Wavelet-Domain Distributed Video Coding Using Optimized TCQ

  • Authors:

  • Yi Zheng;Anhong Wang;Zhihong Li

  • Affiliations:

  • -;-;-

  • Venue:
  • ICICIC '09 Proceedings of the 2009 Fourth International Conference on Innovative Computing, Information and Control
  • Year:
  • 2009

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Abstract

Nowadays, distributed video coding (DVC) has been receiving more and more attention due to its contribution to the low complexity encoding. This paper presents a new DVC using an optimized trellis coded quantization (TCQ) to improve the current schemes. In the scheme, the improved quadtree scanning firstly removes the zero trees of the Wyner-Ziv frame, and then the non-zero trees are quantized by an optimized TCQ. Finally, the quantized coefficients are compressed by Slepian-Wolf coder. Experimental results show that the proposed scheme outperforms the referenced in rate-distortion performance, and the goal of low-complexity encoding is achieved.