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http://dx.doi.org/10.5909/JBE.2010.15.1.112

Distributed video coding complexity balancing method by phase motion estimation algorithm  

Kim, Chul-Keun (Department of Electronics and Radio Engineering, Kyunghee Univ.)
Kim, Min-Geon (Department of Electronics and Radio Engineering, Kyunghee Univ.)
Suh, Doug-Young (Department of Electronics and Radio Engineering, Kyunghee Univ.)
Park, Jong-Bin (School of Information and Communication Engineering, Sungkyunkwan University)
Jeon, Byeung-Woo (School of Information and Communication Engineering, Sungkyunkwan University)
Publication Information
Journal of Broadcast Engineering / v.15, no.1, 2010 , pp. 112-121 More about this Journal
Abstract
Distributed video coding is a coding paradigm that allows complexity to be shared between encoder and decoder, in contrast with conventional video coding. We propose that complexity balancing method of encoder/decoder by phase motion estimation algorithm. The encoder performs partial motion estimation. The result of the partial motion estimation is transferred to the decoder, and the decoder performs motion estimation within the narrow range. When the encoder can afford some complexity, complexity balancing is possible. The method proposed is able to know relativity between complexity balancing and coding efficiency. The coding efficiency increase rate by the encoder complexity increases is higher than that by the decoder complexity increases. The proposed method can control the complexity and coding efficiency according to devices' resources and channel conditions.
Keywords
DVC(Distributed Video Coding); Complexity; Motion estimation; Three Step Search;
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