CN114638904A - Color difference system and method for realizing LCD (liquid crystal display) picture compensation of liquid crystal spliced screen based on color transition - Google Patents
Color difference system and method for realizing LCD (liquid crystal display) picture compensation of liquid crystal spliced screen based on color transition Download PDFInfo
- Publication number
- CN114638904A CN114638904A CN202210228482.0A CN202210228482A CN114638904A CN 114638904 A CN114638904 A CN 114638904A CN 202210228482 A CN202210228482 A CN 202210228482A CN 114638904 A CN114638904 A CN 114638904A
- Authority
- CN
- China
- Prior art keywords
- channel
- video frame
- frame image
- lcd
- value
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 17
- 230000007704 transition Effects 0.000 title claims abstract description 12
- 238000010606 normalization Methods 0.000 claims abstract description 20
- 238000004364 calculation method Methods 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims abstract description 4
- 238000007781 pre-processing Methods 0.000 claims description 7
- 230000004075 alteration Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30121—CRT, LCD or plasma display
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
A color difference system and method for realizing LCD picture compensation of a liquid crystal splicing screen based on color transition comprises the following steps: the LCD video frame image acquisition module is used for acquiring an LCD picture video frame image; LCD video frame image partition module for dividing LCD video frame image into j parts, each part corresponding to region Cj(ii) a The LCD video frame image compensation coefficient calculation module; for compensation coefficient Hj1、Hj2、Hj3Normalization is carried out; for LCD picture video frame image area CjThe compensation module is used for compensating the pixel values. According to the structural characteristics of the video image, the invention divides the LCD video frame image into regions, calculates the compensation coefficient of the LCD video frame image aiming at different regions, normalizes the obtained compensation coefficient, and calculates the pixels on the channel which are more than or less than the average valueAnd compensating in different modes to obtain compensated LCD image with high resolution and no color difference.
Description
Technical Field
The invention relates to the technical field of spliced screen color difference compensation, in particular to a color difference system and a method for realizing LCD (liquid crystal display) picture compensation of a liquid crystal spliced screen based on color transition.
Background
At present, with the continuous improvement of the scale and the speed of the LCD splicing screen, higher requirements are provided for fluency and color reality in use, but the judgment of human vision, energy and reaction time is limited, the LCD splicing screen with high color saturation and high resolution obtains higher requirements, the intelligent degree and the accuracy of color compensation are closely related to the user experience, and particularly in recent years, the splicing screen has greater popularization in large-scale conferences and exhibitions and plays an important role in the application of the LCD color resolution.
However, the traditional LCD splicing screen only simply displays pictures, and solves the problem that only basic information is displayed, but the problems that in the using process, chromatic aberration is large, distortion degree is high, and resolution ratio is low become the main problems of the LCD display screen, and the current color compensation mode only considers the picture adjustment of the whole LCD display screen and does not carry out regional and targeted adjustment; the adjustment is only carried out aiming at the brightness of the whole background of the picture, the adaptive adjustment of specific color channel values is not carried out, the color compensation processing efficiency of video image data is low, the color difference compensation processing accuracy is low, the cost is high, and the requirements of users cannot be met; the color compensation is accurate, fast, convenient and fine, so that the method is necessary and urgent, and the user experience is improved.
Disclosure of Invention
In order to solve the technical problems, the invention provides a color difference system and a method for realizing LCD (liquid crystal display) picture compensation of a liquid crystal splicing screen based on color transition.
