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The following questions were raised to chroma and hue scales of the nonlinear color‐appearance model: 1) significant nonuniformities of the chroma scales for different hues, and 2) deviations of hue scale between the model and the Munsell and the NCS schemes. It was suggested that the problems...
It has been noticed that the lightness dependency of equal chroma loci of the nonlinear color‐appearance model already reported deviates markedly from that of equal Chroma loci of the Munsell scheme. to solve this problem, the new chroma CN of the model is proposed by applying the correction of...
The color shift of a sample due to a change in illuminant can be expressed either in terms of the CIE General Color Rendering Index, Ra, based on the average for eight color samples, or in terms of the CIE Metamerism Index MIvis, the average for five pairs (or couples) of samples. It is shown...
A general color difference formula has been derived based on the parameters of color discrimination ellipsoids in the CIE 1976 L*a*b* color space. By using different orders of approximation, the general formula resembles the basic forms of the current formulae. The method described in this...
In the research described in this article we have tested the idea that the recovery of depth and orientation of twodimensional patterns is aided by constraints in the physical world. We presented a variant on a bistable Necker cube. the surfaces of the cube were constructed from transparent...
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