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http://dx.doi.org/10.7840/KICS.2011.36C.4.207

Efficient Motion Compensated Extrapolation Technique Using Forward and Backward Motion Estimation  

Kwon, Hye-Gyung (가톨릭대학교 정보통신전자공학과)
Lee, Chang-Woo (가톨릭대학교 정보통신전자공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.36, no.4C, 2011 , pp. 207-216 More about this Journal
Abstract
Motion compensated extrapolation (MCE) techniques show inferior performance compared to motion compensated interpolation techniques, since only past frames are used in MCE. MCE techniques are used for the reconstruction of corrupted frames, the up-conversion of frame rates and the generation of side information in the distributed video coding system. In this paper, the performance of various MCE techniques are evaluated and an efficient MCE technique using the forward and backward motion estimation is proposed. In the proposed technique, the present frame is extrapolated by averaging two frames which are generated by forward and backward motion estimation respectively. It is shown that the proposed method produces better PSNR results and less blocking phenomena than conventional methods.
Keywords
Motion Compensated Extrapolation; Motion Compensated Interpolation; Motion Estimation; Frame Rate; Distributed Video Coding;
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