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R. Evans (1974)
The Perception of Color
Ralph Evans, B. Swenholt (1967)
Chromatic strength of colors: dominant wavelength and purity.Journal of the Optical Society of America, 57 11
Y. Nayatani, Hideki Sakai (2007)
A tentative proposal for integrated photometric system, and its application to luminous colorsColor Research and Application, 32
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Clarification of differences between variable achromatic color and variable chromatic color methods in the Helmholtz–Kohlrausch effectColor Research and Application, 31
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An important finding in the present study is that “zero‐grayness luminance” proposed by Evans gives approximately the same perceived brightness for spectrum colors irrespective of hues. The luminance values with the same perceived brightness for spectrum colors are directly derived on the basis of VCC method proposed by the senior author. It corresponds to the spectral luminosity function Vb2(λ;VCC). In the study process, we had some doubts on the luminosity function CIE Vb2(λ) on the heterochromatic brightness match. In other words, CIE Vb2(λ) may not be used for scientific study. The problem is discussed in Appendix briefly. © 2007 Wiley Periodicals, Inc. Col Res Appl, 33, 19–26, 2008
Color Research & Application – Wiley
Published: Feb 1, 2008
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