Method of and apparatus for processing a video image
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United States of America Patent
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Feb 17, 2009
Grant Date -
Sep 29, 2005
app pub date -
May 24, 2005
filing date -
Nov 13, 1998
priority date (Note) -
Expired
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Abstract
A color enhancement method for use in a video camera imaging system in the context of non-uniform lighting includes an adaptive algorithm for developing a shutter speed control signal, analog gain control signal and color balance signals from pixel luminance over one field of video. The control signals developed during one field are used to control the camera during the next field. The speed control signal and analog signal are determined based on the luminance signal obtained in digital form from the video camera, and analyzed over at least one field of video.
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