| 摘要 |
A color region compressing method is provided which is capable of reproducing more desirable color by flexibly changing a shape of a compression function according to color to widen a color reproduction range. This color region compressing method for compressing a lightness and/or chroma of an input color to within an output color reproduction region includes the steps of determining by function parameters the compression function for the compression of the lightness and/or chroma of the input color to within the output color reproduction region, and changing the function parameters according to a hue and/or lightness of color.
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