Image processing apparatus and method
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United States of America Patent
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Oct 1, 2002
Grant Date -
N/A
app pub date -
Oct 3, 1997
filing date -
Oct 4, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
The saturation, the lightness, and the hue of each color used in input image data are calculated by a saturation calculation unit, a lightness calculation unit, and a hue calculation unit, respectively. An achromatic color/chromatic color classification unit classifies the color as an achromatic color or a chromatic color on the basis of the calculated saturation. An achromatic color/lightness order assignment unit assigns, on the basis of the lightness of the color classified as an achromatic color, an achromatic color which can be displayed on an LCD to the color classified as an achromatic color. A chromatic color/hue order assignment unit assigns, on the basis of the hue of the color classified as a chromatic color, a chromatic color which can be displayed on the LCD to the color classified as a chromatic color.
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