CN103531173B - A kind of screen color method of adjustment and device - Google Patents
A kind of screen color method of adjustment and device Download PDFInfo
- Publication number
- CN103531173B CN103531173B CN201310489443.7A CN201310489443A CN103531173B CN 103531173 B CN103531173 B CN 103531173B CN 201310489443 A CN201310489443 A CN 201310489443A CN 103531173 B CN103531173 B CN 103531173B
- Authority
- CN
- China
- Prior art keywords
- gray
- interval
- scale value
- pixel
- 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.)
- Expired - Fee Related
Links
Abstract
The invention discloses a kind of screen color method of adjustment and device, wherein method of adjustment is: dividing certain color gray-scale value is n interval, chooses the representative of each Interval Gray angle value; The arbitrary Interval Gray angle value representative of screen display; Revise the gray-scale value of certain pixel, when the gray-scale value of the pixel of display equals the representative of Interval Gray angle value, stop amendment and record, aforesaid operations is repeated to other pixel; The amended gray-scale value of pixel and Interval Gray angle value represent does ratio, obtains ratio table and preserves; In interval, other gray-scale value is multiplied with ratio table, rounds; The adjustment in other interval repeats aforesaid operations, completes adjustment.Screen color method of adjustment provided by the invention, committed memory is little, processing speed is fast, without the need to manual intervention.Screen color adjusting gear comprise gray-scale value divide choose module, gray-scale value output module, gray-scale value amendment record module, gray-scale value compare and preserve module and gray-scale value adjusting module, automatically adjust screen color, save time, degree of accuracy is high.
Description
Technical field
The present invention relates to display device color adjustment field, more specifically, relate to a kind of screen color method of adjustment and device.
Background technology
Along with people are to the lifting of display information transmission demand, the application of large screen display is throughout the every field such as public's display, communications and transportation dispatch control, meteorological monitoring, the monitoring of electric power telecommunications, fire fighting monitoring commander, military commanding.
Multiple display unit, mainly through stacking mode, is carried out combined and spliced display by existing Large Screen Display Technology.The advantage of Mosaic screen be to improve display systemic resolution, increase display area, whole display screen can be realized show a complete picture, also window etc. can be opened in the optional position of display screen, but also there is its shortcoming simultaneously, be exactly between each display unit color inconsistent, the color inside even single display unit also can exist inconsistent.
The method that current most of large screen display color adjustment still adopts manpower to adjust, by selecting movement and bulb guarantee brightness before dispatching from the factory, unanimous on the whole, then intense adjustment is done again by manual operation, correction work must professional just can complete, and need the plenty of time, and effect is bad; And another part way is the optical parametric utilizing the color analysis instrument etc. of color sensor or specialty to measure each display unit, then analyze and make correction, owing to measuring limited point on same display unit, complicated operation, and because of screen intensity unevenness, to cause in same display unit test result on each point to differ greatly, affect calibration result.Also some method is by storing the image of each gray level of display screen each single primary colors, and be equivalent to set up an image library, the mode of then carrying out inquiring about carries out color adjustment, but it is large to there is the storage space taken, the problem such as to regulate the speed undesirable.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention proposes a kind of screen color method of adjustment, take storage space few, without the need to manual intervention, regulate the speed fast, degree of accuracy is high.
The present invention also proposes a kind of screen color adjusting gear, and structure is simple, dependable performance, realizes the adjustment of full-automatic screen color.
To achieve these goals, technical scheme of the present invention is:
A kind of screen color method of adjustment, comprises the following steps:
S1. the gray-scale value dividing a certain color is n interval, chooses an Interval Gray angle value representative in each interval;
S2. in screen display S1, the Interval Gray angle value of any one interval x represents A;
S3. the gray-scale value of any one pixel m is revised, be sent to screen display, the Interval Gray angle value equaling interval x when the gray-scale value of pixel m of display represents A, stop amendment, the amended gray-scale value of recording pixel point m, aforesaid operations is repeated to other pixel, obtains the amended gray-scale value of all pixels of whole screen;
S4. the Interval Gray angle value of the amended gray-scale value of all pixels of whole screen obtained in S3 and interval x is represented A and do ratio, obtain a ratio table Q, preserve ratio table Q;
S5. other gray-scale value in interval x is multiplied with ratio table Q, rounds;
S6. S2-S5 is repeated to the adjustment in other interval.
