Resource-constrained sampling of multiple compressed videos
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United States of America Patent
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Feb 10, 2009
Grant Date -
Feb 17, 2005
app pub date -
Sep 11, 2003
filing date -
Aug 13, 2003
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Expired
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Abstract
A method acquires compressed videos. Intra-, or inter-frames of each compressed video are acquired at a fixed sampling rate. Joint analysis is applied concurrently and in parallel to the compressed videos to determine a variable and non-uniform temporal sampling rate for each compressed video so that a combined distortion is minimized and a combined frame rate constraint is satisfied. Each compressed video is then sampled at the associated variable and non-uniform temporal sampling rate to produce output compressed videos having variable temporal resolutions.
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