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Proceedings Paper

Adaptive GOP structure based on motion coherence
Author(s): Yanzhuo Ma; Shuai Wan; Yilin Chang; Fuzheng Yang; Xiaoyu Wang
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Paper Abstract

Adaptive Group of Pictures (GOP) is helpful for increasing the efficiency of video encoding by taking account of characteristics of video content. This paper proposes a method for adaptive GOP structure selection for video encoding based on motion coherence, which extracts key frames according to motion acceleration, and assigns coding type for each key and non-key frame correspondingly. Motion deviation is then used instead of motion magnitude in the selection of the number of B frames. Experimental results show that the proposed method for adaptive GOP structure selection achieves performance gain of 0.2-1dB over the fixed GOP, and has the advantage of better transmission resilience. Moreover, this method can be used in real-time video coding due to its low complexity.

Paper Details

Date Published: 31 August 2009
PDF: 8 pages
Proc. SPIE 7455, Satellite Data Compression, Communication, and Processing V, 74550T (31 August 2009); doi: 10.1117/12.827426
Show Author Affiliations
Yanzhuo Ma, Xidian Univ. (China)
Shuai Wan, Northwestern Polytechnical Univ. (China)
Yilin Chang, Xidian Univ. (China)
Fuzheng Yang, Xidian Univ. (China)
Xiaoyu Wang, Air Force Engineering Univ. (China)

Published in SPIE Proceedings Vol. 7455:
Satellite Data Compression, Communication, and Processing V
Bormin Huang; Antonio J. Plaza; Raffaele Vitulli, Editor(s)

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