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Error-Resilience Enhancement based on Polyphase Down Sampling for the H.264 Video Coding Technology  

Jung, Eun Ku (Dept. of Software Engineering. Sejong University)
Jia, Jie (Dept. of Software Engineering. Sejong University Xidian University, China)
Kim, Hae Kwang (Dept. of Software Engineering. Sejong University)
Choi, Hae Chul (Broadcasting Media Research Group, Digital Broadcasting Research Division, ETRI)
Kim, Jae Gon (Broadcasting Media Research Group, Digital Broadcasting Research Division, ETRI)
Publication Information
Journal of Broadcast Engineering / v.10, no.3, 2005 , pp. 340-347 More about this Journal
Abstract
This paper presents a polyphase down sampling based multiple description coding applied to H.264 video coding standard. For a given macroblock, a residual macroblock is calculated by motion estimation, and before applying DCT, quantization and entrophy coding of the H.264 coding process, the polyphase down sampling is applied to the residual macroblock to code in four separate descriptions. Experiments were performed for all the 9 test sequences of JVT SVC standardization in various packet loss patterns. Experimental results show that the proposed one gives 0.5 to 5 dB enhancement over an error-concealment based on the slice group map technolgoy.
Keywords
Multiple Description Coding; Error-Concealment; H.264; Polyphase Down Sampling;
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