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Author:

Deng, Zhipin (Deng, Zhipin.) | Jia, Kebin (Jia, Kebin.) (Scholars:贾克斌) | Chan, Yui-Lam (Chan, Yui-Lam.) | Fu, Chang-Hong (Fu, Chang-Hong.) | Siu, Wan-Chi (Siu, Wan-Chi.)

Indexed by:

EI Scopus SCIE CSCD

Abstract:

Multiview video involves a huge amount of data, and as such, efficiently encoding each view is a critical issue for its wider application. In this paper, a fast motion and disparity estimation algorithm is proposed, utilizing the close correlation between temporal and interview reference frames. First, a reliable predictor is found according to the correlation of motion and disparity vectors. Second, an iterative search process is carried out to find the optimal motion and disparity vectors. The proposed algorithm makes use of the prediction vector obtained in the previous motion estimation for the next disparity estimation and achieves both optimal motion and disparity vectors jointly. Experimental results demonstrate that the proposed algorithm can successfully save an average of 86% of computational time with a negligible quality drop when compared to the joint multiview video model (JMVM) full search algorithm. Furthermore, in comparison with the conventional simulcast coding, the proposed algorithm enhances the video quality and also greatly increases coding speed.

Keyword:

joint multiview video model (JMVM) disparity estimation multiview video coding (MVC) H.264 motion estimation

Author Community:

  • [ 1 ] [Deng, Zhipin]Beijing Univ Technol, Dept Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Jia, Kebin]Beijing Univ Technol, Dept Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Chan, Yui-Lam]Hong Kong Polytech Univ, Dept Elect Informat Engn, Hong Kong, Hong Kong, Peoples R China
  • [ 4 ] [Fu, Chang-Hong]Hong Kong Polytech Univ, Dept Elect Informat Engn, Hong Kong, Hong Kong, Peoples R China
  • [ 5 ] [Siu, Wan-Chi]Hong Kong Polytech Univ, Dept Elect Informat Engn, Hong Kong, Hong Kong, Peoples R China

Reprint Author's Address:

  • [Deng, Zhipin]Beijing Univ Technol, Dept Elect Informat & Control Engn, Beijing 100124, Peoples R China

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Source :

FRONTIERS OF COMPUTER SCIENCE IN CHINA

ISSN: 1673-7350

Year: 2010

Issue: 4

Volume: 4

Page: 571-579

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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