在CIE 1976 L*a*b*均匀色空间内在D65光源照射下对碧玺红色的L*、a*、b*值进行定量测量,进而计算出彩度值C*、色调角ho。在Color i Control中进行模拟,得出在A光源、CWF光源照射下的碧玺红色颜色参数,由此确定最佳照明光源。对比D65、A光源和CWF光谱功率分布理论值发现,D65光源的光谱功率分布连续、相对平滑且色温高,结合统计分析证明光源的变换对碧玺红色明度的影响最小,A光源最有利于提升碧玺红色的C*与L*。得出结论:A标准照明光源为碧玺红色的最佳照明光源,D65标准照明光源可作为碧玺红色的最佳评价光源。
【英文摘要】
Based on CIE 1976 L*a*b* Uniform Color Space, the measurements of L*, a*, and b* of tourmaline color red were conducted under illuminant D65. Furthermore, C* and ho of tourmaline color red were calculated. To obtain the color parameters of tourmaline color red, the experiment simulate on Color i Control. Therefore, the best lighting illuminant can be determined. Compared with the spectral power distribution of illuminant D65, illuminant A and illuminant CWF, following results were obtained. The spectral pow...
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