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Performing Deblocking in Video Coding Based on Spatial-Domain Motion-Compensated Temporal Filtering

  • Adrian Munteanu
  • Joeri Barbarien
  • Jan Cornelis
  • Peter Schelkens
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4179)

Abstract

Employing block-based motion models in scalable video coding based on spatial-domain motion-compensated temporal filtering (SDMCTF) introduces artificial block-boundary discontinuities that adversely affect the video compression performance, particularly at low bit-rates. This paper focuses on the problem of deblocking in the context of SDMCTF-based video coding. One possible solution to this problem is the use of overlapped-block motion compensation (OBMC). An alternative solution is applying an adaptive deblocking filter, similar to the one used in H.264. With this respect, a novel adaptive deblocking filter, tailored to SDMCTF video coding is proposed. In terms of visual-quality, both approaches yield similar performance. However, adaptive deblocking is less complex than OBMC, as it requires up to 34% less processing time. Experimental results show that the two techniques significantly improve the subjective and objective quality of the decoded sequences, confirming the expected benefits brought by deblocking in SDMCTF-based video coding.

Keywords

Motion Vector Video Code Motion Compensation Scalable Video Code Block Boundary 
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 2006

Authors and Affiliations

  • Adrian Munteanu
    • 1
  • Joeri Barbarien
    • 1
  • Jan Cornelis
    • 1
  • Peter Schelkens
    • 1
  1. 1.Department of Electronics and InformaticsVrije Universiteit Brussel, Interdisciplinary Institute for Broadband TechnologyBrusselsBelgium

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