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Low complexity asymmetric multiview video coding,” JVT-Y054

By Ying Chen, Shujie Liu, Ye-kui Wang, Miska M. Hannuksela, Houqiang Li and Moncef Gabbouj


Multiview video coding (MVC) is currently under development by the Joint Video Team (JVT) as an extension to Advanced Video Coding (H264/AVC). Based on the suppression theory in binocular vision, the fidelity of one of the two views of a stereoscopic display can be reduced without noticeable degradation of subjective quality. Thus, in MVC, a subset of views can be coded with lower spatial resolution at negligible cost to subjective quality. Due to different resolutions, a downsampling process is required in an MVC decoder in order to enable motion compensation (MC) between views. In this paper, a low-complexity MC algorithm is proposed for MVC to enable inter-view prediction between pictures with different resolutions. It requires lower memory consumption and lower computational complexity compared with the conventional downsampled inter-view prediction, while providing comparable efficiency, as shown by the simulation results. Index Terms — Multiview video coding, asymmetric coding, motion compensation, decoded picture buffe

Year: 2007
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