CN102098532B - Gray scale test graphic card of digital mobile terminal video equipment and preparation technology thereof - Google Patents
Gray scale test graphic card of digital mobile terminal video equipment and preparation technology thereof Download PDFInfo
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- CN102098532B CN102098532B CN201010594657A CN201010594657A CN102098532B CN 102098532 B CN102098532 B CN 102098532B CN 201010594657 A CN201010594657 A CN 201010594657A CN 201010594657 A CN201010594657 A CN 201010594657A CN 102098532 B CN102098532 B CN 102098532B
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Abstract
The invention relates to a gray scale test graphic card of digital mobile terminal video equipment and a preparation technology thereof, which can be suitable for testing shooting and light-sensitive devices. The gray scale test graphic card is structurally characterized in that same-size images composed of screen dots of different densities are connected into a whole. The color image gray scale problem of any picture can be quickly and accurately rectified by the gray scale test graphic card. In addition, the gray scale test graphic card has the advantages of simple manufacture flow, wide use range, low cost and stable quality, is convenient to operate and is suitable to popularize and apply.
Description
Technical field
The present invention relates to a kind of test pattern, relate in particular to a kind of digital mobile terminal video equipment GTG test pattern and preparation method, be applicable to the test of digital photographing equipment performance.
Background technology
The GTG of digital camera is meant the resolution capability of digital camera to the grey of different spectrum characteristic or effective spectral characteristic.Different digital cameras have the different gray levels recognition capability, promptly can tell the progression from white to black different intensity gray scale.It is many more generally to discern GTG progression, and its dynamic range is wide more, and level is also just abundant more clear more, and the photo of taking is also just good more; Its dynamic range is narrow more, is taken the photograph the also performance with regard to not obtaining more of level of body.
According to a large amount of vision test results, human eye is numb to the deviation of video mostly, so much human do not think what problem the color image of photochrome has, but really there is deviation in reality.We are the white balances of necessary first calibrator (-ter) unit to the prerequisite whether a width of cloth color photo can truly restore the accuracy of record color; The use test graph card is checked the photo of output then; But GTG test pattern of the prior art, the GTG of checking picture fast and accurately.
In addition, in the prior art, to the preparation technology of GTG test pattern, it is higher that ubiquity cost, the problem that rate of precision is lower.
Summary of the invention
The present invention is directed to the problem that exists in the above-mentioned prior art; A kind of digital mobile terminal video equipment GTG test pattern is provided; Solved in the prior art problem of checking picture color image gray scale rapidly and accurately, and the present invention is easy to use, steady quality.
Another object of the present invention is to provide a kind of preparation method of mobile terminal video equipment GTG test pattern, flow process is simple, makes precisely, and cost is low.
Technical scheme of the present invention is following:
The big or small identical image that is made up of the different site of density degree connects as one.
Described color of image increases progressively from shallow to deep step by step.
Described image is 20 steps.
The site is all with the embodied of vector image in each ladder of described image.
In the described step, the luminous emissivity of A level (T%) is 89.1, and OD value (D) is 0.05, and gray value (H) is 255; 1 grade luminous emissivity (T%) is 70.8, and OD value (D) is 0.15, and gray value (H) is 242, and differential is 13; 2 grades luminous emissivity (T%) is 56.2, and OD value (D) is 0.25, and gray value (H) is 229, and differential is 13; 3 grades luminous emissivity (T%) is 44.7, and OD value (D) is 0.35, and gray value (H) is 221, and differential is 8; 4 grades luminous emissivity (T%) is 34.7, and OD value (D) is 0.45, and gray value (H) is 204, and differential is 17; 5 grades luminous emissivity (T%) is 28.2, and OD value (D) is 0.55, and gray value (H) is 189, and differential is 15; 6 grades luminous emissivity (T%) is 22.4, and OD value (D) is 0.65, and gray value (H) is 175, and differential is 14; The luminous emissivity of M level (T%) is 17.8, and OD value (D) is 0.75, and gray value (H) is 162, and differential is 13; 8 grades luminous emissivity (T%) is 14.1, and OD value (D) is 0.85, and gray value (H) is 148, and differential is 14; 9 grades luminous emissivity (T%) is 11.2, and OD value (D) is 0.95, and gray value (H) is 135, and differential is 13; 10 grades luminous emissivity (T%) is 8.9, and OD value (D) is 1.05, and gray value (H) is 121, and differential is 14; 11 grades luminous emissivity (T%) is 7.1, and OD value (D) is 1.15, and gray value (H) is 108, and differential is 13; 12 grades luminous emissivity (T%) is 5.6, and OD value (D) is 1.25, and gray value (H) is 94, and differential is 14; 13 grades luminous emissivity (T%) is 4.5, and OD value (D) is 1.35, and gray value (H) is 81, and differential is 13; 14 grades luminous emissivity (T%) is 3.5, and OD value (D) is 1.45, and gray value (H) is 67, and differential is 14; 15 grades luminous emissivity (T%) is 2.8, and OD value (D) is 1.55, and gray value (H) is 54, and differential is 13; The luminous emissivity of B level (T%) is 2.2, and OD value (D) is 1.65, and gray value (H) is 40, and differential is 14; 17 grades luminous emissivity (T%) is 1.8, and OD value (D) is 1.75, and gray value (H) is 27, and differential is 13; 18 grades luminous emissivity (T%) is 1.4, and OD value (D) is 1.85, and gray value (H) is 13, and differential is 14; 19 grades luminous emissivity (T%) is 1.1, and OD value (D) is 1.95, and gray value (H) is 0, and differential is 13.
