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This paper presents a fault-tolerance technique for H.264's Context-Adaptive Variable Length Coding (CAVLC) on unreliable computing hardware. The application-specific knowledge is leveraged at both algorithm and architecture levels to protect the CAVLC process (especially context adaptation and coding tables) in a reliable yet power-efficient manner. Specifically, the statistical analysis of coding...
Telemedicine is drawing greater attention to improve the health care delivery. Video coding being an integral part of any real-time telemedicine system is used to deliver diagnostic video stream to remote physician. Realizing a video coding system customized for telemedicine, using the available technologies poses several challenges. In this paper, we have analyzed state-of-the-art video codecs for...
The limitation of energy in portable communication/entertainment devices necessitates the reduction of video encoding complexity. The H.264/AVC video coding standard is one of the latest video codecs and features a complex Motion Estimation scheme that accounts for a major part of the encoder energy. We therefore present a power-aware Motion Estimator for H.264 that adapts at run time according to...
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