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
收藏
页码：430 / 436
页数：7
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