Analytics-modulated coding of surveillance video
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United States of America Patent
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Dec 15, 2015
Grant Date -
May 20, 2010
app pub date -
Nov 17, 2009
filing date -
Nov 17, 2008
priority date (Note) -
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Abstract
A method and apparatus for encoding surveillance video where one or more regions of interest are identified and the encoding parameter values associated with those regions are specified in accordance with intermediate outputs of a video analytics process. Such an analytics-modulated video compression approach allows the coding process to adapt dynamically based on the content of the surveillance images. In this manner, the fidelity of the region of interest is increased relative to that of a background region such that the coding efficiency is improved, including instances when no target objects appear in the scene. Better compression results can be achieved by assigning different coding priority levels to different types of detected objects.
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