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Chapter 5:
Predicting the Usefulness and Naturalness of Color Reproductions
We present algorithms for predicting the usefulness and naturalness of color reproductions of natural scenes. The algorithms are based on a com­putational model of the stages that lead to an observer's impression of the usefulness and naturalness of an image. These stages are (1) the percep­tion, or internal quantification, of color; (2) the construction of a memory standard for an object's color based on its color as observed in the past; and (3) matching of observed object colors with memory standards. In the first of the above stages, the internal quantification of color, the concept of (partially) flexible metrics (Chapter 4) plays a central role.
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