The technical scheme is realized as follows:
a color difference system for realizing LCD picture compensation of a liquid crystal splicing screen based on color transition comprises: the LCD video frame image acquisition module is used for acquiring an LCD picture video frame image; LCD video frame image partition module for dividing LCD video frame image into j parts, each part corresponding to region Cj(ii) a LCD video frame image compensation coefficient calculation Module, area CjComplement corresponding to upper R channel, G channel and B channelThe compensation coefficients are respectively Hj1、Hj2And Hj3，Hj1、Hj2And Hj3Comprises the following steps:
wherein R isiValue, G, representing the R channel of the ith pixel of the video frame imageiValue, B, representing the G channel of the ith pixel of the video frame imageiValue, m, representing the B channel of the ith pixel of the video frame imagejRepresents a region CjUpper R channel mean, ujRepresents a region CjUpper G channel mean, hjRepresents a region CjUpper B channel mean, N denotes region CjThe number of pixels of (a);
a normalization module: for R channel, G channel and B channel region CjUpper corresponding compensation coefficient Hj1、Hj2、Hj3Normalization is carried out, and normalization compensation coefficients x, y and z are obtained respectively;
for LCD picture video frame image area CjIs compensated for, the pixel value of (a),
i.e. R on the R channeliGreater than mjThe R channel value after pixel compensation is RiR on the/x, R channeliLess than mjThe pixel compensated R channel value is Ri*x；
G on the G channeliGreater than mjThe pixel compensated G channel value of is GiOn the/y, G channel GiLess than ujThe pixel compensated G channel value of is Gi*y；
On B channel BiGreater than mjHas a pixel compensated B channel value ofBiB on the/z, B channeliLess than hjThe pixel compensated B channel value is Bi*z。
Preferably, the LCD picture video frame image is divided into j parts, where j is an input value customized according to the LCD model.
Preferably, the method further comprises preprocessing the video image after the LCD picture video frame image is taken, and filtering and denoising the video image information.
Preferably, when the pixel compensated channel value is greater than 255, the pixel channel value is 255.
A method for realizing LCD picture chromatic aberration compensation of a liquid crystal splicing screen based on color transition comprises the following steps: acquiring an LCD picture video frame image; dividing the LCD picture video frame image into j parts, each part corresponding to an area CjThen, region CjThe compensation coefficients corresponding to the upper R channel, the G channel and the B channel are respectively Hj1、Hj2And Hj3，Hj1、Hj2And Hj3Comprises the following steps:
wherein R isiValue, G, representing the R channel of the ith pixel of the video frame imageiValue, B, representing the G channel of the ith pixel of the video frame imageiValue, m, representing the B channel of the ith pixel of the video frame imagejRepresents a region CjUpper R channel mean, ujRepresents a region CjUpper G channel mean, hjRepresents a region CjUpper B channel mean, N denotes region CjThe number of pixels of (a);
for R channel, G channel,B channel region CjUpper corresponding compensation coefficient Hj1、Hj2、Hj3Normalization is carried out, and normalization compensation coefficients x, y and z are obtained respectively;
for LCD picture video frame image area CjIs compensated for the pixel value of (a),
i.e. R on the R channeliGreater than mjThe pixel compensated R channel value is RiR on the/x, R channeliLess than mjThe pixel compensated R channel value is Ri*x；
G on the G channeliGreater than mjThe pixel compensated G channel value of is GiOn the/y, G channel GiLess than ujThe pixel compensated G channel value of is Gi*y；
On B channel BiGreater than mjThe pixel compensated B channel value is BiB on the/z, B channeliLess than hjThe pixel compensated B channel value is Bi*z。
Preferably, the LCD picture video frame image is divided into j parts, where j is an input value customized according to the LCD model.
Preferably, the method further comprises preprocessing the video image after the LCD picture video frame image is taken, and filtering and denoising the video image information.
Preferably, when the pixel compensated channel value is greater than 255, the pixel channel value is 255.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
according to the structural characteristics of the video image, the LCD video frame image is partitioned, the LCD video frame image compensation coefficient calculation is carried out on different areas, the obtained compensation coefficient is normalized, pixels which are larger than or smaller than the average value on a channel are compensated in different modes, and the LCD image which is high in resolution and free of chromatic aberration after compensation is obtained.
The invention creatively normalizes the compensation coefficient to realize the consideration of the whole and the details, namely R channel, G channel and B channel areas CjUpper corresponding compensation coefficient Hj1、Hj2、Hj3Normalization is carried out, and normalization compensation coefficients x, y and z are obtained respectively;
in addition, the invention also provides an LCD picture video frame image area CjThe pixel value of the color filter is compensated, and the compensation of different pixel values can not be performed to a certain extent, so that the color resolution is improved;
i.e. R on the R channeliGreater than mjThe pixel compensated R channel value is RiR on the/x, R channeliLess than mjThe pixel compensated R channel value is Ri*x；
G on the G channeliGreater than mjThe pixel compensated G channel value of is GiOn the/y, G channel GiLess than ujThe pixel compensated G channel value of is Gi*y；
On B channel BiGreater than mjThe pixel compensated B channel value is BiB on the/z, B channeliLess than hjThe pixel compensated B channel value is BiZ; the color compensation effect is obviously enhanced through the above steps.
