Systems and methods for protecting elementary bitstreams incorporating independently encoded tiles
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United States of America Patent
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Sep 12, 2017
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app pub date -
Aug 7, 2015
filing date -
Aug 7, 2014
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Abstract
Systems and methods for partial frame encryption in accordance with embodiments of the invention are disclosed. In one embodiment, the method receives a video bitstream that includes several frames, each frame including several independently encoded compression units within the frame, encrypts a portion of each of several compression units in several frames, and generates an output bitstream that includes the several independently encoded compression units including the encrypted portions of the compression units.
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