User interactive copy processing for selective color conversion or adjustment without gradation loss, and adjacent non-selected-color areas are not affected
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United States of America Patent
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Nov 5, 2002
Grant Date -
N/A
app pub date -
May 15, 1996
filing date -
May 18, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A more-natural-looking video is reproduced and a video data having a desired color tone is formed by preserving the tone of a video as an original in color conversion at a desired ratio. To this end, a criterion color register stores color information (hue, chroma and density) for determining whether input pixel data is eligible for conversion, a target color register stores color information indicative of a target color, and a preservation degree register stores a preservation degree that determines the degree of preservation in color conversion. A color determination section determines whether the input pixel data is eligible for conversion, and the determination result is output to a color converter section. The color converter section performs color conversion to eligible pixel data according to the information stored in the criterion color register, target color register and preservation degree register, with the result of the color conversion being output.
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