Preparation technology of the present invention comprises the steps:
Figure is set: on PC, utilize image software that 20 figures that are connected that size is identical are set, the site value that each figure assignment 0-100% is different;
Printing: the site that density degree is different is transferred to it on forme through direct forme-producing system with the form of image, the site on the forme is transferred on the paper through printing machine again;
Test: the different gradient densities to transferring on the paper are tested the formation data, and the foundation that all changes as site assignment next time of test data each time is up to reaching design standard;
Finished product.
In the described print steps, when transferring to the site on the forme, keep indoor temperature 23
0C, humidity
40-50%。
In the described print steps, directly the site angle of sending a manuscript to the compositor of platemaking machine is 45
0, the line number is 200dpi.
In the described print steps, alcohol content is 7% in the Bailer liquid of printing machine.
In the described print steps, printing indoor temperature 23
0C, humidity 50%, print speed printing speed 8000 commentaries on classics/little
The time, the printing net-point amplification degree is 15%.
Advantageous effect of the present invention is following:
The present invention can correct any photo color image gray scale problem rapidly accurately.Simultaneously, manufacture craft flow process of the present invention is simple, makes precisely, and the scope of application is wide, and is easy to operate, and cost is lower, and steady quality is suitable for applying.
Principle of the present invention is following:
Variation with the different site of density degree shows different gray levels density.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure, A-19, color of image are increased progressively to black by white step by step, and wherein A is a white, and 19 is black.
Embodiment
The present invention, is described in detail as follows in conjunction with specific embodiment with reference to accompanying drawing:
Embodiment
The present invention selects the 250g of Daewoo art paper for use, and the big or small identical image that is made up of the different site of density degree connects as one; Described image is 20 steps, and color of image increases progressively from shallow to deep step by step, and the site is all with the embodied of vector image in each ladder of image.In the described step, the luminous emissivity of A level (T%) is 89.1, and OD value (D) is 0.05, and gray value (H) is 255; 1 grade luminous emissivity (T%) is 70.8, and OD value (D) is 0.15, and gray value (H) is 242, and differential is 13; 2 grades luminous emissivity (T%) is 56.2, and OD value (D) is 0.25, and gray value (H) is 229, and differential is 13; 3 grades luminous emissivity (T%) is 44.7, and OD value (D) is 0.35, and gray value (H) is 221, and differential is 8; 4 grades luminous emissivity (T%) is 34.7, and OD value (D) is 0.45, and gray value (H) is 204, and differential is 17; 5 grades luminous emissivity (T%) is 28.2, and OD value (D) is 0.55, and gray value (H) is 189, and differential is 15; 6 grades luminous emissivity (T%) is 22.4, and OD value (D) is 0.65, and gray value (H) is 175, and differential is 14; The luminous emissivity of M level (T%) is 17.8, and OD value (D) is 0.75, and gray value (H) is 162, and differential is 13; 8 grades luminous emissivity (T%) is 14.1, and OD value (D) is 0.85, and gray value (H) is 148, and differential is 14; 9 grades luminous emissivity (T%) is 11.2, and OD value (D) is 0.95, and gray value (H) is 135, and differential is 13; 10 grades luminous emissivity (T%) is 8.9, and OD value (D) is 1.05, and gray value (H) is 121, and differential is 14; 11 grades luminous emissivity (T%) is 7.1, and OD value (D) is 1.15, and gray value (H) is 108, and differential is 13; 12 grades luminous emissivity (T%) is 5.6, and OD value (D) is 1.25, and gray value (H) is 94, and differential is 14; 13 grades luminous emissivity (T%) is 4.5, and OD value (D) is 1.35, and gray value (H) is 81, and differential is 13; 14 grades luminous emissivity (T%) is 3.5, and OD value (D) is 1.45, and gray value (H) is 67, and differential is 14; 15 grades luminous emissivity (T%) is 2.8, and OD value (D) is 1.55, and gray value (H) is 54, and differential is 13; The luminous emissivity of B level (T%) is 2.2, and OD value (D) is 1.65, and gray value (H) is 40, and differential is 14; 17 grades luminous emissivity (T%) is 1.8, and OD value (D) is 1.75, and gray value (H) is 27, and differential is 13; 18 grades luminous emissivity (T%) is 1.4, and OD value (D) is 1.85, and gray value (H) is 13, and differential is 14; 19 grades luminous emissivity (T%) is 1.1, and OD value (D) is 1.95, and gray value (H) is 0, and differential is 13.
