Design of Spectral Transmittance Factor for Sunglasses Using CIECAM02

Q4 Engineering
I. Katayama, Kimio Matsumoto, Kenta Noda, Noboru Kawanishi
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引用次数: 0

Abstract

An index for quantitative evaluation of the color discrimination property of sunglass lenses was calculated as the ratio of the color gamut area formed by the eight CIE-1974 test-color samples for the general color rendering index on the CIECAM02 colorfulness plane under the standard illuminant D65 after passing through the sunglass lenses under test to the gamut area formed by the samples on the plane under the illuminant D65. The index was validated by a very high simple correlation coef fi cient between the visual evaluation results and the indices of the color discrimination property. Furthermore, it was shown that blocking the spectral component around 565 nm effectively improves the color discrimination property and that a spectral transmittance factor that blocks wavelength components in a 500-nm area effectively improves color discrimination and enhances colorfulness for the color yellow simultaneously.
基于CIECAM02的太阳镜光谱透射系数设计
定量评价太阳镜镜片辨色性能的指标是:8个CIE-1974测试色样品经过被测太阳镜镜片后,在标准光源D65下CIECAM02显色平面上的一般显色指数所形成的色域面积与样品在光源D65下在该平面上形成的色域面积之比。视觉评价结果与颜色分辨性能指标之间具有很高的简单相关系数,验证了该指标的有效性。此外,研究表明,阻挡565 nm附近的光谱成分可以有效地提高颜色识别性能,而阻挡500 nm范围内波长成分的光谱透射系数可以有效地提高颜色识别能力,同时增强黄色的显色性。
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来源期刊
Journal of the Illuminating Engineering Institute of Japan (Shomei Gakkai Shi)
Journal of the Illuminating Engineering Institute of Japan (Shomei Gakkai Shi) Engineering-Electrical and Electronic Engineering
CiteScore
0.10
自引率
0.00%
发文量
6
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