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Computation-Free Motion Estimation with Inter-View Mode Decision for Multiview Video Coding

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5 Author(s)

Multiview video coding (MVC) plays a critical role in 3D-TV systems. However, MVC require much more memory bandwidth and computational complexity relative to mono-view video coding. Therefore, an efficient prediction scheme is necessary for computation reduction. In this paper, a new fast prediction algorithm, computation-free motion estimation (ME) with inter-view mode decision, is proposed. By utilizing disparity estimation to find corresponding blocks between different views, the coding information, such as modes and motion vectors, can be effectively reused from the coded view channel. Therefore, the computation for ME can be almost totally neglected in most view channels. Besides, the proposed algorithm also provides the computation scalability. Experimental results show that compared with the full search block matching algorithm (FSBMA), the proposed algorithm not only save 61-72% computation with near-FSBMA quality, but save almost 100% computation with a little quality drop of 0.23-0.36 dB. Thus, computation-free ME is achieved.

Published in:

3DTV Conference, 2007

Date of Conference:

7-9 May 2007

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