CN103531173A - Method and device for adjusting color of screen - Google Patents
Method and device for adjusting color of screen Download PDFInfo
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- CN103531173A CN103531173A CN201310489443.7A CN201310489443A CN103531173A CN 103531173 A CN103531173 A CN 103531173A CN 201310489443 A CN201310489443 A CN 201310489443A CN 103531173 A CN103531173 A CN 103531173A
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Abstract
The invention discloses a method and a device for adjusting the color of a screen. The method comprises the following steps of dividing a color grey value into n intervals, and selecting each interval grey value representative; displaying any interval grey value representative on the screen; modifying the grey value of some pixel point, stopping modifying and recording when the displayed grey value of the pixel point is equal to the interval grey value representative, and repeating the operation on other pixel points; comparing the modified grey values of the pixel points and the interval grey value representative, and obtaining and storing a comparison value table; multiplying other grey values in the interval with the comparison value table, and obtaining an integer; repeating the operation to adjust the other intervals and finishing adjustment. The method for adjusting the color of the screen is small in memory occupation and high in processing speed, and manual intervention is not required. The device for adjusting the color of the screen comprises a grey value dividing and selecting module, a grey value outputting module, a grey value modifying and recording module, a grey value comparing and storing module and a grey value adjusting module, the color of the screen is automatically adjusted, the time is saved, and the precision is high.
Description
Technical field
The present invention relates to display device color and adjust field, more specifically, relate to a kind of screen color method of adjustment and device.
Background technology
Along with people transmit the lifting of demand to demonstration information, the application of large screen display has spreaded all over the every field such as public's demonstration, communications and transportation dispatch control, meteorological monitoring, the monitoring of electric power telecommunications, fire fighting monitoring commander, military commanding.
Existing Large Screen Display Technology, mainly by stacking mode, is carried out combined and spliced demonstration by a plurality of display units.The advantage of Mosaic screen is to improve the systemic resolution that shows, increase display area, can realize whole display screen shows a complete picture, also can open window etc. in the optional position of display screen, but also there is its shortcoming simultaneously, be exactly between each display unit color inconsistent, the color of even single display unit the inside also can exist inconsistent.
The method that the adjustment of current most of large screen display color still adopts manpower to adjust, guarantees brightness by selecting movement and bulb before dispatching from the factory, unanimous on the whole, then by manual operation, do again intense adjustment, correction work must professional just can complete, and need the plenty of time, and effect is bad; And another part way is to utilize the optical parametric of each display units of measurement such as color analysis instrument of color sensor or specialty, then analyze and make correction, owing to measuring limited point on same display unit, complicated operation, and because of screen intensity unevenness, cause in same display unit test result on each point to differ greatly, effect correction effect.Also some method, by the image of each gray level of storage display screen each single primary colors, is equivalent to set up an image library, and the mode of then inquiring about is carried out color adjustment, but exists the storage space taking large, the problem such as 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 manual intervention, regulate the speed fast, degree of accuracy is high.
The present invention also proposes a kind of screen color adjusting gear, and simple in structure, dependable performance realizes full-automatic screen color adjustment.
To achieve these goals, technical scheme of the present invention is:
A method of adjustment, comprises the following steps:
S1. the gray-scale value of dividing a certain color is n interval, chooses an interval gray-scale value representative in each interval;
S2. in screen display S1, the interval gray-scale value of any one interval x represents A;
S3. revise the gray-scale value of any one pixel m, send to screen display, the interval gray-scale value that equals interval x when the gray-scale value of the pixel m showing represents A, stop revising, the amended gray-scale value of recording pixel point m, other pixel is repeated to aforesaid operations, obtain the amended gray-scale value of all pixels of whole screen;
S4. the interval gray-scale value of the amended gray-scale value of all pixels of whole screen obtaining in S3 and interval x is represented to A does ratio, obtain a ratio table Q, preserve ratio table Q;
S5. other gray-scale value and ratio table Q in interval x multiplied each other, round;
S6. the adjustment in other interval is repeated to S2-S5.
The screen color method of adjustment that the present invention proposes, only needs to preserve n n the ratio table that gray value interval is corresponding, and committed memory is little; Whether the gray-scale value that directly judges actual displayed pixel is satisfied with the pixel gray-scale value that needs demonstration, finally determines and adjusts ratio table, and processing speed is fast; Realize full-automatic color adjustment, without manual intervention, saving human cost and degree of accuracy are high.
The present invention also proposes a kind of screen color adjusting gear, regulates the speed fast, and result degree of accuracy is high.
