SYSTEM AND METHOD TO ESTIMATE END-TO-END VIDEO FRAME DELAYS
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United States of America Patent
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app pub date -
May 13, 2016
filing date -
Dec 6, 2012
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Abandoned
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Abstract
System and method to calculate video frame delay in a video stream received by a telecommunications endpoint, the method including: locating reference features characteristic of content in the received video stream; calculating, by use of a processor, reduced reference features from the located reference features; receiving reduced reference features of a transmitted video stream, the transmitted video stream corresponding to the received video stream; calculating, by use of a processor, a received trajectory of the reduced reference features from the received video stream; calculating, by use of a processor, a transmitted trajectory of the reduced reference features from the transmitted video stream; and calculating, by use of a processor, video frame delay as a time shift between the received trajectory and the transmitted trajectory.
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