| Budget Amount *help |
¥11,570,000 (Direct Cost: ¥8,900,000、Indirect Cost: ¥2,670,000)
Fiscal Year 2019: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2017: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2016: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
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| Outline of Final Research Achievements |
In this research, we proposed several methods based on the characteristics of human visual system such as photopic, scotopic and mesopic visions. We developed some methods for estimating spectral reflectance from tristimulus values, where a method of least squares is used, and the continuity of the spectral reflectance is taken into account. We also proposed methods for color image enhancement and halftoning based on Neugebauer model for color reproduction, and conducted performance evaluation of high color rendering LED under the mesopic vision condition.
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