WANG Anhong, ZHAO Yao, PAN Jeng-Shyang. Residual Distributed Video Coding Based on LQR-Hash[J]. Chinese Journal of Electronics, 2009, 18(1): 109-112.
Citation: WANG Anhong, ZHAO Yao, PAN Jeng-Shyang. Residual Distributed Video Coding Based on LQR-Hash[J]. Chinese Journal of Electronics, 2009, 18(1): 109-112.

Residual Distributed Video Coding Based on LQR-Hash

  • Received Date: 2007-11-01
  • Rev Recd Date: 2008-06-01
  • Publish Date: 2009-02-15
  • Distributed source coding (DSC) and Distributed video coding (DVC) have aroused high researchinterest due to their property of low-complexity encoding. This paper presents a residual DVC based on Lowquality reference (LQR) hash compressed by 0-motionH.264/AVC. SW-SPIHT is applied to the residual betweenWyner-Ziv frame and the decoded LQR hash, which exploits the temporal and spatial correlations so improvesthe coding effciency. At the decoder, the decoded LQR isused for more accurate motion estimation and better sideinformation. And a refinement reconstruction with sideinformation is proposed for better SPIHT decoding. Theexperimental results indicate the proposed scheme achievesbetter rate-distortion performance than current literaturesunder the constraint of similar encoding complexity.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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