The screen color method of adjustment that the present invention proposes, only need preserve n ratio table corresponding to n gray value interval, committed memory is little; Directly judge whether the gray-scale value of actual displayed pixel is satisfied with the pixel gray-scale value needing display, finally determine adjustment ratio table, processing speed is fast; Realize the adjustment of full-automatic color, without the need to manual intervention, save human cost and degree of accuracy is high.
The present invention also proposes a kind of screen color adjusting gear, and regulate the speed fast, result degree of accuracy is high.
Specific implementation is: a kind of screen color adjusting gear, comprising:
Gray-scale value divides and chooses module, is n interval for dividing the gray-scale value of a certain color, chooses an Interval Gray angle value representative in each interval;
Gray-scale value output module, divide for output gray level value and choose in module, the Interval Gray angle value of any one interval x represents A and shows to screen;
Gray-scale value amendment record module, for revising the gray-scale value of any one pixel m, be sent to screen display, the Interval Gray angle value equaling interval x when the gray-scale value of pixel m of display represents A, stop amendment, the amended gray-scale value of recording pixel point m, repeats aforesaid operations to other pixel, obtains the amended gray-scale value of all pixels of whole screen;
Gray-scale value compares preservation module, for the amended gray-scale value of all pixels of whole screen will obtained in gray-scale value amendment record module, represents A do ratio with the Interval Gray angle value of interval x, obtain a ratio table Q, preserves ratio table Q;
Gray-scale value adjusting module, for being multiplied with ratio table Q by other gray-scale value in interval x, rounds.
Compared with prior art, beneficial effect of the present invention is:
1) a kind of screen color method of adjustment of the present invention's proposition, in whole adjustment process, only need preserve n ratio table corresponding to n gray value interval, committed memory is little.
2) a kind of screen color method of adjustment of the present invention's proposition, need not set up huge database and inquire about, and directly judges whether the gray-scale value of actual displayed pixel is satisfied with the pixel gray-scale value needing display, and finally determine adjustment ratio table, processing speed is fast.
3) a kind of screen color method of adjustment of proposing of the present invention, realizes the adjustment of full-automatic color, without the need to manual intervention, saves human cost and degree of accuracy is high.
4) a kind of screen color adjusting gear of proposing of the present invention, structure is simple, dependable performance, easy to use, realizes the adjustment of full-automatic screen color.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of screen color method of adjustment of the present invention.
Fig. 2 is the schematic diagram by screen front camera shooting image in the embodiment of the present invention.
Fig. 3 is the structural representation of screen color adjusting gear of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, but embodiments of the present invention are not limited to this.
Here with whole screen display for redness time, carry out color be adjusted to example, other color adjustment in like manner.
As shown in Figure 1, a kind of screen color method of adjustment, comprises the following steps:
S1. in 0-255 gray-scale value of redness, be divided into n interval (preferred n is between 2-8), and an Interval Gray angle value representative is chosen in each interval, as, divide three intervals, 0-50,50-150,150-255, the Interval Gray angle value of 0-50 is represented as 50, the Interval Gray angle value that the Interval Gray angle value of 50-150 is represented as 150,150-255 is represented as 250;
S2. an interval Interval Gray angle value representative in screen full screen display S1, as 50;
S3. to a certain pixel, the gray-scale value (amendment scope is between 50-20 and 50+20) of continuous this pixel of amendment, and be sent to screen and show, often revise once, the camera being placed on screen front carries out taking once, as when being modified to value 65, the gray-scale value of the pixel that camera photographs is that Interval Gray angle value represents 50, then record the amended gray-scale value 65 of this pixel, stop amendment, next pixel is also so repeated, until recorded the amended gray-scale value of all pixels of whole screen, namely realize in the picture of camera shooting, the gray-scale value of the pixel of whole screen display is 50,
S4. the amended gray-scale value of all pixels of whole screen will obtained in S3, all represents 50 with Interval Gray angle value and does ratio, obtains a ratio table Q50, preserves ratio table Q50;
S5. to the gray-scale value of 0-50 other pixel interval, all adjust with ratio table Q50, be namely all multiplied by ratio table Q50, round;
S6. the adjustment (as interval in 50-150,150-255 is interval) of rest interval also completes adjustment according to S2 to S5.
