On telemedicine system using CRT color monitor , an algorithm for correctly reproducing the colors of photographic subjects in static images which are distorted by various systems is descrjbed. In this technique , the systems such as the i11uminant on the observation side , the input characteristics of a camera and transmission factors afe assumed to a black box. The photographic subject and the known Golor chart are observed in the same frame , the color characteristics of the black box is

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... mated in L * が b * color space , and the observed static image is corrected using the characteristics . As a result, it was confirmcd that proposed method could correctly reproduce the colors on various muminants .