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The ongoing research in distributed video coding (DVC) for low complexity encoding is trying to shorten the substantial performance gap to well known state-of-the-art coders. One way of reducing this gap is to improve the quality of the motion compensated prediction. In this paper we investigate which motion estimation method to apply in DVC, comparing possible methods to produce a motion compensated prediction. We use interpolation as well as extrapolation methods. Our results show that even with a very simple DCT scheme for the Wyner Ziv frames, extrapolation can outperform the widely used interpolation.
Multimedia Signal Processing, 2008 IEEE 10th Workshop on
Date of Conference: 8-10 Oct. 2008