Drawings
FIG. 1 is a flow chart of a system and method for compensating color difference of LCD frames of a liquid crystal splicing screen based on color transition.
Detailed Description
The technical personnel in the field understand that, as the background art shows, the traditional LCD splicing screen is only a simple display picture, and solves the display problem of basic information, but the major problems of the LCD display screen are that the color difference is large, the distortion degree is high, and the resolution ratio is low in the use process, and the current color compensation mode only considers the picture adjustment of the whole LCD display screen and does not carry out regional targeted adjustment; the adjustment is only carried out aiming at the brightness of the whole background of the picture, the adaptive adjustment of specific color channel values is not carried out, the color compensation processing efficiency of video image data is low, the color difference compensation processing accuracy is low, the cost is high, and the requirements of users cannot be met; the color compensation is accurate, fast, convenient and fine, so that the method is necessary and urgent, and the user experience is improved. In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Example 1:
the invention provides a color difference system for realizing LCD (liquid crystal display) picture compensation of a liquid crystal splicing screen based on color transition, which comprises: the LCD video frame image acquisition module is used for acquiring an LCD picture video frame image; LCD video frame image partition module for dividing LCD video frame image into j parts, each part corresponding to region Cj(ii) a LCD video frame image compensation coefficient calculation Module, area CjThe compensation coefficients corresponding to the upper R channel, the G channel and the B channel are respectively Hj1、Hj2And Hj3，Hj1、Hj2And Hj3Comprises the following steps:
wherein R isiValue, G, representing the R channel of the ith pixel of the video frame imageiValue, B, representing the G channel of the ith pixel of the video frame imageiValue, m, representing the B channel of the ith pixel of the video frame imagejRepresents a region CjUpper R channel mean, ujRepresents a region CjUpper G channel mean, hjRepresents a region CjUpper B channel mean, N denotes region CjThe number of pixels of (a);
a normalization module: for R channel, G channel and B channel region CjUpper corresponding compensation coefficient Hj1、Hj2、Hj3Normalization is carried out, and normalization compensation coefficients x, y and z are obtained respectively;
for LCD picture video frame image area CjIs compensated for, the pixel value of (a),
i.e. R on the R channeliGreater than mjThe pixel compensated R channel value is RiR on the/x, R channeliLess than mjThe R channel value after pixel compensation is Ri*x；
G on the G channeliGreater than mjThe pixel compensated G channel value of (a) is GiOn the/y, G channel GiLess than ujThe pixel compensated G channel value of is Gi*y；
On B channel BiGreater than mjThe pixel compensated B channel value is BiB on the/z, B channeliLess than hjThe pixel compensated B channel value is Bi*z。
In some embodiments, the LCD picture video frame image is divided into j portions, where j is an input value customized according to the LCD model.
In some embodiments, the method further includes preprocessing the video image after the LCD picture video frame image is taken, and filtering and denoising the video image information.
In some embodiments, when the pixel compensated channel value is greater than 255, then the pixel channel value is taken to be 255.
Example 2:
the invention also discloses a method for realizing LCD picture chromatic aberration compensation of the liquid crystal splicing screen based on color transition, which comprises the following steps: acquiring an LCD picture video frame image; dividing the video frame image of LCD picture into j parts, each part corresponding to region CjThen, region CjThe compensation coefficients corresponding to the upper R channel, the G channel and the B channel are respectively Hj1、Hj2And Hj3，Hj1、Hj2And Hj3Comprises the following steps:
wherein R isiValue, G, representing the R channel of the ith pixel of the video frame imageiValue, B, representing the G channel of the ith pixel of the video frame imageiValue, m, representing the B channel of the ith pixel of the video frame imagejRepresents a region CjUpper R channel mean, ujRepresents a region CjUpper G channel mean, hjRepresents a region CjUpper B channel mean, N denotes region CjThe number of pixels of (a);
for R channel, G channel and B channel region CjUpper corresponding compensation coefficient Hj1、Hj2、Hj3Normalization is carried out, and normalization compensation coefficients x, y and z are obtained respectively;
for LCD picture video frame image area CjIs compensated for, the pixel value of (a),
i.e. R on the R channeliGreater than mjThe pixel compensated R channel value is RiR on the/x, R channeliLess than mjThe pixel compensated R channel value is Ri*x；
G on the G channeliGreater than mjThe pixel compensated G channel value of is GiOn the/y, G channel GiLess than ujThe pixel compensated G channel value of is Gi*y；
On B channel BiGreater than mjThe pixel compensated B channel value is BiB on the/z, B channeliLess than hjThe pixel compensated B channel value is Bi*z。
In some embodiments, the dividing of the LCD picture video frame image into j portions, j being an input value customized according to the LCD model.