Specific implementation is: a kind of screen color adjusting gear, comprising:
Gray-scale value is divided and is chosen module, for dividing the gray-scale value of a certain color, is n interval, chooses an interval gray-scale value representative in each interval;
Gray-scale value output module, divides and chooses module for output gray level value, and the interval gray-scale value of any one interval x represents that A shows to screen;
Gray-scale value amendment record module, for revising the gray-scale value of any one pixel m, send to screen display, the interval gray-scale value that equals interval x when the gray-scale value of the pixel m showing represents A, stop revising, 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 is relatively preserved module, for the amended gray-scale value of all pixels of whole screen that gray-scale value amendment record module is obtained, represents that with the interval gray-scale value of interval x A does ratio, obtains a ratio table Q, preserves ratio table Q;
Gray-scale value adjusting module, for other gray-scale value and ratio table Q of interval x multiplied each other, rounds.
Compared with prior art, beneficial effect of the present invention is:
1) a kind of screen color method of adjustment that the present invention proposes, in whole adjustment process, only needs to preserve n n the ratio table that gray value interval is corresponding, and committed memory is little.
2) 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 that needs demonstration, final definite ratio table of adjusting, and processing speed is fast.
3) a kind of screen color method of adjustment that the present invention proposes, realizes full-automatic color adjustment, and without manual intervention, saving human cost and degree of accuracy are high.
4) a kind of screen color adjusting gear that the present invention proposes, simple in structure, dependable performance, easy to use, realizes full-automatic screen color adjustment.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of screen color method of adjustment of the present invention.
Fig. 2 is by the schematic diagram of screen the place ahead camera photographic images 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 take whole screen display during as redness, carry out color and be adjusted into 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 a red 0-255 gray-scale value, be divided into n interval (preferred n is between 2-8), and an interval gray-scale value representative is chosen in each interval, as, divide three intervals, 0-50,50-150,150-255, the interval gray-scale value of 0-50 is represented as 50, the interval gray-scale value that the interval gray-scale value of 50-150 is represented as 150,150-255 is represented as 250;
S2. an interval interval gray-scale value representative in screen full screen display S1, as 50;
S3. to a certain pixel, constantly revise the gray-scale value (modification scope is between 50-20 and 50+20) of this pixel, and send to screen and show, every modification once, the camera that is placed on screen the place ahead is taken once, as when the value of being modified to 65, the gray-scale value of the pixel that camera photographs is that interval gray-scale value represents 50, record the amended gray-scale value 65 of this pixel, stop revising, next pixel is also so repeated, until recorded the amended gray-scale value of all pixels of whole screen, realize in the picture of taking at camera, the gray-scale value of the pixel of whole screen display is 50,
S4. by the amended gray-scale value of all pixels of whole screen obtaining in S3, all represent that with interval gray-scale value 50 do ratio, obtain a ratio table Q50, preserve ratio table Q50;
S5. the gray-scale value to interval other pixel of 0-50, all adjusts with ratio table Q50, is all multiplied by ratio table Q50, rounds;
S6. the adjustment of rest interval (as interval in 50-150,150-255 is interval) also completes adjustment according to S2 to S5.
The screen color method of adjustment that the present invention proposes, only needs to preserve n n the ratio table that gray value interval is corresponding, and committed memory is little; Whether the gray-scale value that directly judges actual displayed pixel is satisfied with the pixel gray-scale value that needs demonstration, finally determines and adjusts ratio table, and processing speed is fast; Realize full-automatic color adjustment, without manual intervention, saving human cost and degree of accuracy are high.
Wherein, with camera, photograph whole screen, as shown in Figure 2, the camera 101 that is placed on screen the place ahead can photograph whole screen 102.
In S3, the gray-scale value that completes the display pixel point of whole screen is 50, and recording pixel is put amended gray-scale value form, (only with 4*4 pixel, representing) as follows.
| 65 | 60 | 55 | 60 |
| 60 | 45 | 50 | 65 |
| 50 | 60 | 65 | 45 |
| 50 | 40 | 50 | 60 |
In S4, the screen pixels obtaining in S3 is put to amended gray-scale value, all represent that with interval gray-scale value 50 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, the gray-scale value to interval other pixel of 0-50, is all multiplied by ratio table Q50, rounds, as needs the gray-scale value of screen display pixel to be 20, on screen display movement, write 20 with the product of 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, regulates the speed fast, and result degree of accuracy is high.
