Quadtree classification and TCQ image coding

被引：1
|
作者：
Banister, BA [1 ]
Fischer, TR [1 ]
机构：
[1] Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99164 USA
来源：
DCC '99 - DATA COMPRESSION CONFERENCE, PROCEEDINGS | 1999年
关键词：
D O I：
10.1109/DCC.1999.755664
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The SPIHT algorithm is shown to implicitly use quadtree-based classification The rate-distortion encoding performance of the classes is described and quantization improvements presented. A new encoding algorithm combines a general SPIHT data structure with the granular gain of multi-dimensional quantization to achieve improved PSNR vs, rate performance.
引用
收藏
页码：149 / 157
页数：5
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