Abstract
In this paper, we propose a new scheme for position coding of the atoms within the Matching Pursuit algorithm as applied to the displaced frame difference (DFD) in a hybrid video encoder. We exploit the spatial and temporal coherence of the positions of the atoms in the DFD: the atoms tend to cluster in regions where the motion prediction fails. The location of these regions is correlated over time. We use a block-based technique in which the number of atoms inside each block is coded differentially with respect to the same block in the previous frame. The atom positions inside each block are coded using the previously proposed NumberSplit algorithm. We demonstrate the effectiveness of our proposed approach on a number of video sequences.
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© 2006 Springer-Verlag Berlin Heidelberg
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Garrigues, P., Zakhor, A. (2006). Atom Position Coding in a Matching Pursuit Based Video Coder. In: Atzori, L., Giusto, D.D., Leonardi, R., Pereira, F. (eds) Visual Content Processing and Representation. VLBV 2005. Lecture Notes in Computer Science, vol 3893. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11738695_21
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DOI: https://doi.org/10.1007/11738695_21
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-33578-8
Online ISBN: 978-3-540-33579-5
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