Multi-resolution predictive foveation for bandwidth reduction of moving images
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United States of America Patent
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Mar 3, 2009
Grant Date -
Oct 16, 2003
app pub date -
Oct 23, 2002
filing date -
Apr 15, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A scene of an image sequence is compressed using a number of foveation zones, each foveation zone being weighted based on a probability of a viewer looking at a corresponding portion of the first scene. Each foveation zone in the scene has a corresponding resolution to ensure that at least one object therein is viewer-recognizable. Another scene of the image sequence is compressed using a different number of foveation zones, each foveation zone being weighted based on a probability of a viewer looking at a corresponding portion of the second scene. Each foveation zone in the other scene has a corresponding resolution to ensure that at least one object therein is viewer-recognizable.
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