Performance improvement of distributed video coding by using block mode selection

Authors:
Bo-Ruei Chiou;Yun-Chung Shen;Han-Ping Cheng;Ja-Ling Wu
Affiliations:
National Taiwan University, Taipei, Taiwan Roc;National Taiwan University, Taipei, Taiwan Roc;National Taiwan University, Taipei, Taiwan Roc;National Taiwan University, Taipei, Taiwan Roc
Venue:
Proceedings of the international conference on Multimedia
Year:
2010

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Abstract

Block mode selection is one new way to improve the performance of distributed video coding (DVC). Since there are many factors influencing the correctness of the block mode selection, the decision of block mode is not an easy work. In this paper, a low complexity block mode selection model is proposed to select the block modes more correctly in the WZ (Wyner-Ziv) frame. The proposed block mode selection modules can increase the RD performance up to 2.8 dB as compared with the traditional DVC codecs; moreover, the subjective quality can also be improved by using the proposed deblocking filter when the objective quality is kept the same.