CN102364954A - Method for automatically regulating picture quality of television - Google Patents
Method for automatically regulating picture quality of television Download PDFInfo
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- CN102364954A CN102364954A CN2011103477521A CN201110347752A CN102364954A CN 102364954 A CN102364954 A CN 102364954A CN 2011103477521 A CN2011103477521 A CN 2011103477521A CN 201110347752 A CN201110347752 A CN 201110347752A CN 102364954 A CN102364954 A CN 102364954A
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Abstract
The invention discloses a method for automatically regulating the picture quality of a television, and aims to improve working efficiency, keep the consistency of regulation results and improve the picture quality of the television. A testing computer is connected with a color analyzer by a universal serial bus (USB) interface, is connected with a high-definition digital signal generator by a serial communication interface and is connected with an infrared remote controller device by a USB interface. The infrared remote controller device communicates with a television to be tested. The high-definition digital signal generator is connected with the television to be tested by a high-definition multimedia interface (HDMI). The method comprises the following steps of: (1) performing white area regulation; (2) performing black area regulation; and (3) judging whether color coordinates x and y of a white area meet standard specifications or not, finishing testing if the color coordinates x and y of the white area meet the standard specifications, and returning to the step (1) if the color coordinates x and y of the white area do not meet the standard specifications. By the method provided by the invention, regulation time can be shortened, the influence of human factors is avoided, and the overall picture quality of the television is improved.
Description
Technical field
The present invention relates to a kind of method of automatic adjustment TV image quality.
Background technology
Along with the continuous progress of LCD TV Display Technique, people are also more and more harsher for the requirement of image quality, thereby the adjustment of TV image quality just becomes very important aspect for the developer.
At present; The adjustment of TV image quality mainly is to use the high-definition digital signal generator to send specific resolution chart to TV by the developer; Use current x, the y coordinate of CA210 color tester test; Through manual adjustment, make chromaticity coordinates x and y satisfy standard specification, thereby accomplish the adjustment of TV white balance R_Gain, B_Gain and R_Offset, B_Offset.
Since adopt the manual type adjustment, length consuming time, inefficiency, and owing to there is human factor, adjustment result's consistency is not good, influences the overall quality of TV.
Summary of the invention
The present invention is in order to overcome weak point of the prior art, a kind of method of automatic adjustment TV image quality to be provided, to increase work efficiency, keep regulating result's consistency, improving TV image quality quality.
The present invention realizes through following technical proposals:
A kind of method of automatic adjustment TV image quality; It is characterized in that; Comprise test with computer, infrared remote control apparatus, high-definition digital signal generator, color analysis instrument, test is connected with color analysis instrument through USB interface with computer, and test is connected with the high-definition digital signal generator through serial communication interface with computer; Test is connected with the infrared remote control apparatus through USB interface with computer; Infrared remote control apparatus and television set communication to be tested, the high-definition digital signal generator is connected with television set to be tested through the HDMI interface, and this method comprises the steps:
(1) carry out the white portion adjustment:
The white of color analysis instrument is analyzed probe placement on the white portion of television set to be tested, and said white portion adjustment process comprises the steps:
Step 1 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction to television set to be tested, and television set to be tested is switched to the HDMI signal;
Step 2 is tested the high-definition digital signal generator that computerizeds control and is sent the white balance test signal;
Step 3 is used the white of color analyzer to analyze the chromaticity coordinates y of probe measurement white portion, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured is compared, if satisfy standard specification, carries out step 5, if satisfied, carries out step 4;
Step 4 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction adjustment blue gain to television set to be tested, returns step 3 then;
Step 5 is used the white of color analyzer to analyze the chromaticity coordinates x of probe measurement white portion, and chromaticity coordinates x and the reference colour coordinate x value 0.272 measured is compared, if satisfy standard specification, carries out step 7, if satisfied, carries out step 6;
Step 6 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction adjustment red gain to television set to be tested, returns step 5 then;
Step 7 is used the white of color analyzer to analyze the chromaticity coordinates y of probe measurement white portion, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured is compared; If satisfy standard specification, adjustment finishes, and preserves blue gain and red gain; If do not satisfy, carry out step 4;
(2) carry out the black region adjustment:
The black of color analysis instrument is analyzed probe placement on the black region of television set to be tested, and said black region adjustment process comprises the steps:
Step 1 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction to television set to be tested, and television set to be tested is switched to the HDMI signal;
Step 2 is tested the high-definition digital signal generator that computerizeds control and is sent the white balance test signal;
Step 3, the black of use color analysis instrument is analyzed the chromaticity coordinates y of probe measurement black region, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured are compared, if satisfy standard specification, carries out step 5, if do not satisfy, carries out step 4;
Step 4 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus returns step 3 then to television transmission instruction adjustment blue shift amount to be tested;
Step 5, the black of use color analysis instrument is analyzed the chromaticity coordinates x of probe measurement black region, and chromaticity coordinates x and the reference colour coordinate x value 0.272 measured are compared, if satisfy standard specification, carries out step 7, if do not satisfy, carries out step 6;
Step 6 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction adjustment red shift amount to television set to be tested, returns step 5 then;
Step 7; Use the chromaticity coordinates y of the black analysis probe measurement black region of color analysis instrument, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured are compared, if satisfy standard specification; Adjustment finishes; And preserve blue shift amount and red shift amount, if do not satisfy, carry out step 4;
(3) judge whether the chromaticity coordinates x of white portion and y meet standard requirements, test,, then return step (1) if undesirable if meet the requirements then finish.
