A Weighted Motion Compensation Interpolation Method for Improving Side Information in Distributed Video Coding

Deng Yin Zhang; Ying Tian Ji; Xue Mei Wang

doi:10.4028/www.scientific.net/AMM.519-520.672

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 519-520A Weighted Motion Compensation Interpolation...

A Weighted Motion Compensation Interpolation Method for Improving Side Information in Distributed Video Coding

Abstract:

The quality of side information (SI) is one of the critical factors which play an important part in the compression performance of Distributed Video Coding (DVC).In this paper, we analyze the algorithm of Motion Compensation Interpolation (MCI) and propose an improving algorithm against its limitation. The algorithm proposed firstly makes each pixel has more than one motion vectors, then picks the best vector out and makes it plays the most important role in motion compensation with weighted average. Through the simulation of different frame sequences, the PSNR of the side information generated by the algorithm proposed in this paper is 0.3-0.7dB higher than that in the original algorithm.

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Periodical:

Applied Mechanics and Materials (Volumes 519-520)

Pages:

672-675

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.519-520.672

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Online since:

February 2014

Authors:

Deng Yin Zhang*, Ying Tian Ji, Xue Mei Wang

Keywords:

Distributed Video Coding (DVC), Motion Estimation, Side Information (SI), Weighted Motion Compensation

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