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This paper demonstrates a peer-to-peer (P2P) live and VOD streaming system called Immedia based on Scalable Video Coding (SVC) with low latency. With features of layered coding in SVC, Immedia system could automatically adapt output video rate to varying network. Especially, the live system combining P2P streaming media transmission techniques works better in this respect and greatly reduces server...
This paper investigates the no-reference SVC bitstream extraction problem and presents an efficient solution to approximate the “optimal” extracted sub-stream. First, we introduce a linear error model to accurately estimate the distortion caused by discarding any combination of packets, even when the original sequence is not available. Then we propose a greedy algorithm to decide each packet's priority...
In this paper, we propose a single-pass dependent bit allocation algorithm for H.264/SVC hierarchical B-pictures. To develop a practical bit allocation algorithm, we use the number of skipped blocks and the ratio of the mean absolute difference (MAD) as features to measure the inter-layer signal dependence of input video signals. The proposed algorithm performs bit allocation at the target bit rate...
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