Decoupled 3-D zerotree structure for wavelet-based video coding

被引：5

作者：

Zhang, Liang ^{[1
]}

Wang, Demin ^{[1
]}

Vincent, Andre ^{[1
]}

机构：

[1] Commun Res Ctr, Ottawa, ON K2H 8S2, Canada

来源：

IEEE TRANSACTIONS ON BROADCASTING | 2008年 / 54卷 / 03期

关键词：

embedded coding; set partitioning in hierarchical trees (SPIHT); video coding; wavelet transform;

D O I：

10.1109/TBC.2008.2000551

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A novel data structure is proposed for magnitude-ordering 3-D wavelet transform coefficients. This data structure consists of temporal I-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.

引用

页码：430 / 436

页数：7

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