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In this work, we propose an unequal error protection (UEP) scheme for scalable video coding using low density parity check (LDPC) codes. LDPC codes are renowned for their near-capacity performance. In the proposed framework, a video sequence is coded based on scalable video coding (SVC) H.264/AVC standard document. We divide the SVC coded video stream into different sub-streams in terms of time and...
Reliably transporting captured video content over Wireless Sensor Networks (WSNs) poses several challenges due to the unique energy constraints presented by individual sensor nodes. The nature and amount of video content is another challenge that further complicates WSN data reliability problem. Motivated by the aforementioned factors, in this work, we propose an architecture that promises to enhance...
Interleaved Source Coding (ISC) is one of the error resilient coding methods for predictive video coded frames transmitted over a single erasure channel. ISC has shown to significantly improve the overall quality of predictive coded video stream over a lossy channel. In this paper, ISC is evaluated over memoryless Binary Erasure Channel (ISC-BEC). Simulations have shown the superiority of ISC over...
Recent advances have shown that channel codes can be mapped onto networks to realize efficient Network Coding (NC); this has led to the emergence of Code-on-Network-Graphs (CNG). Traditional CNG approaches (e.g Decentralized Erasure Codes) focus on a generating a sequence of encoded symbols from a given input source (of size K), such that the original symbols can be recovered from any subset of the...
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