Analysis of overlapped block motion compensation based on a statistical motion distribution model

W. Zheng, Yoshiaki Shishikui, M. Naemura, Y. Kanatsugu, S. Itoh

研究成果: Paper

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Overlapped block motion compensation (OBMC) has been shown to provide reduced prediction errors as well as reduced blocking artifacts compared with the conventional non-overlapped block motion compensation (NOBMC). However, there is no satisfactory theoretical basis that clearly interprets why OBMC can reduce prediction errors. In this paper we present a theoretical analysis of OBMC based on a novel statistical motion distribution model. Our analysis proves theoretically that prediction errors increase towards block boundaries and that OBMC has error reduction and equalization property, with the errors being more reduced at block boundaries than at block centers. The analytical results are justified by empirical experiments with typical image sequences.

元の言語English
ページ522-525
ページ数4
出版物ステータスPublished - 1 1 2001
イベントIEEE International Conference on Image Processing (ICIP) - Thessaloniki, Greece
継続期間: 7 10 200110 10 2001

Conference

ConferenceIEEE International Conference on Image Processing (ICIP)
Greece
Thessaloniki
期間7/10/0110/10/01

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    Zheng, W., Shishikui, Y., Naemura, M., Kanatsugu, Y., & Itoh, S. (2001). Analysis of overlapped block motion compensation based on a statistical motion distribution model. 522-525. 論文発表場所 IEEE International Conference on Image Processing (ICIP), Thessaloniki, Greece.