The screen color method of adjustment that the present invention proposes, only need preserve n ratio table corresponding to n gray value interval, committed memory is little; Directly judge whether the gray-scale value of actual displayed pixel is satisfied with the pixel gray-scale value needing display, finally determine adjustment ratio table, processing speed is fast; Realize the adjustment of full-automatic color, without the need to manual intervention, save human cost and degree of accuracy is high.
Wherein, photograph whole screen with camera, as shown in Figure 2, the camera 101 being placed on screen front can photograph whole screen 102.
In S3, the gray-scale value completing the display pixel point of whole screen is 50, the amended gray-scale value form of recording pixel point, (only representing with 4*4 pixel) as follows.
| 65 | 60 | 55 | 60 |
| 60 | 45 | 50 | 65 |
| 50 | 60 | 65 | 45 |
| 50 | 40 | 50 | 60 |
In S4, by the amended gray-scale value of screen pixels point obtained in S3, all represent 50 with Interval Gray angle value and do ratio, obtain a ratio table Q50 as follows.
| 1.3 | 1.2 | 1.1 | 1.2 |
| 1.2 | 0.9 | 1 | 1.3 |
| 1 | 1.2 | 1.3 | 0.9 |
| 1 | 0.8 | 1 | 1.2 |
In S5, to the gray-scale value of 0-50 other pixel interval, be all multiplied by ratio table Q50, round, as needed the gray-scale value of screen display pixel to be 20, then on screen display movement, write the product of 20 and ratio table Q50, then round, result is as follows.
| 26 | 24 | 22 | 24 |
| 24 | 18 | 20 | 26 |
| 20 | 24 | 26 | 18 |
| 20 | 16 | 20 | 24 |
The present invention also proposes a kind of screen color adjusting gear, and regulate the speed fast, result degree of accuracy is high.
As shown in Figure 3, a kind of screen color adjusting gear, comprising specific implementation:
Gray-scale value divides and chooses module, be n interval (preferred n is between 2-8) for dividing 0-255 red gray-scale value, and an Interval Gray angle value representative is chosen in each interval, as, divide three intervals, 0-50,50-150,150-255, the Interval Gray angle value of 0-50 is represented as 50, the Interval Gray angle value that the Interval Gray angle value of 50-150 is represented as 150,150-255 is represented as 250;
Gray-scale value output module, divides for output gray level value and chooses in module, and an interval Interval Gray angle value representative, as 50, shows to screen;
Gray-scale value amendment record module, for to a certain pixel, the gray-scale value (amendment scope is between 50-20 and 50+20) of continuous this pixel of amendment, and be sent to screen and show, often revise once, the camera being placed on screen front carries out taking once, as when being modified to value 65, the gray-scale value of the pixel that camera photographs is that Interval Gray angle value represents 50, then record the amended gray-scale value 65 of this pixel, stop amendment, next pixel is also so repeated, until recorded the amended gray-scale value of all pixels of whole screen, namely realize in the picture of camera shooting, the gray-scale value of the pixel of whole screen display is 50,
Gray-scale value compares preservation module, for the amended gray-scale value of all pixels of whole screen will obtained in S3, all represents 50 with Interval Gray angle value and does ratio, obtain a ratio table Q50, preserves ratio table Q50;
Gray-scale value adjusting module, for the gray-scale value by other pixel interval for 0-50, is multiplied by ratio table Q50, rounds.
A kind of screen color method of adjustment that the present invention proposes, in whole adjustment process, only need preserve n ratio table corresponding to n gray value interval, committed memory is little.
A kind of screen color method of adjustment that the present invention proposes, need not set up huge database and inquire about, and directly judges whether the gray-scale value of actual displayed pixel is satisfied with the pixel gray-scale value needing display, and finally determine adjustment ratio table, processing speed is fast.
