VIDEO PROCESSING WITH DYNAMIC RESOLUTION CHANGES
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United States of America Patent
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Mar 23, 2017
app pub date -
Sep 15, 2016
filing date -
Sep 17, 2015
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Abstract
Approaches for filtering an incoming video signal to a sub-resolution before encoding by a standard block based encoding algorithm. The selection of the resolution to which the incoming signal is down filtered is determined on the basis of a prediction of the video quality that may be expected at the system output with regard to the complexity or entropy of the signal. The predicted output video quality may be estimated on the basis of the Quantization Parameter of an encoder receiving the input video signal or a filtered video signal. The selection of a new down-filtered resolution may be carried out with regard to one or more thresholds.
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