Progressive coding of medical volumetric data using three-dimensional integer wavelet packet transform

被引：0
|
作者：
Xiong, ZX [1 ]
Wu, XL [1 ]
Yun, DY [1 ]
Pearlman, WA [1 ]
机构：
[1] Univ Hawaii, Dept Elect Engn, Honolulu, HI 96822 USA
来源：
VISUAL COMMUNICATIONS AND IMAGE PROCESSING '99, PARTS 1-2 | 1998年 / 3653卷
关键词：
D O I：
10.1117/12.334681
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 progressive lossy to lossless compression of medical volumetric data using three-dimensional (3D) integer wavelet packet transforms and set partitioning in hierarchical trees (SPIHT). To achieve good lossy coding performance, we describe a 3D integer wavelet packet transform that allows implicit bit shifting of wavelet coefficients to approximate a 3D unitary transformation. We also address context modeling for efficient entropy coding within the SPIHT framework. Both lossy and lossless coding performances are better than those reported recently in.(1)
引用
收藏
页码：327 / 335
页数：7
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