In some embodiments, the method further includes preprocessing the video image after the LCD picture video frame image is taken, and filtering and denoising the video image information.
In some embodiments, when the pixel compensated channel value is greater than 255, then the pixel channel value is taken to be 255.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
according to the structural characteristics of the video image, the LCD video frame image is partitioned, the LCD video frame image compensation coefficients are calculated for different areas, the obtained compensation coefficients are normalized, pixels which are larger than or smaller than the average value on a channel are compensated in different modes, and the LCD image which is high in resolution and free of chromatic aberration after compensation is obtained.
The invention creatively normalizes the compensation coefficient to realize the consideration of the whole and the details, namely R channel, G channel and B channel areas CjUpper corresponding compensation coefficient Hj1、Hj2、Hj3Normalization is carried out, and normalization compensation coefficients x, y and z are obtained respectively;
in addition, the invention also provides an LCD picture video frame image area CjThe pixel value of the color filter is compensated, and the compensation of different pixel values can not be performed to a certain extent, so that the color resolution is improved;
i.e. R on the R channeliGreater than mjThe pixel compensated R channel value is RiR on the/x, R channeliLess than mjThe pixel compensated R channel value is Ri*x；
G on the G channeliGreater than mjThe pixel compensated G channel value of is GiOn the/y, G channel GiLess than ujThe pixel compensated G channel value of is Gi*y；
On B channel BiGreater than mjThe pixel compensated B channel value is BiB on the/z, B channeliLess than hjThe pixel compensated B channel value is BiZ; the color compensation effect is obviously enhanced through the above steps.
Those skilled in the art will appreciate that embodiments of the present application may be provided as a method, system, or computer program product and thus the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A color difference system for realizing LCD picture compensation of a liquid crystal splicing screen based on color transition is characterized by comprising: the LCD video frame image acquisition module is used for acquiring an LCD picture video frame image; LCD video frame image partition module for dividing LCD video frame image into j parts, each part corresponding to region Cj(ii) a LCD video frame image compensation coefficient calculation Module, area CjThe compensation coefficients corresponding to the upper R channel, the G channel and the B channel are respectively Hj1、Hj2And Hj3，Hj1、Hj2And Hj3Comprises the following steps:
wherein R isiValue, G, representing the R channel of the ith pixel of the video frame imageiValue, B, representing the G channel of the ith pixel of the video frame imageiValue, m, representing the B channel of the ith pixel of the video frame imagejRepresents a region CjUpper R channel mean, ujRepresents a region CjUpper G channel mean, hjRepresents a region CjUpper B channel mean, N denotes region CjThe number of pixels of (a);
a normalization module: for R channel, G channel and B channel region CjUpper corresponding compensation coefficient Hj1、Hj2、Hj3Normalization is carried out, and normalization compensation coefficients x, y and z are obtained respectively;
for LCD picture video frame image area CjIs compensated for, the pixel value of (a),
i.e. R on the R channeliGreater than mjThe R channel value after pixel compensation is RiR on the/x, R channeliLess than mjThe pixel compensated R channel value is Ri*x；
G on the G channeliGreater than mjThe pixel compensated G channel value of is GiOn the/y, G channel GiLess than ujThe pixel compensated G channel value of is Gi*y；
On B channel BiGreater than mjThe pixel compensated B channel value is BiB on the/z, B channeliLess than hjThe pixel compensated B channel value is Bi*z。
2. The system of claim 1, wherein the video frame image of the LCD frame is divided into j portions, where j is an input value customized according to the LCD model.
3. The system of claim 1, wherein the system further comprises a pre-processing unit for pre-processing the video frame image of the LCD screen, and a filtering unit for de-noising the video frame image.
