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Loss-aware rate distortion optimized (LA-RDO) MB mode decision has been introduced in scalable video coding (SVC) to minimize the quality degradation impact of transmission errors. It aims to optimize rate-distortion performance considering transmission error and resulted error propagation. However, Lagrange multiplier (??) used in LARDO based mode decision does not consider the correlations between...
Error resilient coding and error concealment techniques have been introduced in scalable video coding to reduce the quality degradation impact of transmission errors. Redundant picture is one of the error resilient tools, appropriate for delay sensitive applications where re-transmission is not possible and channel loss rates such as in packet-based wireless networks, are not a priori known. In this...
The current JSVM software only supports Frame- Copy and Motion-Copy Error Concealment (EC) methods for the concealment of key picture loss in Group of Picture (GOP). In the proposed method, we exploit motion retrieval information to conceal key frame in scalable video coding. The auxiliary motion vectors of only key picture are interleaved into the bit stream of previous key picture. To control bit-rate...
Significant improvements have been demonstrated in video compression techniques while introducing H.264/AVC video coding standard. Scalable Video Coding (SVC) enables the extraction of appropriate partial bit streams to meet the specific target bit rate with lower temporal or spatial resolutions or quality while retaining a reconstruction quality that is high relative to the rate of the partial bit...
Real time transmission of video contents of optimal quality over a varying bandwidth network like Internet is a challenging task. A codec, in this scenario, should be able to cope with the packet loss and bandwidth variation for the transmitted stream. Fine Granular Scalability (FGS) has been adopted in MPEG-4 standard to provide optimal video quality over a range of bandwidths. FGS is well suited...
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