New approach based on Shapiro's embedded zero-tree wavelet algorithm for image compression

Abdelkrim Ouafi; Zine-Eddine Baarir; Abdelmalik Taleb-AhmedNoureddine DoghmaneAthmane Zitouni

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New approach based on Shapiro's embedded zero-tree wavelet algorithm for image compression

机译：New approach based on Shapiro's embedded zero-tree wavelet algorithm for image compression

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摘要

We propose a new approach to image compression based on the principle of Shapiro's embedded zero-tree wavelet (EZW) algorithm. Our approach, the efficient EZW (E-EZW), uses six symbols instead of the four used in the original Shapiro's algorithm to minimize the redundant symbols, and optimizes the coding by binary regrouping of the information. This approach can produce results that have a significant improvement over the peak signal-to-noise ratio and compression ratio obtained by Shapiro without affecting the computing time. These results are also comparable to those obtained using the set partitioning in hierarchical trees (SPIHT), set partitioning embedded block (SPECK), and JPEG2000 algorithms.

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来源
《Optical Engineering》 |2007年第7期|077008-1-077008-10-0|共10页
作者
Abdelkrim Ouafi; Zine-Eddine Baarir; Abdelmalik Taleb-AhmedNoureddine DoghmaneAthmane Zitouni;
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作者单位

University of Mohamed Khider, Electronics Department and Laboratory of Experts Systems, Image, and Its Applications "LESIA", 07000 Biskra, Algeria;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学仪器;
关键词
image compression; Shapiro's embedded zero-tree wavelet algorithm; efficient embedded zero-tree wavelet; entropy; coding; peak signal-to-noise ratio; compression ratio; set partitioning in hierarchical trees; set partitioning embedded block; JPEG2000;

New approach based on Shapiro's embedded zero-tree wavelet algorithm for image compression

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