4. The system of claim 2, wherein the pixel channel value is 255 when the pixel compensated channel value is greater than 255.
5. Based on color transition is realThe method for compensating the chromatic aberration of the LCD picture of the conventional liquid crystal spliced screen is characterized by comprising the following steps of: acquiring an LCD picture video frame image; dividing the video frame image of LCD picture into j parts, each part corresponding to region CjThen, region CjThe compensation coefficients corresponding to the upper R channel, the G channel and the B channel are respectively Hj1、Hj2And Hj3，Hj1、Hj2And Hj3Comprises the following steps:
wherein R isiValue, G, representing the R channel of the ith pixel of the video frame imageiValue, B, representing the G channel of the ith pixel of the video frame imageiValue, m, representing the B channel of the ith pixel of the video frame imagejRepresents a region CjUpper R channel mean, ujRepresents a region CjUpper G channel mean, hjRepresents a region CjUpper B channel mean, N denotes region CjThe number of pixels of (a);
for R channel, G channel and B channel region CjUpper corresponding compensation coefficient Hj1、Hj2、Hj3Normalization is carried out, and normalization compensation coefficients x, y and z are obtained respectively;
for LCD picture video frame image area CjIs compensated for, the pixel value of (a),
i.e. R on the R channeliGreater than mjThe pixel compensated R channel value is RiR on the/x, R channeliLess than mjThe pixel compensated R channel value is Ri*x；
G on the G channeliGreater than mjThe pixel compensated G channel value of is GiOn the/y, G channel GiLess than ujThe pixel compensated G channel value of is Gi*y；
On B channel BiGreater than mjThe pixel compensated B channel value is BiB on/z, B channeliLess than hjThe pixel compensated B channel value is Bi*z。
6. The method of claim 5, wherein the video frame image of the LCD screen is divided into j parts, wherein j is an input value customized according to the LCD model.
7. The method as claimed in claim 5, wherein the method further comprises preprocessing the video image after the video frame image of the LCD screen is taken, and filtering and de-noising the video image information.
8. The method as claimed in claim 6, wherein the pixel channel value is 255 when the pixel compensated channel value is greater than 255.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210228482.0A CN114638904B (en) | 2022-03-08 | 2022-03-08 | Color difference system and method for realizing LCD (liquid crystal display) picture compensation of liquid crystal spliced screen based on color transition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210228482.0A CN114638904B (en) | 2022-03-08 | 2022-03-08 | Color difference system and method for realizing LCD (liquid crystal display) picture compensation of liquid crystal spliced screen based on color transition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114638904A true CN114638904A (en) | 2022-06-17 |
| CN114638904B CN114638904B (en) | 2022-09-20 |
Family
ID=81947772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210228482.0A Active CN114638904B (en) | 2022-03-08 | 2022-03-08 | Color difference system and method for realizing LCD (liquid crystal display) picture compensation of liquid crystal spliced screen based on color transition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114638904B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118173038A (en) * | 2024-05-14 | 2024-06-11 | 北京集创北方科技股份有限公司 | Method and device for eliminating chromatic aberration between spliced screens, electronic equipment and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325035A (en) * | 2007-06-15 | 2008-12-17 | 深圳Tcl工业研究院有限公司 | Method and system for processing liquid crystal image |
| CN106205534A (en) * | 2016-08-30 | 2016-12-07 | 深圳市华星光电技术有限公司 | A kind of method carrying out colour cast compensation for three grid type transistor liquid crystal panels |
| CN107895566A (en) * | 2017-12-11 | 2018-04-10 | 天津大学 | It is a kind of that two-step method is compensated based on the liquid crystal pixel of S curve and logarithmic curve |
| CN111933075A (en) * | 2019-04-28 | 2020-11-13 | 华为技术有限公司 | Pixel compensation method and device |
| WO2021043143A1 (en) * | 2019-09-06 | 2021-03-11 | 华为技术有限公司 | Display screen aging compensation method, circuit system and electronic device |
| US20210319760A1 (en) * | 2016-11-17 | 2021-10-14 | HKC Corporation Limited | Method and apparatus for compensating view chromatic aberration of display device and display device |
