An abridged color-appearance model named CIECAT94LAB is proposed in the present study. It consists of the CIE 1994 chromatic-adaptation transform with some improvements and the CIELAB formula. CIECAT94LAB is easy in computation and can predict almost all the color-appearance phenomena. It was tested using the experiments conducted by CSAJ, Breneman, and McCann et al. In addition, a new measure is proposed for comparing the predictability among various color-appearance models. The measure is independent of the scale in each of the color-appearance models.
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Nayatani et al. (1999) studied this question.
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