Preparation technology of the present invention comprises the steps:
Figure is set: on commercial PC, utilizing the photoshop image software that 20 sizes are set is the identical figure that is connected of 20 * 30mm, the site value that each figure assignment 0-100% is different;
Printing: keep indoor temperature 23
0C, humidity 40-50%, the site that density degree is different is with image
Form is produced the direct laminator of Heidelberg E105 system through Germany it is transferred on the forme, and directly the site angle of sending a manuscript to the compositor of platemaking machine is 45
0, the line number is 200dpi; Again Heidelberg CD102 four-color press being produced through Germany in the site on the forme transfers on the paper; Alcohol content is 7% in the Bailer liquid of printing machine; Printing indoor temperature 23
0C, humidity 50%, print speed printing speed 8000 commentaries on classics/hour, the printing net-point amplification degree is 15%.
Test: the different gradient densities to transferring on the paper are tested the formation data with densitometer, and the foundation that all changes as site assignment next time of test data each time is up to reaching design standard;
Finished product.
Protection scope of the present invention is not limit by specific embodiment, is as the criterion with claims.
The present invention entrusts metrology and measurement center Liaoning Institute of Metrology of northeast country to detect, and examining report is following.
The technical basis that the present invention detects is YD/T1607-2007 " digital mobile terminal image and specification requirement of video transmission characteristic and method of testing "; Testing environment is a temperature 20.5
0C, relative humidity 42%; Detecting employed capital equipment is the reflection density on-gauge plate, uncertainty/accuracy class/limits of error U=0.01, k=2.
The corresponding respectively reflection density value of each sequence number of testing result of the present invention is A=0.056; 1=0.158; 2=0.273; 3=0.372; 4=0.474; 5=0.576; 6=0.657; M=0.769; 8=0.858; 9=0.939; 10=1.062; 11=1.159; 12=1.244; 13=1.367; 14=1.471; 15=1.575; B=1.668; 17=1.744; 18=1.829; 19=1.900; Uncertainty U=0.046, k=2.
Claims (5)
1. the preparation method of digital mobile terminal video equipment GTG test pattern, digital mobile terminal video equipment GTG test pattern is connected as one by the big or small identical image that the different site of density degree constitutes; Described image is 20 steps; In the described step, the luminous emissivity of A level is 89.1, and OD value is 0.05, and gray value is 255; 1 grade luminous emissivity is 70.8, and OD value is 0.15, and gray value is 242, and differential is 13; 2 grades luminous emissivity is 56.2, and OD value is 0.25, and gray value is 229, and differential is 13; 3 grades luminous emissivity is 44.7, and OD value is 0.35, and gray value is 221, and differential is 8; 4 grades luminous emissivity is 34.7, and OD value is 0.45, and gray value is 204, and differential is 17; 5 grades luminous emissivity is 28.2, and OD value is 0.55, and gray value is 189, and differential is 15; 6 grades luminous emissivity is 22.4, and OD value is 0.65, and gray value is 175, and differential is 14; The luminous emissivity of M level is 17.8, and OD value is 0.75, and gray value is 162, and differential is 13; 8 grades luminous emissivity is 14.1, and OD value is 0.85, and gray value is 148, and differential is 14; 9 grades luminous emissivity is 11.2, and OD value is 0.95, and gray value is 135, and differential is 13; 10 grades luminous emissivity is 8.9, and OD value is 1.05, and gray value is 121, and differential is 14; 11 grades luminous emissivity is 7.1, and OD value is 1.15, and gray value is 108, and differential is 13; 12 grades luminous emissivity is 5.6, and OD value is 1.25, and gray value is 94, and differential is 14; 13 grades luminous emissivity is 4.5, and OD value is 1.35, and gray value is 81, and differential is 13; 14 grades luminous emissivity is 3.5, and OD value is 1.45, and gray value is 67, and differential is 14; 15 grades luminous emissivity is 2.8, and OD value is 1.55, and gray value is 54, and differential is 13; The luminous emissivity of B level is 2.2, and OD value is 1.65, and gray value is 40, and differential is 14; 17 grades luminous emissivity is 1.8, and OD value is 1.75, and gray value is 27, and differential is 13; 18 grades luminous emissivity is 1.4, and OD value is 1.85, and gray value is 13, and differential is 14; 19 grades luminous emissivity is 1.1, and OD value is 1.95, and gray value is 0, and differential is 13;
It is characterized in that comprising the steps,
Figure is set: on PC, utilize image software that 20 figures that are connected that size is identical are set, the site value that each figure assignment 0-100% is different;
Printing: the site that density degree is different is transferred to it on forme through direct forme-producing system with the form of image, the site on the forme is transferred on the paper through printing machine again;
Test: the different gradient densities to transferring on the paper are tested the formation data, and the foundation that all changes as site assignment next time of test data each time is up to reaching design standard;
Finished product.