The present invention has following technique effect:
TV image quality adjustment method of the present invention adopts self-regulating mode, can reduce the adjusting time, enhances productivity, and can keep TV image quality adjustment result's consistency simultaneously, avoids artificial factor, has improved the overall quality of TV image quality.
Description of drawings
Fig. 1 adjusts the flow chart of the method for TV image quality automatically for the present invention;
Fig. 2 is the flow chart of white portion adjustment;
Fig. 3 is the flow chart of black region adjustment;
Fig. 4 is a TV image quality automatic adjustment system structural representation.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
It is as shown in Figure 4 that the present invention adjusts the employed TV image quality of the method automatic adjustment system structural representation of TV image quality automatically; Comprise that test is with computer, infrared remote control apparatus, high-definition digital signal generator, color analysis instrument; Test is connected with color analysis instrument through USB interface with computer; Test is connected with the high-definition digital signal generator through serial communication interface with computer; Test is connected with the infrared remote control apparatus through USB interface with computer, infrared remote control apparatus and television set communication to be tested, and the high-definition digital signal generator is connected with television set to be tested through the HDMI interface.Color analysis instrument adopts the CA210 color analysis instrument, and No. 1 probe of CA210 color analysis instrument is used for white portion to be surveyed, and No. 2 probes are used for black region and survey.
It is as shown in Figure 1 that the present invention adjusts the flow chart of method of TV image quality automatically, comprises the steps:
(1) carry out the white portion adjustment:
The white of color analysis instrument is analyzed probe placement on the white portion of television set to be tested, and said white portion adjustment flow chart is as shown in Figure 2, comprises the steps:
Step 1 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction to television set to be tested, and television set to be tested is switched to the HDMI signal;
Step 2 is tested the high-definition digital signal generator that computerizeds control and is sent white balance test signal (Pattern92);
Step 3 is used the white of color analyzer to analyze the chromaticity coordinates y of probe measurement white portion, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured is compared, if satisfy the specification standards requirement, carries out step 5, if satisfied, carries out step 4;
Step 4 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction adjustment blue gain (B_Gain) to television set to be tested, returns step 3 then;
Step 5 is used the white of color analyzer to analyze the chromaticity coordinates x of probe measurement white portion, and chromaticity coordinates x and the reference colour coordinate x value 0.272 measured is compared, if satisfy the specification standards requirement, carries out step 7, if satisfied, carries out step 6;
Step 6 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction adjustment red gain (R_Gain) to television set to be tested, returns step 5 then;
Step 7; Use the chromaticity coordinates y of the white analysis probe measurement white portion of color analyzer, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured are compared, if satisfy specification; Adjustment finishes; And preserve blue gain (B_Gain) and red gain (R_Gain), if do not satisfy, carry out step 4.
(2) carry out the black region adjustment:
The black of color analysis instrument is analyzed probe placement on the black region of television set to be tested, and said black region adjustment flow chart is as shown in Figure 3, comprises the steps:
Step 1 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction to television set to be tested, and television set to be tested is switched to the HDMI signal;
Step 2 is tested the high-definition digital signal generator that computerizeds control and is sent white balance test signal (Pattern92);
Step 3, the black of use color analysis instrument is analyzed the chromaticity coordinates y of probe measurement black region, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured are compared, if satisfy standard specification, carries out step 5, if do not satisfy, carries out step 4;
Step 4 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus returns step 3 then to television transmission instruction adjustment blue shift amount (B_Offset) to be tested;
Step 5, the black of use color analysis instrument is analyzed the chromaticity coordinates x of probe measurement black region, and chromaticity coordinates x and the reference colour coordinate x value 0.272 measured are compared, if satisfy standard specification, carries out step 7, if do not satisfy, carries out step 6;
Step 6 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction adjustment red shift amount (R_Offset) to television set to be tested, returns step 5 then;
Step 7; Use the chromaticity coordinates y of the black analysis probe measurement black region of color analysis instrument, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured are compared, if satisfy standard specification; Adjustment finishes; And preserve blue shift amount (B_Offset) and red shift amount (R_Offset), if do not satisfy, carry out step 4.
