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A Hybrid Motion Compensated 3-D Video Coding System for Blocking Artifacts Reduction

  • Cho-Chun Cheng
  • Wen-Liang Hwang
  • Zuowei Shen
  • Tao Xia
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3767)

Abstract

We compare, both objectively and subjectively, the performance of various advanced motion compensation methods, including overlapped block motion compensation (OBMC) and control grid interpolation (CGI), in a 3-D wavelet based coding system. Our results indicate that an OBMC sequence usually has a higher PSNR than those of the other methods, while a CGI sequence usually has the least number of blocking artifacts. We combine these two methods in a hybrid system in order to achieve better visual quality and maintain satisfactory coding efficiency simultaneously. The objective and subjective results indicate that the proposed hybrid method removes more than 50% of blocking artifacts of an OBMC sequence, while simultaneously maintaining a high PSNR performance.

Keywords

Discrete Wavelet Transform Motion Vector Visual Quality Motion Compensation Block Match Algorithm 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Cho-Chun Cheng
    • 1
  • Wen-Liang Hwang
    • 1
  • Zuowei Shen
    • 2
  • Tao Xia
    • 3
  1. 1.Institute of Information ScienceAcademia SinicaTaipeiTaiwan
  2. 2.Department of MathematicsNational University of SingaporeSingapore
  3. 3.Center for Wavelet, Approximation and Information Processing (CWAIP)National University of SingaporeSingapore

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