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Network-driven low complexity coding for wireless multi-view video system

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Abstract

For wireless multi-view video system, which has very limited capability for storage and computation at the encoder, it is essential to design a video coding scheme with low complexity. Wyner-Ziv (WZ) coding scheme shifts large computational complexities to decoder with side information reconstruction, however, its encoding efficiency is not high enough. To obtain higher encoding efficiency and lower encoding complexity for wireless multi-view video applications, a network-driven low complexity video coding method is proposed in the paper. The proposed method is designed to implement color correction, motion vector extrapolation and disparity extraction at the central node of network, so as to reduce large computational complexities of motion estimation at the encoder and disparity estimation at the decoder. Experimental results show that encoding efficiency of the proposed method is higher than those of WZ coding and H.264 intraframe coding methods. The encoding complexity of the proposed method is greatly decreased and the decoded views are of color consistency, which is favorable to high quality view rendering at the decoder.

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Acknowledgments

This work was supported by the Natural Science Foundation of China (grant 60872094, 60832003), 863 Project of China (2009AA01Z327), the Program for New Century Excellent Talents in University (NCET-06-0537), Natural Science Foundation of Ningbo (grant 2008A610016).

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Authors and Affiliations

  1. Faculty of Information Science and Engineering, Ningbo University, 315211, Ningbo, China

    Feng Shao, Gangyi Jiang & Mei Yu

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  1. Feng Shao
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  2. Gangyi Jiang
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Correspondence to Gangyi Jiang.

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Shao, F., Jiang, G. & Yu, M. Network-driven low complexity coding for wireless multi-view video system. J Real-Time Image Proc 5, 33–43 (2010). https://doi.org/10.1007/s11554-009-0123-3

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