh) * 2022-06-14 2023-03-14 惠科股份有限公司 背光模组亮度的刷新方法和显示装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101547352A (zh) * 2008-03-26 2009-09-30 中华映管股份有限公司 影像压缩方法和解压缩方法
CN101771868A (zh) * 2008-12-31 2010-07-07 华为技术有限公司 对图像的量化处理方法及装置
CN102572203A (zh) * 2008-09-26 2012-07-11 北大方正集团有限公司 点阵页面压缩方法及其装置
CN102959962A (zh) * 2011-04-15 2013-03-06 松下电器产业株式会社 图像压缩装置、图像压缩方法、集成电路、程序以及影像显示装置
CN103051901A (zh) * 2013-01-14 2013-04-17 北京华兴宏视技术发展有限公司 视频数据编码装置和视频数据编码方法
US20160119629A1 (en) * 2014-10-28 2016-04-28 Sony Corporation Image processing system with coding mode and method of operation thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101771858A (zh) * 2009-01-06 2010-07-07 北京视博数字电视科技有限公司 收视控制方法及其装置
JP5366304B2 (ja) * 2009-05-19 2013-12-11 ルネサスエレクトロニクス株式会社 表示駆動装置およびその動作方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101547352A (zh) * 2008-03-26 2009-09-30 中华映管股份有限公司 影像压缩方法和解压缩方法
CN102572203A (zh) * 2008-09-26 2012-07-11 北大方正集团有限公司 点阵页面压缩方法及其装置
CN101771868A (zh) * 2008-12-31 2010-07-07 华为技术有限公司 对图像的量化处理方法及装置
CN102959962A (zh) * 2011-04-15 2013-03-06 松下电器产业株式会社 图像压缩装置、图像压缩方法、集成电路、程序以及影像显示装置
CN103051901A (zh) * 2013-01-14 2013-04-17 北京华兴宏视技术发展有限公司 视频数据编码装置和视频数据编码方法
US20160119629A1 (en) * 2014-10-28 2016-04-28 Sony Corporation Image processing system with coding mode and method of operation thereof

Also Published As

Publication number Publication date
CN107820097A (zh) 2018-03-20

Similar Documents

Publication Publication Date Title
EP3392871A1 (en) Display drive apparatus and display drive method
KR101980024B1 (ko) 액정 패널의 그레이 스케일 값 설정 방법 및 액정 디스플레이 기기
KR101825214B1 (ko) 액정 표시 장치 및 그 구동 방법
TWI345753B (en) Method for driving display device and display system thereof
WO2020093495A1 (zh) 显示面板的伽马值调试方法及装置
CN106328090B (zh) 液晶显示器的驱动方法及驱动系统
KR20160044166A (ko) 표시 패널의 구동 방법 및 이를 수행하는 표시 장치
CN101937634B (zh) 液晶面板的画面调整方法和装置
CN107093410B (zh) 液晶显示亮度调控方法、装置以及液晶显示屏
CN108766372A (zh) 一种改善显示面板的mura现象的方法
US20090153456A1 (en) Method for generating over-drive data
US9761193B2 (en) Liquid crystal display and driving method thereof
JP2006031001A (ja) 入力映像表示装置及び方法
WO2021238361A1 (zh) 显示设备以及显示控制方法
CN110060618A (zh) 显示面板的电压调节方法及显示装置
WO2018188203A1 (zh) 压缩算法验证方法、存储介质及显示装置
WO2019071683A1 (zh) 一种画面存储方法和显示面板
CN113763903A (zh) 显示设备以及显示的控制方法
CN113763904A (zh) 显示设备以及显示的控制方法
CN102750914B (zh) 显示模块驱动电路、驱动方法以及液晶电视机
WO2023039945A1 (zh) 显示装置及其驱动方法
US11488554B2 (en) Systems and methods for generating an overdrive look-up table (LUT) for response time compensation of a display device
TW201027510A (en) Display module, display apparatus and image adjusting methods thereof
CN109859715B (zh) 显示驱动方法和液晶显示装置
CN112785984A (zh) 一种图像灰度感知的lcd高效能自适应全局背光调节方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17928613

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17928613

Country of ref document: EP

Kind code of ref document: A1