Image processing system
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United States of America Patent
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Nov 9, 2004
Grant Date -
N/A
app pub date -
Jul 23, 1998
filing date -
Aug 14, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
An image processing system is arranged to convert data representing a picture element with an original color defined in terms of original brightness and hue values into data representing the picture element with a new color, different than the original color. In the system a new hue value is calculated from the original hue value by way of a transforming circuit 5. The original and new hue values are both processed in look up tables 4, 6 to determine respective inherent brightness values associated therewith. The original brightness value is processed with the inherent brightness values by way of a subtracter 7 and an adder 8 to produce a new brightness value that together with the new hue value defines the new color of the pixel.
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