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Adaptive Residual DPCM using Weighted Linear Combination of Adjacent Residues in Screen Content Video Coding
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  • Journal title : Journal of Broadcast Engineering
  • Volume 20, Issue 5,  2015, pp.782-785
  • Publisher : The Korean Institute of Broadcast and Media Engineers
  • DOI : 10.5909/JBE.2015.20.5.78
 Title & Authors
Adaptive Residual DPCM using Weighted Linear Combination of Adjacent Residues in Screen Content Video Coding
Kang, Je-Won;
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In this paper, we propose a novel residual differential pulse-code modulation (RDPCM) coding technique to improve coding efficiency of screen content videos. The proposed method uses a weighted combination of adjacent residues to provide an accurate estimate in RDPCM. The weights are trained in previously coded samples by using an L1 optimization problem with the least absolute shrinkage and selection operation (LASSO). The proposed method achieves BD-rate saving about 3.1% in all-intra coding.
HEVC;screen content video coding;RDPCM;
 Cited by
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