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Decoupled 3-D Zerotree Structure for Wavelet-Based Video Coding

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3 Author(s)
Zhang, L. ; Commun. Res. Centre Canada, Ottawa, ON ; Demin Wang ; Vincent, A.

A novel data structure is proposed for magnitude-ordering 3-D wavelet transform coefficients. This data structure consists of temporal 1-D orientation trees followed by spatial 2-D orientation trees. Based on this data structure, a coding algorithm is developed for the embedded coding of 3-D wavelet transform coefficients. Experiment results confirm that the proposed coding algorithm outperforms a conventional algorithm that uses asymmetric 3-D orientation trees.

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Broadcasting, IEEE Transactions on  (Volume:54 ,  Issue: 3 )