(3) judge whether the chromaticity coordinates x of white portion and y meet standard requirements, finish test if white portion meets the requirements,, then return step (1) if white portion is undesirable.
The test and the Adjustment System of TV image quality white balance built in method use test of the present invention with computer, infrared remote control apparatus, high-definition digital signal generator, color analysis instrument, TV; Improve the method for existing TV image quality white balance test and adjustment; Do not need the developer to carry out manual adjustment fully; Improved efficient, and the result of test and image quality adjustment has more accuracy and reliability, improved the quality of product.
Claims (1)
1. automatic method of adjustment TV image quality; It is characterized in that; Comprise test with computer, infrared remote control apparatus, high-definition digital signal generator, color analysis instrument, test is connected with color analysis instrument through USB interface with computer, and test is connected with the high-definition digital signal generator through serial communication interface with computer; Test is connected with the infrared remote control apparatus through USB interface with computer; Infrared remote control apparatus and television set communication to be tested, the high-definition digital signal generator is connected with television set to be tested through the HDMI interface, and this method comprises the steps:
(1) carry out the white portion adjustment:
The white of color analysis instrument is analyzed probe placement on the white portion of television set to be tested, and said white portion adjustment process comprises the steps:
Step 1 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction to television set to be tested, and television set to be tested is switched to the HDMI signal;
Step 2 is tested the high-definition digital signal generator that computerizeds control and is sent the white balance test signal;
Step 3 is used the white of color analyzer to analyze the chromaticity coordinates y of probe measurement white portion, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured is compared, if satisfy standard specification, carries out step 5, if satisfied, carries out step 4;
Step 4 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction adjustment blue gain to television set to be tested, returns step 3 then;
Step 5 is used the white of color analyzer to analyze the chromaticity coordinates x of probe measurement white portion, and chromaticity coordinates x and the reference colour coordinate x value 0.272 measured is compared, if satisfy standard specification, carries out step 7, if satisfied, carries out step 6;
Step 6 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction adjustment red gain to television set to be tested, returns step 5 then;
Step 7 is used the white of color analyzer to analyze the chromaticity coordinates y of probe measurement white portion, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured is compared; If satisfy standard specification, adjustment finishes, and preserves blue gain and red gain; If do not satisfy, carry out step 4;
(2) carry out the black region adjustment:
The black of color analysis instrument is analyzed probe placement on the black region of television set to be tested, and said black region adjustment process comprises the steps:
Step 1 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction to television set to be tested, and television set to be tested is switched to the HDMI signal;
Step 2 is tested the high-definition digital signal generator that computerizeds control and is sent the white balance test signal;
Step 3, the black of use color analysis instrument is analyzed the chromaticity coordinates y of probe measurement black region, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured are compared, if satisfy standard specification, carries out step 5, if do not satisfy, carries out step 4;
Step 4 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus returns step 3 then to television transmission instruction adjustment blue shift amount to be tested;
Step 5, the black of use color analysis instrument is analyzed the chromaticity coordinates x of probe measurement black region, and chromaticity coordinates x and the reference colour coordinate x value 0.272 measured are compared, if satisfy standard specification, carries out step 7, if do not satisfy, carries out step 6;
Step 6 is tested the infrared remote control apparatus that computerizeds control, and the infrared remote control apparatus sends instruction adjustment red shift amount to television set to be tested, returns step 5 then;
Step 7; Use the chromaticity coordinates y of the black analysis probe measurement black region of color analysis instrument, and chromaticity coordinates y and the reference colour coordinate y value 0.278 measured are compared, if satisfy standard specification; Adjustment finishes; And preserve blue shift amount and red shift amount, if do not satisfy, carry out step 4;
(3) judge whether the chromaticity coordinates x of white portion and y meet standard requirements, test,, then return step (1) if undesirable if meet the requirements then finish.
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| CN2011103477521A CN102364954A (en) | 2011-11-07 | 2011-11-07 | Method for automatically regulating picture quality of television |
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| CN2011103477521A CN102364954A (en) | 2011-11-07 | 2011-11-07 | Method for automatically regulating picture quality of television |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103024429A (en) * | 2012-12-06 | 2013-04-03 | 四川长虹电器股份有限公司 | Apparatus and method for plasma televisions picture quality improvement |
| CN103152602A (en) * | 2013-03-27 | 2013-06-12 | 冠捷显示科技（厦门）有限公司 | Method for measuring picture definition data of television |
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| US5311294A (en) * | 1991-07-20 | 1994-05-10 | International Business Machines Corporation | Method and apparatus for setting the color balance of a color display device |
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| CN103024429A (en) * | 2012-12-06 | 2013-04-03 | 四川长虹电器股份有限公司 | Apparatus and method for plasma televisions picture quality improvement |
| CN103152602A (en) * | 2013-03-27 | 2013-06-12 | 冠捷显示科技（厦门）有限公司 | Method for measuring picture definition data of television |
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Application publication date: 20120229 |