| CN114120932A (en) * | 2021-11-30 | 2022-03-01 | 中航华东光电有限公司 | Liquid crystal display dimming method combined with image saturation adjustment |
-
2022
- 2022-03-08 CN CN202210228482.0A patent/CN114638904B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325035A (en) * | 2007-06-15 | 2008-12-17 | 深圳Tcl工业研究院有限公司 | Method and system for processing liquid crystal image |
| CN106205534A (en) * | 2016-08-30 | 2016-12-07 | 深圳市华星光电技术有限公司 | A kind of method carrying out colour cast compensation for three grid type transistor liquid crystal panels |
| US20210319760A1 (en) * | 2016-11-17 | 2021-10-14 | HKC Corporation Limited | Method and apparatus for compensating view chromatic aberration of display device and display device |
| CN107895566A (en) * | 2017-12-11 | 2018-04-10 | 天津大学 | It is a kind of that two-step method is compensated based on the liquid crystal pixel of S curve and logarithmic curve |
| CN111933075A (en) * | 2019-04-28 | 2020-11-13 | 华为技术有限公司 | Pixel compensation method and device |
| WO2021043143A1 (en) * | 2019-09-06 | 2021-03-11 | 华为技术有限公司 | Display screen aging compensation method, circuit system and electronic device |
| CN114120932A (en) * | 2021-11-30 | 2022-03-01 | 中航华东光电有限公司 | Liquid crystal display dimming method combined with image saturation adjustment |
Non-Patent Citations (5)
| Title |
|---|
| WEI HUANG 等: "Local dimming algorithm and color gamut calibration for RGB LED backlight LCD display", 《OPTICS & LASER TECHNOLOGY》 * |
| 唐佳林 等: "融合多颜色空间信息的彩色图像色差校正算法", 《计算机科学》 * |
| 宫睿等: "液晶显示器色度特征化的分空间补偿模型", 《光学学报》 * |
| 徐超: "多通道显示系统的实现与优化", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
| 赵晨: "基于图像特征的液晶显示区域调光算法研究", 《中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118173038A (en) * | 2024-05-14 | 2024-06-11 | 北京集创北方科技股份有限公司 | Method and device for eliminating chromatic aberration between spliced screens, electronic equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114638904B (en) | 2022-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106952626B (en) | The mura compensation deals method, apparatus and liquid crystal display of RGBW pixel arrangement panel | |
| CN102298894B (en) | Display device and contrast enhancement method thereof | |
| CN104616631B (en) | Display method and device for MVA (multi-domain vertical alignment) wide viewing angle LCD (liquid crystal display) screen | |
| US11200649B2 (en) | Image processing method and apparatus, display device, and computer readable storage medium | |
| CN108133692A (en) | The method, apparatus and liquid crystal display panel of adjustment are compensated to pixel data | |
| US7708407B2 (en) | Eye tracking compensated method and device thereof | |
| CN107665681B (en) | Liquid crystal display driving method, system and computer readable medium | |
| CN106412549B (en) | Brightness of image method of adjustment and device | |
| CN108364615B (en) | Mura compensation method and Mura compensation system | |
| US8488899B2 (en) | Image processing apparatus, method and recording medium | |
| WO2020001176A1 (en) | Display method and device, visible light communication transmission method and device | |
| CN114638904B (en) | Color difference system and method for realizing LCD (liquid crystal display) picture compensation of liquid crystal spliced screen based on color transition | |
| Har-Noy et al. | LCD motion blur reduction: A signal processing approach | |
| EP3993383A1 (en) | Method and device for adjusting image quality, and readable storage medium | |
| US7692612B2 (en) | Video enhancement and display power management | |
| CN107680541A (en) | A kind of method and device for reducing liquid crystal display power consumption | |
| Liu | Revolution of the TFT LCD technology | |
| CN111696034A (en) | Image processing method and device and electronic equipment | |
| WO2021184931A1 (en) | Color contrast enhancement drawing method, apparatus and system applicable to optical see-through head-mounted display | |
| US8471795B2 (en) | Method of driving pixels and displaying images on a display device | |
| CN114420059B (en) | Backlight control method and device and display equipment | |
| CN115205752A (en) | Liquid crystal splicing LCD method and system based on intelligent display | |
| CN111292677B (en) | Image display processing method and device, computer equipment and storage medium | |
| CN112967688A (en) | Method and device for improving contrast of liquid crystal display television of multi-partition backlight system | |
| EP2174264A1 (en) | Video enhancement and display power management |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |