| 摘要 |
To provide a gamut mapping method, the description of a correspondence relationship of which is more directly than that of a conventional method, the gamut mapping method being capable of performing fine control. A method of compressing a color reproduction range includes a step of allocating a vector representing a direction in which a color value on a grid point should shift in a uniform color space, to each grid point on the uniform color space and a step of finding a direction of shift for an input color value on the uniform color space based on the vector and mapping the input color value to a color reproduction range of an output device.
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