Packed integer wavelet transform constructed by lifting scheme

被引：18
|
作者：
Lin, CJ [1 ]
Zhang, B [1 ]
Zheng, YF [1 ]
机构：
[1] Ohio State Univ, Dept Elect Engn, Columbus, OH 43210 USA
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY | 2000年 / 10卷 / 08期
关键词：
biorthogonal wavelets; image compression; integer wavelet ransform; lifting scheme; packed computation;
D O I：
10.1109/76.889059
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 new method for speeding up the integer wavelet transforms constructed by the lifting scheme is proposed. The proposed method packs multiple pixels (wavelet coefficients) in a single word; therefore, it can make use of the 32-bit or 64-bit computational capability of modern computers to accomplish multiple addition/subtraction operations in one instruction cycle. As a result, our method can save the decomposition/reconstruction time by up to 37 % on 32-bit machines and require much less working memory in comparison with the original wavelet transform algorithms.
引用
收藏
页码：1496 / 1501
页数：6
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