A kind of screen color method of adjustment that the present invention proposes, realizes the adjustment of full-automatic color, without the need to manual intervention, saves human cost and degree of accuracy is high.
A kind of screen color adjusting gear that the present invention proposes, structure is simple, dependable performance, easy to use, realizes the adjustment of full-automatic screen color.
Above-described embodiments of the present invention, do not form limiting the scope of the present invention.Any amendment done within spiritual principles of the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (5)
1. a screen color method of adjustment, is characterized in that, comprises the following steps:
S1. the gray-scale value dividing a certain color is n interval, chooses an Interval Gray angle value representative in each interval;
S2. in screen display S1, the Interval Gray angle value of any one interval x represents A;
S3. the gray-scale value of any one pixel m is revised, be sent to screen display, the Interval Gray angle value equaling interval x when the gray-scale value of pixel m of display represents A, stop amendment, the amended gray-scale value of recording pixel point m, aforesaid operations is repeated to other pixel, obtains the amended gray-scale value of all pixels of whole screen;
S4. the Interval Gray angle value of the amended gray-scale value of all pixels of whole screen obtained in S3 and interval x is represented A and do ratio, obtain a ratio table Q, preserve ratio table Q;
S5. other gray-scale value in interval x is multiplied with ratio table Q, rounds;
S6. S2-S5 is repeated to the adjustment in other interval.
2. screen color method of adjustment according to claim 1, is characterized in that, in described S3, revise the gray-scale value of any one pixel m, amendment scope is: B-20 to B+20, and wherein B is the gray-scale value of pixel m.
3. screen color method of adjustment according to claim 2, it is characterized in that, in described S3, the Interval Gray angle value equaling interval x when the gray-scale value of pixel m of display represents A, stops amendment, the amended gray-scale value of recording pixel point m, specifically: camera is placed on screen front and takes, the Interval Gray angle value equaling interval x when the gray-scale value of pixel m of shooting represents A, stops amendment, the amended gray-scale value of recording pixel point m.
4. screen color method of adjustment according to any one of claim 1 to 3, is characterized in that, in described S1, the gray-scale value dividing a certain color is n interval, and the value of n is: 2-8.
5. a screen color adjusting gear, is characterized in that, comprising:
Gray-scale value divides and chooses module, is n interval for dividing the gray-scale value of a certain color, chooses an Interval Gray angle value representative in each interval;
Gray-scale value output module, divide for output gray level value and choose in module, the Interval Gray angle value of any one interval x represents A and shows to screen;
Gray-scale value amendment record module, for revising the gray-scale value of any one pixel m, be sent to screen display, the Interval Gray angle value equaling interval x when the gray-scale value of pixel m of display represents A, stop amendment, the amended gray-scale value of recording pixel point m, repeats aforesaid operations to other pixel, obtains the amended gray-scale value of all pixels of whole screen;
Gray-scale value compares preservation module, for the amended gray-scale value of all pixels of whole screen will obtained in gray-scale value amendment record module, represents A do ratio with the Interval Gray angle value of interval x, obtain a ratio table Q, preserves ratio table Q;
Gray-scale value adjusting module, for being multiplied with ratio table Q by other gray-scale value in interval x, rounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310489443.7A CN103531173B (en) | 2013-10-17 | 2013-10-17 | A kind of screen color method of adjustment and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310489443.7A CN103531173B (en) | 2013-10-17 | 2013-10-17 | A kind of screen color method of adjustment and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103531173A CN103531173A (en) | 2014-01-22 |
| CN103531173B true CN103531173B (en) | 2016-03-02 |
Family
ID=49933131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310489443.7A Expired - Fee Related CN103531173B (en) | 2013-10-17 | 2013-10-17 | A kind of screen color method of adjustment and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103531173B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943092A (en) * | 2014-05-05 | 2014-07-23 | 广东威创视讯科技股份有限公司 | Screen color correction method and system for display unit |
