Prediction of the Helmholtz-Kohlrausch Effect for Natural Images Using a Correction Function
The human visual system exhibits a characteristic known as the Helmholtz-Kohlrausch (H-K) effect: even if the hue and the lightness retain the same values, the actual lightness (perceived lightness) changes with changes in the color saturation. Quantification of this effect is expected to be useful...
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| Veröffentlicht in: | IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Communications and Computer Sciences, 2019/09/01, Vol.E102.A(9), pp.1217-1224 |
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| container_title | IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences |
| container_volume | E102.A |
| creator | HAYAMI, Yuki TAKASU, Daiki AOYANAGI, Hisakazu TAKAMATSU, Hiroaki SHIMODAIRA, Yoshifumi OHASHI, Gosuke |
| description | The human visual system exhibits a characteristic known as the Helmholtz-Kohlrausch (H-K) effect: even if the hue and the lightness retain the same values, the actual lightness (perceived lightness) changes with changes in the color saturation. Quantification of this effect is expected to be useful for the future development and evaluation of high-quality displays. We have been studying the H-K effect in natural images projected by LED projectors, which play important roles in practical uses. To verify the effectiveness of the determinations of the H-K effect for natural images, we have performed a subjective-evaluation experiment by method of adjustment for natural images and compared the experimental values with values calculated from extended form of Nayatani's equation to apply to natural images. In general, we found a high correlation between the two, although there was a low correlation for some images. Therefore, we obtained a correction function derived from the subjective evaluation experiment value of 108 color (hue: 12 × saturation: 3 × lightness: 3) patterns and have applied it to estimate the equation H-K effect. |
| doi_str_mv | 10.1587/transfun.E102.A.1217 |
| format | Article |
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Quantification of this effect is expected to be useful for the future development and evaluation of high-quality displays. We have been studying the H-K effect in natural images projected by LED projectors, which play important roles in practical uses. To verify the effectiveness of the determinations of the H-K effect for natural images, we have performed a subjective-evaluation experiment by method of adjustment for natural images and compared the experimental values with values calculated from extended form of Nayatani's equation to apply to natural images. In general, we found a high correlation between the two, although there was a low correlation for some images. 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Therefore, we obtained a correction function derived from the subjective evaluation experiment value of 108 color (hue: 12 × saturation: 3 × lightness: 3) patterns and have applied it to estimate the equation H-K effect.</description><subject>Color</subject><subject>Helmholtz-Kohlrausch effect</subject><subject>Light emitting diodes</subject><subject>perceived lightness</subject><subject>Projectors</subject><subject>Saturation (color)</subject><subject>subjective evaluation experiment</subject><subject>wide color gamut</subject><issn>0916-8508</issn><issn>1745-1337</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNplkD1PwzAQhi0EEqXwDxgsMaf4nA87Y1UVWrUChrIhWY5jN6nSuNjOAL-elECFxHJ3w_vc6R6EboFMIOXsPjjZetO1kzkQOplOgAI7QyNgSRpBHLNzNCI5ZBFPCb9EV97vCAFOIRmhtxeny1qF2rbYGhwqjRe62Ve2CZ_RylaNk51XFZ4bo1XAxjr8JEPnZIOXe7nVHr_6ut1iiWfWOT0seuja7-EaXRjZeH3z08do8zDfzBbR-vlxOZuuI5VCEiLOOTHATElykkKZ5UxLKIq44JQmLGM6NilV0jDOk5SrjJYlEG2KODaU50U8RnfD2oOz7532Qexs59r-oqA0T0hfWNankiGlnPXeaSMOrt5L9yGAiKNG8atRHDWKqThq7LHVgO186P89QdKFWjX6H5T_pU8pVUkndBt_AU67g98</recordid><startdate>20190901</startdate><enddate>20190901</enddate><creator>HAYAMI, Yuki</creator><creator>TAKASU, Daiki</creator><creator>AOYANAGI, Hisakazu</creator><creator>TAKAMATSU, Hiroaki</creator><creator>SHIMODAIRA, Yoshifumi</creator><creator>OHASHI, Gosuke</creator><general>The Institute of Electronics, Information and Communication Engineers</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7SP</scope><scope>8FD</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20190901</creationdate><title>Prediction of the Helmholtz-Kohlrausch Effect for Natural Images Using a Correction Function</title><author>HAYAMI, Yuki ; TAKASU, Daiki ; AOYANAGI, Hisakazu ; TAKAMATSU, Hiroaki ; SHIMODAIRA, Yoshifumi ; OHASHI, Gosuke</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c514t-8880f17fd09051d697ea1bb3b8224767e3f52caf788458c62dd10efb33f289b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Color</topic><topic>Helmholtz-Kohlrausch effect</topic><topic>Light emitting diodes</topic><topic>perceived lightness</topic><topic>Projectors</topic><topic>Saturation (color)</topic><topic>subjective evaluation experiment</topic><topic>wide color gamut</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HAYAMI, Yuki</creatorcontrib><creatorcontrib>TAKASU, Daiki</creatorcontrib><creatorcontrib>AOYANAGI, Hisakazu</creatorcontrib><creatorcontrib>TAKAMATSU, Hiroaki</creatorcontrib><creatorcontrib>SHIMODAIRA, Yoshifumi</creatorcontrib><creatorcontrib>OHASHI, Gosuke</creatorcontrib><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HAYAMI, Yuki</au><au>TAKASU, Daiki</au><au>AOYANAGI, Hisakazu</au><au>TAKAMATSU, Hiroaki</au><au>SHIMODAIRA, Yoshifumi</au><au>OHASHI, Gosuke</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Prediction of the Helmholtz-Kohlrausch Effect for Natural Images Using a Correction Function</atitle><jtitle>IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences</jtitle><addtitle>IEICE Trans. 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| subjects | Color Helmholtz-Kohlrausch effect Light emitting diodes perceived lightness Projectors Saturation (color) subjective evaluation experiment wide color gamut |
| title | Prediction of the Helmholtz-Kohlrausch Effect for Natural Images Using a Correction Function |
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