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Depth Map Based Distributed Multi-view Video Coding Scheme through an Efficient Side Information Generation  

Yoo, Ji-Hwan (광운대학교 전자공학과 디지털 미디어 연구실)
Lee, Dong-Seok (광운대학교 전자공학과 디지털 미디어 연구실)
Kim, Tae-June (광운대학교 전자공학과 디지털 미디어 연구실)
Yoo, Ji-Sang (광운대학교 전자공학과 디지털 미디어 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.10B, 2009 , pp. 1093-1103 More about this Journal
Abstract
In this paper, we propose a new depth map based distributed multi-view video coding algorithm through an efficient side information generation. A distributed video coding scheme corrects errors between an original image and side information generated at a decoder by using channel coding techniques. Therefore, the more accurate side information is generated, the better performance of distributed video coding scheme is achieved. In the proposed algorithm, a distributed video coding scheme is applied to multi-view video coding based on depth map. Side information is also generated from images of adjacent views through 3D warping by using a depth map and is also combined with MCTI(motion compensated temporal interpolation) which uses images on a temporal axis, and 3D warping. Experimental results show that side information generated by using the proposed algorithm has 0.97dB better average PSNR compared with using MCTI and 3D warping separated. In addition, 8.01% of average bit-rate has been decreased while the same PSNR in R-D curves is kept.
Keywords
Distributed Video Coding; Multi-view Video Coding; Side Information; Depth Map; 3D Warping;
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Times Cited By KSCI : 1  (Citation Analysis)
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