| Budget Amount *help |
¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Outline of Final Research Achievements |
Congenital color vision deficiencies (e.g., protan and deutan, commonly known as red-green color blindness) are caused by particular genetic factors and affect a significant percentage of the population. In Japan, for example, approximately 5% of males and 0.5% of females suffer from either protan or deutan color vision deficiency. Such people have difficulty distinguishing particular sets of colors. For example, protan and deutan people confuse red with green, deep-red with black, pink with sky blue, and blue-green with gray. These particular sets of colors are called confusion colors.
To evaluate discriminability of colors from the viewpoint of people with color vision deficiency, a uniform color space and a color-difference formula are required, but they haven't been established yet.
This study proposes a uniform color space and a color-difference formula with consideration to color vision deficiencies, and also verifies effectiveness of proposed color space and formula.
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