Saturation varying color space
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United States of America Patent
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Mar 12, 2013
Grant Date -
N/A
app pub date -
Mar 7, 2008
filing date -
Mar 9, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A first color component of a pixel or scene entity is modified using a color correction curve defined at least partly by a second color component of this pixel or entity. Each pixel or entity has its own separate color correction curve, independent of the color correction curves of other pixels or entities. The saturation value of a pixel or scene entity may be modified based on its luminance value. The luminance value determines a saturation gamma function curve, mapping the original saturation value of a pixel or entity to a new saturation value. The unilluminated color of a pixel in a scene being rendered may also be taken into account. This output color may be stored in the appropriate pixel of an image or combined with colors from other portions of the scene being rendered.
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