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Conference paper

Multi-hypothesis Transform Domain Wyner-Ziv Video Coding including Optical Flow

In 2011 Ieee 13th International Workshop on Multimedia Signal Processing (mmsp) — 2011, pp. 1-6

By Huang, Xin1,2; Rakêt, Lars Lau3; Luong, Huynh Van1,2; Nielsen, Mads3; Lauze, François3; Forchhammer, Søren1,2

From

Coding and Visual Communication, Department of Photonics Engineering, Technical University of Denmark1

Department of Photonics Engineering, Technical University of Denmark2

University of Copenhagen3

Transform Domain Wyner-Ziv (TDWZ) video coding is an efficient Distributed Video coding solution providing new features such as low complexity encoding, by mainly exploiting the source statistics at the decoder based on the availability of decoder side information. The accuracy of the decoder side information has a major impact on the performance of TDWZ.

In this paper, a novel multi-hypothesis based TDWZ video coding is presented to exploit the redundancy between multiple side information and the source information. The decoder used optical flow for side information calculation. Compared with the best available single estimation mode TDWZ, the proposed multi-hypothesis based TDWZ achieves robustly better Rate-Distortion (RD) performance and the overall improvement is up to 0.6 dB at high bitrate and up to 2 dB compared with the DISCOVER TDWZ video codec.

Language: English
Publisher: IEEE
Year: 2011
Pages: 1-6
Proceedings: 13th International Workshop on Multimedia Signal Processing
ISBN: 1457714329 , 9781457714320 , 1457714337 , 1457714345 , 9781457714337 and 9781457714344
Types: Conference paper
DOI: 10.1109/MMSP.2011.6093771
ORCIDs: Forchhammer, Søren , 0000-0001-7099-2314 , 0000-0003-1535-068X and 0000-0003-2503-6475
Keywords

Adaptive optics Computer vision Decoding Image motion analysis Interpolation Noise Video coding

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