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. A simple and effective method is presented forfast decoding of H.264 scalable video coding SVC . Theup-sampling operation in H.264 SVC makes the decodervery complex, because convolution and complex memorytransactions are inevitable. The proposed method exploitscoded modes of neighboring macroblocks MBs for deter-mining up-sampling operation on MB by MB. The experi-mental validation shows considerable improvement in de-coding time, and the proposed method reduces thecomplexity by about 25% on average. © 2008 Society of Photo-Optical Instrumentation Engineers. DOI: 10.1117/1.2957042 Subject terms: video decoder; scalable video coding; upsampling . Paper 080173LR received Mar. 9, 2008; revised manuscriptreceived May 18, 2008; accepted for publication May 20, 2008;published online Jul. 16, 2008. 1 Introduction Although transcoding methods 1–4 support spatial, temporal,and quality adaptation, they require additional tools intransmission. Consequently, a new standard was proposedto provide scalable video models for scalable extension ofH.264/AVC H.264 scalable video coding SVC .

Fast decoder for H.264 scalable video coding with selective up-sampling for spatial scalable video coding