2. the preparation method of digital mobile terminal video equipment GTG test pattern according to claim 1,
It is characterized in that in the described print steps, when transferring to the site on the forme, keep indoor temperature 23
0C, humidity 40-50%.
3. the preparation method of digital mobile terminal video equipment GTG test pattern according to claim 1,
It is characterized in that in the described print steps that directly the site angle of sending a manuscript to the compositor of platemaking machine is 45
0, the line number is 200dpi.
4. the preparation method of digital mobile terminal video equipment GTG test pattern according to claim 1,
It is characterized in that in the described print steps that alcohol content is 7% in the Bailer liquid of printing machine.
5. the preparation method of digital mobile terminal video equipment GTG test pattern according to claim 1 is characterized in that in the described print steps, printing indoor temperature 23
0C, humidity 50%, print speed printing speed 8000 commentaries on classics/hour, the printing net-point amplification degree is 15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010594657A CN102098532B (en) | 2010-12-20 | 2010-12-20 | Gray scale test graphic card of digital mobile terminal video equipment and preparation technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010594657A CN102098532B (en) | 2010-12-20 | 2010-12-20 | Gray scale test graphic card of digital mobile terminal video equipment and preparation technology thereof |
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| Publication Number | Publication Date |
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| CN102098532A CN102098532A (en) | 2011-06-15 |
| CN102098532B true CN102098532B (en) | 2012-10-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102802018A (en) * | 2012-08-28 | 2012-11-28 | 沈阳敏像科技有限公司 | Making method of color testing graphic card |
| CN112945867B (en) * | 2021-02-03 | 2023-07-07 | 中国测试技术研究院 | Reflective gray-scale test card measuring system and method |
Citations (7)
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| CN1452769A (en) * | 2000-07-12 | 2003-10-29 | 大日精化工业株式会社 | Image processing device for transmitting color with fidelity and image data providing method |
| CN1635801A (en) * | 2003-12-29 | 2005-07-06 | 上海迪比特实业有限公司 | A method for testing digital video camera equipment by using combined image |
| CN1670630A (en) * | 2004-03-18 | 2005-09-21 | 佳能株式会社 | Image color correction method and image forming apparatus |
| CN101038713A (en) * | 2006-03-13 | 2007-09-19 | 神基科技股份有限公司 | Pattern generation system, method and storage medium for display testing |
| CN101315518A (en) * | 2007-05-30 | 2008-12-03 | Hoya株式会社 | Photomask testing method, photomask manufacture method, electronic component manufacture method, testing mask and testing mask set |
| CN201364723Y (en) * | 2009-03-12 | 2009-12-16 | 青岛海信电器股份有限公司 | Gamma caching circuit adapting to various LCDs and television adopting same |
| CN201967066U (en) * | 2010-12-20 | 2011-09-07 | 沈阳敏像科技有限公司 | Gray scale test chart for digital mobile terminal video equipment |
-
2010
- 2010-12-20 CN CN201010594657A patent/CN102098532B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1452769A (en) * | 2000-07-12 | 2003-10-29 | 大日精化工业株式会社 | Image processing device for transmitting color with fidelity and image data providing method |
| CN1635801A (en) * | 2003-12-29 | 2005-07-06 | 上海迪比特实业有限公司 | A method for testing digital video camera equipment by using combined image |
| CN1670630A (en) * | 2004-03-18 | 2005-09-21 | 佳能株式会社 | Image color correction method and image forming apparatus |
| CN101038713A (en) * | 2006-03-13 | 2007-09-19 | 神基科技股份有限公司 | Pattern generation system, method and storage medium for display testing |
| CN101315518A (en) * | 2007-05-30 | 2008-12-03 | Hoya株式会社 | Photomask testing method, photomask manufacture method, electronic component manufacture method, testing mask and testing mask set |
| CN201364723Y (en) * | 2009-03-12 | 2009-12-16 | 青岛海信电器股份有限公司 | Gamma caching circuit adapting to various LCDs and television adopting same |
| CN201967066U (en) * | 2010-12-20 | 2011-09-07 | 沈阳敏像科技有限公司 | Gray scale test chart for digital mobile terminal video equipment |
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