Method for adapting quantization in video coding using face detection and visual eccentricity weighting
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United States of America Patent
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Jan 9, 2001
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N/A
app pub date -
Mar 31, 1998
filing date -
Jan 9, 1998
priority date (Note) -
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Abstract
A system encodes video by detecting the location of a facial region of a frame of the video. Sensitivity information is calculated for each of a plurality of locations within the video based upon the location of the facial region. The frame is encoded in manner that provides a substantially uniform apparent quality of the plurality of locations to the viewer when the viewer is observing the facial region of the video.
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