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

页码：1496 / 1501

页数：6

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