Principal component and sampling analysis of color spectra

被引：13
作者：
Lehtonen, Juha [1 ]
Parkkinen, Jussi [1 ]
Jaaskelainen, Timo [3 ]
Kamshilin, Alexei [2 ]
机构：
[1] Univ Joensuu, Dept Comp Sci & Stat, FIN-80101 Joensuu, Finland
[2] Univ Kuopio, Dept Phys, FIN-70211 Kuopio, Finland
[3] Univ Joensuu, Dept Math & Phys, FIN-80101 Joensuu, Finland
来源：
OPTICAL REVIEW | 2009年 / 16卷 / 02期
关键词：
color spectrum; light source; principal component analysis; sampling interval; REFLECTANCE FUNCTIONS;
D O I：
10.1007/s10043-009-0015-6
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We studied the effect and relation between the optimal sampling interval and the optimal number of principal component analysis eigenvectors for color spectra. The effect of different type of light sources and illuminants are included in the study. Several reflectance spectra sets under different real light sources and standard illuminants were used as a test set. The needed sampling interval and number eigenvectors with different light sources and illuminants are found. The used bandwidth in measurements causes effect to the resulted optimal sampling interval, which is also shown.
引用
收藏
页码：81 / 90
页数：10
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