3-D Wavelet coding of video with arbitrary regions of support

被引：52

作者：

Minami, G ^{[1
]}

Xiong, ZX

Wang, A

Mehrotra, S

机构：

[1] Univ Hawaii, Dept Elect Engn, Honolulu, HI 96822 USA

[2] Texas A&M Univ, Dept Elect Engn, College Stn, TX 77843 USA

[3] Microsoft Corp, Redmond, WA 98052 USA

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY | 2001年 / 11卷 / 09期

基金：

美国国家科学基金会;

关键词：

arbitrary regions of support; SPIHT; video coding; wavelet transform;

D O I：

10.1109/76.946523

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：

We examine 3-D wavelet coding of video with arbitrary regions of support (AROS). A critically sampled wavelet transform is applied to the AROS and a modified 3-D set partitioning in hierarchical trees (SPIHT) algorithm is used to quantize and code the wavelet coefficients in the AROS only. Experiments show that, for typical MPEG-4 pre-segmented sequences, our proposed method can achieve a gain of up to 5.6 dB in average PSNR at the same rate over 3-D SPIHT coding of regular volumes that embed the AROS of the given video sequences.

引用

页码：1063 / 1068

页数：6

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