System and method for providing error resilience, random access and rate control in scalable video communications
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United States of America Patent
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Apr 5, 2016
Grant Date -
Sep 25, 2014
app pub date -
Mar 25, 2014
filing date -
Mar 3, 2006
priority date (Note) -
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Abstract
Systems and methods for error resilient transmission, rate control, and random access in video communication systems that use sealable video coding are provided. Error resilience is obtained by using information from low resolution layers to conceal or compensate loss of high resolution layer information. The same mechanism is used for rate control by selectively eliminating high resolution layer information from transmitted signals, which elimination can be compensated at the receiver using information from low resolution layers. Further, random access or switching between low and high resolutions is also achieved by using information from low resolution layers to compensate for high resolution spatial layer packets that may have not been received prior to the switching time.
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