As shown in Figure 3, a kind of screen color adjusting gear, comprising specific implementation:
Gray-scale value is divided and is chosen module, for dividing a red 0-255 gray-scale value, be n interval (preferred n is between 2-8), and an interval gray-scale value representative is chosen in each interval, as, divide three intervals, 0-50,50-150,150-255, the interval gray-scale value of 0-50 is represented as 50, the interval gray-scale value that the interval gray-scale value of 50-150 is represented as 150,150-255 is represented as 250;
Gray-scale value output module, divides and chooses module for output gray level value, and an interval interval gray-scale value representative, as 50, shows to screen;
Gray-scale value amendment record module, be used for a certain pixel, constantly revise the gray-scale value (modification scope is between 50-20 and 50+20) of this pixel, and send to screen and show, every modification once, the camera that is placed on screen the place ahead is taken once, as when the value of being modified to 65, the gray-scale value of the pixel that camera photographs is that interval gray-scale value represents 50, record the amended gray-scale value 65 of this pixel, stop revising, next pixel is also so repeated, until recorded the amended gray-scale value of all pixels of whole screen, realize in the picture of taking at camera, the gray-scale value of the pixel of whole screen display is 50,
Gray-scale value is relatively preserved module, and the amended gray-scale value of all pixels of whole screen for S3 is obtained, all represents that with interval gray-scale value 50 do ratio, obtains a ratio table Q50, preserves ratio table Q50;
Gray-scale value adjusting module, for by the gray-scale value of interval other pixel of 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 needs to preserve n n the ratio table that gray value interval is corresponding, and 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 that needs demonstration, final definite ratio table of adjusting, and processing speed is fast.
A kind of screen color method of adjustment that the present invention proposes, realizes full-automatic color adjustment, and without manual intervention, saving human cost and degree of accuracy are high.
A kind of screen color adjusting gear that the present invention proposes, simple in structure, dependable performance, easy to use, realizes full-automatic screen color adjustment.
Above-described embodiments of the present invention, do not form limiting the scope of the present invention.Any modification of having done within spiritual principles of the present invention, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present invention.
Claims (6)
1. a screen color method of adjustment, is characterized in that, comprises the following steps:
S1. the gray-scale value of dividing a certain color is n interval, chooses an interval gray-scale value representative in each interval;
S2. in screen display S1, the interval gray-scale value of any one interval x represents A;
S3. revise the gray-scale value of any one pixel m, send to screen display, the interval gray-scale value that equals interval x when the gray-scale value of the pixel m showing represents A, stop revising, the amended gray-scale value of recording pixel point m, other pixel is repeated to aforesaid operations, obtain the amended gray-scale value of all pixels of whole screen;
S4. the interval gray-scale value of the amended gray-scale value of all pixels of whole screen obtaining in S3 and interval x is represented to A does ratio, obtain a ratio table Q, preserve ratio table Q;
S5. other gray-scale value and ratio table Q in interval x multiplied each other, round;
S6. the adjustment in other interval is repeated to S2-S5.
2. screen color method of adjustment according to claim 1, is characterized in that, in described S1, the gray-scale value of dividing a certain color is n interval, and the span of n is:.
3. screen color method of adjustment according to claim 2, is characterized in that, in described S3, revises the gray-scale value of any one pixel m, and modification scope is:, wherein B is the gray-scale value of pixel m.
4. screen color method of adjustment according to claim 3, it is characterized in that, in described S3, the interval gray-scale value that equals interval x when the gray-scale value of the pixel m showing represents A, stops revising the amended gray-scale value of recording pixel point m, specifically: camera is placed on screen the place ahead and takes, the interval gray-scale value that equals interval x when the gray-scale value of the pixel m taking represents A, stops revising the amended gray-scale value of recording pixel point m.
5. according to the screen color method of adjustment described in any one in claim 1 to 4, it is characterized in that, in described S1, the gray-scale value of dividing a certain color is n interval, and the value of n is:.
6. a screen color adjusting gear, is characterized in that, comprising:
Gray-scale value is divided and is chosen module, for dividing the gray-scale value of a certain color, is n interval, chooses an interval gray-scale value representative in each interval;
Gray-scale value output module, divides and chooses module for output gray level value, and the interval gray-scale value of any one interval x represents that A shows to screen;
Gray-scale value amendment record module, for revising the gray-scale value of any one pixel m, send to screen display, the interval gray-scale value that equals interval x when the gray-scale value of the pixel m showing represents A, stop revising, 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 is relatively preserved module, for the amended gray-scale value of all pixels of whole screen that gray-scale value amendment record module is obtained, represents that with the interval gray-scale value of interval x A does ratio, obtains a ratio table Q, preserves ratio table Q;
Gray-scale value adjusting module, for other gray-scale value and ratio table Q of interval x multiplied each other, rounds.
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| CN201310489443.7A CN103531173B (en) | 2013-10-17 | 2013-10-17 | A kind of screen color method of adjustment and device |
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| 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 |
| CN105611259A (en) * | 2015-12-17 | 2016-05-25 | 苏州佳世达光电有限公司 | LCD projector color uniformity adjustment method and adjustment device |
| CN110049301A (en) * | 2019-04-23 | 2019-07-23 | 湖南科技学院 | A kind of picture color regulating 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 |
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| 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 |
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| CN103531173B (en) | 2016-03-02 |
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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. |
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