| CN105611259B (en) * | 2015-12-17 | 2017-12-29 | 苏州佳世达光电有限公司 | LCD projector color uniformity method of adjustment and adjusting apparatus |
| CN110049301B (en) * | 2019-04-23 | 2020-12-25 | 湖南科技学院 | Picture color adjusting system for cloud computing |
| CN110942492A (en) * | 2019-11-25 | 2020-03-31 | 网易（杭州）网络有限公司 | Color value selection method and device, electronic equipment and computer readable medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200623016A (en) * | 2004-12-17 | 2006-07-01 | Realtek Semiconductor Corp | Method and apparatus of image processing |
| CN101964891A (en) * | 2010-09-13 | 2011-02-02 | 广东威创视讯科技股份有限公司 | Screen seamless mosaicing image processing method and device therefor |
| CN102426828A (en) * | 2011-10-08 | 2012-04-25 | 广东威创视讯科技股份有限公司 | Screen edge color adjusting method and device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2368436B (en) * | 2000-05-16 | 2004-06-09 | Hewlett Packard Co | Named color substitution |
| JP3973827B2 (en) * | 2000-08-14 | 2007-09-12 | Ｎｅｃディスプレイソリューションズ株式会社 | Color adjustment method and apparatus |
| KR101587606B1 (en) * | 2009-09-07 | 2016-01-25 | 삼성디스플레이 주식회사 | Data processing device display system having the same and method of processing data |
-
2013
- 2013-10-17 CN CN201310489443.7A patent/CN103531173B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200623016A (en) * | 2004-12-17 | 2006-07-01 | Realtek Semiconductor Corp | Method and apparatus of image processing |
| CN101964891A (en) * | 2010-09-13 | 2011-02-02 | 广东威创视讯科技股份有限公司 | Screen seamless mosaicing image processing method and device therefor |
| CN102426828A (en) * | 2011-10-08 | 2012-04-25 | 广东威创视讯科技股份有限公司 | Screen edge color adjusting method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103531173A (en) | 2014-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106531060B (en) | The bearing calibration of LED display bright chroma and device | |
| CN103402117B (en) | Based on the video image color cast detection method of Lab chrominance space | |
| CN104168475B (en) | A kind of imaging type of digital camera changeable parameters obtains the method for color tristimulus values | |
| US10008148B2 (en) | Image processing apparatus, image processing method, display device, computer program and computer-readable medium | |
| CN101674443B (en) | Method for correcting colors of projector | |
| US20140055481A1 (en) | Method of displaying on an electronic device and electronic device | |
| RU2450476C2 (en) | Device and method to determine optimal backlighting | |
| CN104064147B (en) | The bearing calibration of LED display bright chroma | |
| US10339849B2 (en) | Method and system for regulating brightness and chromaticity of display panel | |
| CN101163253B (en) | Method and device for searching new color temperature point | |
| CN103531173B (en) | A kind of screen color method of adjustment and device | |
| CN106601167A (en) | Gray scale compensation method, apparatus and system of display panel | |
| CN104485068A (en) | Luminance-chrominance correction method and system of LED (Light Emitting Diode) display screen | |
| CN105551431B (en) | LED display module uniformity correcting method | |
| CN110189714A (en) | The display methods and device, electronic equipment, medium of backlight are adjusted with region | |
| CN101324749B (en) | Method for performing projection display on veins plane | |
| CN104639923A (en) | Method and device for processing image data, and terminal | |
| CN104320641B (en) | Apparatus and method for automated self-training of white balance by electronic cameras | |
| CN110660352B (en) | Point-to-point correction method, device and system for LED display screen and storage medium | |
| CN107800979A (en) | High dynamic range video image pickup method and filming apparatus | |
| CN102426828B (en) | Screen edge color adjusting method and device | |
| CN104299574A (en) | Automatic current limiting method for OLED (Organic Light Emitting Diode) display driving device | |
| Mead et al. | Ubiquitous luminance sensing using the Raspberry Pi and Camera Module system | |
| CN111091785A (en) | Color cast compensation method and device | |
| JP2015179915A (en) | Color fidelity simulation device and color fidelity simulation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Kezhu road high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 233 510670 Patentee after: VTRON GROUP Co.,Ltd. Address before: 510663 No. 6, color road, hi tech Industrial Development Zone, Guangdong, Guangzhou, China Patentee before: VTRON TECHNOLOGIES Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20211017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |