CN103983359B - A kind of method of observer's color matching functions of classifying - Google Patents
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Abstract
The present invention relates to a kind of method of observer's color matching functions of classifying, comprise and build color-match experimental provision, comprise aim colour, mate look and the standard sight case of lighting source is provided, select several color, form aim colour and coupling look respectively by different primary color spectra, lighting source is daylight source; Structure observation person, by regulating the quantity of display RGB tri-passage primary colors, carries out color-match experiment; With the colour stimulus spectroscopic data of the coupling look on PR650 spectral radiant emittance measurement amount aim colour and display; Select CIE1931, CIE1964, CIE2006 and Sarkar1-8, as the color matching function of test, calculate the aberration size of observer's color-match respectively, the observer of experiment tissue is bored Cellular spectroscopic response sort out, observer is divided into the color matching functions of respective classes.The present invention gives a kind of method evaluated and divide to the response of different observers cone Cellular spectroscopic.
Description
Technical field
The present invention relates to a kind of method of observer's color matching functions of classifying, by building color-match experimental provision, different observers air exercise red ink paste used for seals and display look is organized to carry out color-match experiment, metamerism in survey person color matching procedure, determines the classification of different observers color matching functions.
Background technology
CIE1931 and CIE1964 of the color matching functions Jin You CIE International Commission on Illumination recommendation of existing calculating chromatic value, represents the different observer observing visual field (2 ° and 10 °) and on average bores cellular response.But due to the individual difference of observer, often there will be some observation on person think coupling color, some observer but not thinks mates, this phenomenon for arrowband primary colors superposition produce colour stimulus particularly evident.Along with saturated trichromatic growing; as the popularization and application of LED energy-conserving light source and the professional display device of arrowband primary colors; when evaluating small aberration; based on the colour stimulus that different primary colors superposes; due to the difference of observer's color matching functions, different observers often can produce different color perceptions.Therefore, only represent observer's average color visual characteristic with existing CIE1931 and CIE1964 two cover, consider that the different color matching function observing visual field is not enough to characterize the cone cellular response of different observers.
Based on this, CIE International Commission on Illumination released CIE2006 color computation model in 2006, this model can produce 20-80 year all ages and classes observer 61 cover color matching functionss.Sarkar proposed 47 of nineteen fifty-nine Stiles-Burch observer's Data classifications in 2011, can produce the color matching functions that 8 represent different observers classification, be designated as Sarkar1-8 color matching functions.In recent years, CIE calls countries in the world researcher to carry out dissimilar color-match experiment, checks reliability and the validity of above-mentioned color matching functions.
Summary of the invention
Owing to there is individual difference between different observers, how cone cell, to the response meeting deviation to some extent of different spectrum, selects suitable color matching functions rationally to characterize the cone cellular response of observer, is the problem that current CIE International Commission on Illumination needs to solve.
The object of the invention is to solve problems of the prior art, a kind of method of observer's color matching functions of classifying is proposed, avoid actual in carrying out color card coupling and Colorimetry, due to the individual difference between observer, cause different observers to produce larger color-aware difference to colour stimulus, be difficult to the defect of specification evaluation standard.
The present invention organizes different observers air exercise red ink paste used for seals and display look to carry out color-match experiment by building color-match experimental provision, and the otherness of survey person match, determines the classification of different observers color matching functions.
The method is applicable to determine that observer mates the otherness of different primary color spectra color, divides the classification of the color matching functions of observer.
For achieving the above object, the present invention takes following technical scheme:
To classify the method for observer's color matching functions, comprise the steps:
(1) color-match experimental provision is built, comprise aim colour, mate look and the standard sight case of lighting source is provided, select a kind of color, aim colour and coupling look is formed respectively by different primary color spectra, to realize the right metamerism of sample of colour, the lighting source of standard sight case is daylight source;
(2) structure observation person is by regulating the quantity of display RGB tri-passage primary colors, carries out color-match experiment;
(3) after person to be seen completes color-match experiment, with the colour stimulus spectroscopic data S of PR650 spectral radiant emittance measurement amount aim colour under inspection box light source irradiation
0(λ) the colour stimulus spectroscopic data S of coupling look under light source irradiation on ρ (λ) and display
1(λ);
(4) CIE1931 is selected, CIE1964, CIE2006 and Sarkar1-8, totally 11 different classes of color matching functionss are as the color matching function of test, the colour stimulus spectroscopic data that the aim colour collected in step (3) and observer mate look is substituted into different color matching functionss, obtain the colorimetric parameter XYZ of observer's this color (coupling look) under different colours adaptation function calculates, and then calculate the average CIELAB aberration of coupling look and aim colour;
(5) several color is selected again, repeat above-mentioned steps (1)-(4) respectively, obtain the colorimetric parameter XYZ of the several color (coupling look) of observer under different colours adaptation function calculates, and the average CIELAB aberration of coupling look and aim colour;
(6) average color difference that in comparison step (5), several color cards of 11 color matching functions calculating are right, is divided into the color matching functions of respective classes by observer.
In step (1), described aim colour is the reflected colour (printing look) of inkjet printing, and described coupling look is the self-luminous colour (display look) of display display.
Two kinds of different illumination intensity selected by described lighting source, a kind of is the intensity of illumination (300-500lx) meeting normal operating illumination, another kind is the intensity of illumination (900-1100lx) of carrying out colour difference evaluation meeting CIE recommendation, obtains two groups of experimental datas under different illumination intensity.
Described display is the trichromatic Professional display monitor in arrowband, compare common self-emissive light source and regular display, the three primary colors bandwidth of this professional display is narrower, and color matching scope is wider, colour stability is in start after 90 minutes, and average CIELAB Difference Control is within 1.5.Conventional professional display has EIZOCG series, as EIZOCG219, EIZOCG246, EIZOCG279 etc.; NECPA series, as NECPA241W, NECPA272W, NECPA303W etc., this class display is mainly used in the field had higher requirements to image and screen look.The curve of spectrum energy distribution of red (R), green (G) of display, blue (B) three passage primary colors can by PR650 spectral radiant emittance measurement amount.
In step (1) and (5), the aim colour that in the CIELAB color space that described color can select CIE to recommend, 9 colors are tested as color-match, 9 colors of selection are uniformly distributed in cielab color space.The look center CIELAB colourity parameter of 9 colors comes from 9 nonsaturated colors that CIE recommends 17 colors, and the look to be matched of selection is 8 tonal color and neutrality ash-red, orange, yellow, yellowish green, green, bluish-green, blue, the purple and grey of 17 color center that CIE recommends.
In step (2), adopt color matching software, by the RGB passage draw runner in adjustable colors matched interface, change the population size of RGB tri-passages (variation range is all from 0-255) color-match, realize and the color-match printing look.
In step (6), compare the average color difference that 9 color cards of 11 color matching functionss calculating are right, according to the probability that minimum value of chromatism occurs, observer is divided into the color matching functions of respective classes.
Organize the observer of all ages and classes and specialty background to carry out above-mentioned experiment, different observers is divided into different classes of color matching functions.
The look to be matched selected is 8 tonal color and the neutrality ash of 17 color center that CIE recommends, and considers the colour gamut of color monitor colour generation, does not adopt CIE to recommend the heavy shade of 8 tones.Test the spectral reflectance rate curve of the look to be matched selected as shown in Fig. 5-1 to Fig. 5-3.
The present invention classifies the method for observer's color matching functions, by building color-match experimental provision, structure observation person carries out the Matching Experiment of different colour generation mode color card, by the printing look under different light in the values match standard sight case of adjustment display RGB passage, collect the spectroscopic data of different observers color-match, the CIE1931 (2 ° of visual fields) of the representative average visual characteristic selecting CIE to recommend, CIE1964 (10 ° of visual fields) observer's function, and CIE call the CIE2006 observer function computation model of all ages and classes (20-80 year) of various countries researcher inspection and Sarkar proposition consider that observer is divided into different classes of Sarkar1-8 observer function by observer's individual difference.Calculate the aberration size of above-mentioned different observers color-match respectively, the observer of experiment tissue is bored Cellular spectroscopic response and sorts out, advise a kind of method determining observer's function.
The present invention, by building color-match experimental provision, detects the cone cellular response difference of different observers, thus realizes passing judgment on different observers color matching functions class method for distinguishing.Selected color matching device, aim colour and coupling look need to be made up of different spectrum, and namely sample of colour to be matched is to being metamerism Color pair.
The present invention gives a kind of method evaluated and divide to the response of different observers cone Cellular spectroscopic, can by building color-match experimental provision, the structure observation person color card that mates different colour generation mode is to (metamerism color card to), and the observer calculated under different color matching function matches colors aberration size.
Below by the drawings and specific embodiments, the present invention will be further described, but and do not mean that limiting the scope of the invention.
Accompanying drawing explanation
Fig. 1 is color-match experimental provision.
Fig. 2 is lighting source spectral distribution.
Fig. 3 is the three primary colors of color-match experimental provision display.
Fig. 4 is the colour stimulus spectral distribution of 9 colors under 500lx illumination of experiment test.
Fig. 5-1 to Fig. 5-3 is spectral distribution of 11 color matching functionss, and wherein, Fig. 5-1 is the spectral distribution of CIE1931 and CIE1964 observer function; Fig. 5-2-1,5-2-2,5-2-3 are 8 cover observer's function and the CIE1964 of Sarkar1-8
the spectral distribution of different passage observer function; Fig. 5-3 substitutes into 20,32 in CIE2006 computation model, observer's function of 80 3 age calculating and the spectral distribution of CIE1964 observer function.
Fig. 6-1 and Fig. 6-2 is different observers function test results respectively under illumination is 500lx and 922lx illumination.
Embodiment
The sample pair that the self-luminous colour that the present invention presents with the reflected colour printed and display is color-match, with 8 of CIELAB color space tonal color and neutrality ash, totally 9 looks to be matched are set forth for testing color card.It should be noted that, the present invention is not limited to the color-match printed between look and display look, and it is applicable to the color-match between the color card pair of multiple colour generation mode.Color to be matched is not limited to 9 color center that CIE recommends.
The present invention classifies the method for observer's color matching functions, comprises the steps:
(1) build color-match experimental provision as shown in Figure 1-comprise aim colour, mate look and the standard sight case of lighting source is provided, select a kind of color, aim colour and coupling look is formed respectively by different primary color spectra, form a color card pair, aim colour and coupling look are made up of different primary color spectra, can realize the phenomenon of the right metamerism of sample of colour.In Fig. 1, select reflected colour based on inkjet printing as aim colour respectively, the self-luminous colour of the trichromatic Professional display monitor display in arrowband is as coupling look.The sample size that this experiment is selected is 12cm × 12cm, and viewing distance is 80cm.
In the case of standard sight shown in Fig. 1, the colour temperature of lighting source is 6351K (belonging to common daylight source), and have selected the daylight source of two kinds of different illumination intensity in experiment, illumination is respectively 500lx and 922lx, and the curve of spectrum distribution of light source as shown in Figure 2.
The professional display of narrow bandwidth is selected in step (1), red (R), green (G) of display, the curve of spectrum energy distribution of blue (B) three passage primary colors can by PR650 spectral radiant emittance measurement amounts, and red (R), green (G) of display, the curve of spectrum energy distribution of blue (B) three passage primary colors are as shown in Figure 3.
Because the color appearance printing look can be subject to the intensity of illumination impact of lighting source, consider the colour gamut of display, for avoiding the phenomenon occurring that some colors cannot be mated.Aim colour---grey, red, orange, yellow, yellowish green, green, bluish-green, the blue and purple that 9 colors in the CIELAB color space selecting CIE to recommend are tested as color-match, Figure 4 shows that the curve of spectrum of testing 9 color colour stimulus under 500lx illumination of selecting.
(2) color matching software is worked out, look to be matched is presented in 12cm × 12cm interface, by the RGB passage draw runner of left and right adjusting color matching software, control the quantity (variation range is all from 0-255) of display RGB tri-passage color-match, realize and the color-match printing look.35 observers of all ages and classes and specialty background are organized to carry out color-match experiment;
(3), after person to be seen completes color-match experiment, to score the colour stimulus spectroscopic data S of other measurement target look under inspection box light source irradiation by PR650 spectral radiant emittance
0(λ) the colour stimulus spectroscopic data S of coupling look under different light on ρ (λ) and display
1(λ);
(4) CIE1931 is selected, CIE1964, CIE2006 and Sarkar1-8, totally 11 different classes of color matching functionss are as the color matching function of test, and Fig. 5-1 to Fig. 5-3 is depicted as the curve of spectrum distribution of 11 color matching functions, wherein, Fig. 5-1 is the spectral distribution of CIE1931 and CIE1964 observer function, the curve of black is CIE1964 (subscript 10 represents the observation visual field, 10 degree of angles of 1964), and light grey curve is CIE1931; Fig. 5-2-1,5-2-2,5-2-3 be Sarkar1-8 8 cover observer functions respectively with CIE1964
the spectral distribution of different passage observer function; Fig. 5-3 substitutes into 20,32 in CIE2006 computation model, observer's function of 80 3 age calculating and the spectral distribution of CIE1964 observer function.
Calculate the colorimetric parameter of color card with 11 observer's functions, calculate average CIELAB value of chromatism.The colour stimulus spectroscopic data of the aim colour collected in step (3) and different observers coupling look substitutes into different color matching functionss, calculate the colorimetric parameter XYZ that different observers obtains 9 colors under different colours adaptation function calculates, and then calculate display look and the average CIELAB aberration printing look.Wherein under 500lx illumination, the average color difference of 11 color matching functions calculating is 4.83, and maximum aberration is 8.63, and minimum aberration is 2.4.Under 922lx illumination, the average color difference of 11 color matching functions calculating is 4.03, and maximum aberration is 9.35, and minimum aberration is 2.2.
(5) average color difference that 9 color cards that in comparison step (4), 11 color matching functionss calculate are right, person is mated the probability that 9 colors calculate the minimum appearance of aberration the different observers of experiment tissue is divided into different classes of color matching functions according to the observation.
The test result of different observers function is as shown in Fig. 6-1 and Fig. 6-2.That behave oneself best under the intensity of illumination of 500lx is CIE2006 (34.2%), is secondly Sarkar4 (30.1%), Sarkar1 (19.2%), Sarkar6 (9.59%).That behave oneself best under the intensity of illumination of 922lx is CIE2006 (29.5%), is secondly Sarkar4 (20.5%), Sarkar6 (16.7%), Sarkar1 (14.1%).Under two kinds of illumination conditions, with human eye vision matching difference larger be CIE1931 color matching function, the sample size that this and this experiment are selected is 12cm × 12cm, and viewing distance 80cm is relevant.Result of calculation under two kinds of intensities of illumination is more consistent.
Organize 35 observers to carry out color-match experiment in the present invention, wherein 10 observers carry out repeated experiment, and not etc., the age distribution of observer was not from 20 years old to 59 years old for multiplicity 2-10 time.Such one side can evaluate the repeatability of observer, also can collect larger raw experimental data amount on the other hand.Under two kinds of different light situation, under 500lx illumination, collect 73 groups of color-match data, under 922lx illumination, collect 78 groups of color-match data altogether.
Be example with the color matching data of observer 1,2,3,9 kinds print looks and are placed in standard sight case respectively, and light source is solar simulated light source, and illumination is 500lx.Observer 1,2, and 3 population size regulating RGB passage over the display respectively, mates 9 kinds and print looks, gather the S of observer 1,2,3 coupling 9 kinds of colors with PR650 spectral radiant emittance meter
1(λ), substitute into 11 kinds of color matching functionss, calculate observer 1,2 respectively, the coupling look of 3 and 9 kinds print the CIELAB aberration of look, as shown in table 1:
Table 1 different colours adaptation function calculates the average CIELAB aberration of observer 1,2,3 coupling 9 kinds of colors
From table 1, the observer 1,2,3 calculated by 11 different colours adaptation functions mates the average CIELAB aberration of 9 colors, and observer 1, and 3 is all that the aberration that calculated by Sarkar4 color matching function is minimum, is respectively 2.41,3.23.Observer 2 is that the aberration calculated by Sarkar1 color matching function is minimum, is 2.65.Therefore, observer 1,3 color matching functions can be divided into Sarkar4 color matching function, observer 2 color matching functions is divided into Sarkar1 color matching function.
The present invention is by building color-match experimental provision, detect the cone cellular response difference of different observers, give a kind of method evaluated and divide to the response of different observers cone Cellular spectroscopic, thus realize passing judgment on different observers color matching functions class method for distinguishing.
Claims (7)
1. to classify the method for observer's color matching functions, comprise the steps:
(1) build color-match experimental provision, comprise aim colour, mate look and provide the standard sight case of lighting source, select a kind of color, form aim colour and coupling look respectively by different primary color spectra, lighting source is daylight source;
(2) structure observation person is by regulating the quantity of display RGB tri-passage primary colors, carries out color-match experiment;
(3) after person to be seen completes color-match experiment, with the colour stimulus spectroscopic data S of PR650 spectral radiant emittance measurement amount aim colour under light source irradiation
0(λ) the colour stimulus spectroscopic data S of coupling look under light source irradiation on ρ (λ) and display
1(λ);
(4) CIE1931 is selected, CIE1964, CIE2006 and Sarkar1-8, totally 11 different classes of color matching functionss are as the color matching function of test, the colour stimulus spectroscopic data that the aim colour collected in step (3) and observer mate look is substituted into different color matching functionss, obtain the colorimetric parameter XYZ of this color of observer under different colours adaptation function calculates, and then calculate the average CIELAB aberration of coupling look and aim colour;
(5) several color is selected again, repeat above-mentioned steps (1)-(4) respectively, obtain the colorimetric parameter XYZ of the several color of observer under different colours adaptation function calculates, and the average CIELAB aberration of coupling look and aim colour;
(6) average color difference that in comparison step (5), several color cards of 11 color matching functions calculating are right, according to the probability that minimum value of chromatism occurs, is divided into the color matching functions of respective classes by observer.
2. the method for classification observer color matching functions according to claim 1, it is characterized in that: described aim colour is the reflected colour of inkjet printing, described coupling look is the self-luminous colour of display display.
3. the method for classification observer color matching functions according to claim 1, it is characterized in that: two kinds of intensities of illumination selected by described lighting source, a kind of is the intensity of illumination meeting normal operating illumination, another kind is the intensity of illumination of carrying out colour difference evaluation meeting CIE recommendation, obtains two groups of experimental datas under different illumination intensity.
4. the method for classification observer color matching functions according to claim 1, is characterized in that: described display is the trichromatic Professional display monitor in arrowband.
5. the method for classification observer color matching functions according to claim 1, is characterized in that: the aim colour that 9 colors in the CIELAB color space that described color selecting CIE recommends are tested as color-match.
6. the method for classification observer color matching functions according to claim 5, is characterized in that: 9 colors of selection are red, orange, yellow, yellowish green, green, bluish-green, blue, purple and grey.
7. the method for classification observer color matching functions according to claim 1, it is characterized in that: adopt color matching software, by the RGB passage draw runner in adjustable colors matched interface, change the population size of RGB tri-passage color-match, realize and the color-match printing look.
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| CN105606218B (en) * | 2016-02-03 | 2017-12-19 | 深圳大学 | The spectroscopy diagnostic method and system of color rendering properties of light source performance |
| CN106249406B (en) * | 2016-08-30 | 2019-05-14 | 陈晓冬 | Improve Color perception and corrects the artificial intelligence lens and design method of colour blindness anomalous trichromatism vision |
| CN109239918A (en) * | 2016-08-30 | 2019-01-18 | 陈晓冬 | A kind of Optical devices changing human color vision's perception |
| JP6926487B2 (en) * | 2017-01-23 | 2021-08-25 | 凸版印刷株式会社 | Display device discrimination system and display device discrimination method |
| CN106821299B (en) * | 2017-03-13 | 2018-01-26 | 北京印刷学院 | A kind of method tested colour vision normal viewer and bore cellular response |
| CN108537856B (en) * | 2018-01-21 | 2022-07-19 | 北京印刷学院 | Method for making color vision classification detection image |
| CN108844632B (en) * | 2018-07-02 | 2020-09-04 | 北京印刷学院 | Method for evaluating metamerism difference of observers among different display devices |
| CN108844633B (en) * | 2018-07-02 | 2020-09-29 | 北京印刷学院 | Experimental method for detecting observer metamerism difference between display devices |
| CN109508724B (en) * | 2019-01-16 | 2023-10-20 | 北京印刷学院 | Method for classifying observer color matching function by using cluster analysis |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5033857A (en) * | 1988-07-12 | 1991-07-23 | Niigata Prefecture | Method of transforming light-source color data and non-luminous object color data |
| US5956015A (en) * | 1995-12-18 | 1999-09-21 | Ricoh Company, Ltd. | Method and system for correcting color display based upon ambient light |
| CN103344338A (en) * | 2013-07-04 | 2013-10-09 | 北京印刷学院 | Color difference evaluation and calculation method of different-color-difference-grade color samples |
-
2014
- 2014-06-03 CN CN201410242667.2A patent/CN103983359B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5033857A (en) * | 1988-07-12 | 1991-07-23 | Niigata Prefecture | Method of transforming light-source color data and non-luminous object color data |
| US5956015A (en) * | 1995-12-18 | 1999-09-21 | Ricoh Company, Ltd. | Method and system for correcting color display based upon ambient light |
| CN103344338A (en) * | 2013-07-04 | 2013-10-09 | 北京印刷学院 | Color difference evaluation and calculation method of different-color-difference-grade color samples |
Non-Patent Citations (2)
| Title |
|---|
| 《颜色视觉匹配中显示器颜色色差阈值的评价》;黄敏、廖宁放、刘浩学、徐艳芳;《光学学报》;20080331;第28卷(第3期);全文 * |
| 年龄与视觉光谱响应的相关性及其对颜色辨别的影响;黄敏、刘浩学、廖宁放;《光谱学和光谱分析》;20130731;第33卷(第7期);第1886-1891页 * |
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