Method and system for viewer quality estimation of packet video streams
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United States of America Patent
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Aug 20, 2013
Grant Date -
Dec 6, 2012
app pub date -
Dec 8, 2011
filing date -
Jul 16, 2007
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Abstract
A method and system for the estimation of the effect of packet loss on a viewer's subjective perception of a packet video stream. The method involves estimating a quality metric for every frame in the video stream, accumulating such metrics over time, and transforming the result into a Mean Opinion Score (“MOS”) which represents the viewer's subjective perception of the video stream. The method takes into account various factors such as frame rate, frame types and sizes, decoding algorithms, propagated error rates, and the effect of video content on viewer perception. The method can be used for both encrypted and unencrypted video streams.
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