Color selecting method
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United States of America Patent
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-
Jun 24, 1997
Grant Date -
N/A
app pub date -
Dec 11, 1991
filing date -
Dec 19, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
A method for color selection is proposed in which interchangeability between color palettes of a predetermined number of colors for color expressions of a color image and extended color palettes with an increased number of colors is maintained. A color space is divided into n regions D1 . . . Dn corresponding to the number of colors n of pre-extension color palettes for corresponding to n palette number groups of the extended color palettes. Each of these regions D1 . . . Dn is subdivided into m sub-regions D1(1) to D1(m), . . . , Dn(1) to Dn(m) corresponding to an extended color number mn for association with mn palette numbers of the extended color palettes.
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Cited Art Landscape
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