Journal of Information Processing Systems

Korea Information Processing Society (한국정보처리학회)
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Adaptive Motion Vector Smoothing for Improving Side Information in Distributed Video Coding

  • Guo, Jun (Dept. of Electrical and Computer Engineering, Illinois Institute of Technology) ;
  • Kim, Joo-Hee (Dept. of Electrical and Computer Engineering, Illinois Institute of Technology)
  • Received : 2010.08.04
  • Accepted : 2010.08.31
  • Published : 2011.03.31
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Abstract

In this paper, an adaptive motion vector smoothing scheme based on weighted vector median filtering is proposed in order to eliminate the motion outliers more effectively for improving the quality of side information in frame-based distributed video coding. We use a simple motion vector outlier reliability measure for each block in a motion compensated interpolated frame and apply weighted vector median filtering only to the blocks with unreliable motion vectors. Simulation results show that the proposed adaptive motion vector smoothing algorithm improves the quality of the side information significantly while maintaining low complexity at the encoder in frame-based distributed video coding.

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References

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