Generic 9-7-tap Wavelets Filters and Their Performances Studies on Image Compression

WANG Guo-qiu; YUAN Wei-wei

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Generic 9-7-tap Wavelets Filters and Their Performances Studies on Image Compression

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- Generic 9-7-tap Wavelets Filters and Their Performances Studies on Image Compression
- Acta Electronica Sinica Vol. 29, Issue 1, Pages: 130-132(2001)
- 作者机构：
  
  1. 湖南师范大学计算机系,长沙,410006
  2. 国防科技大学系统工程与数学系,长沙,410073
  3. 湖南师范大学计算机系长沙,410006
  4. 国防科技大学系统工程与数学系长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.7
- Published：2001
- 稿件说明：
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WANG Guo-qiu, YUAN Wei-wei. Generic 9-7-tap Wavelets Filters and Their Performances Studies on Image Compression[J]. Acta Electronica Sinica, 2001, 29(1): 130-132.
DOI：

WANG Guo-qiu, YUAN Wei-wei. Generic 9-7-tap Wavelets Filters and Their Performances Studies on Image Compression[J]. Acta Electronica Sinica, 2001, 29(1): 130-132. DOI：

摘要

通过构造一个包含Cohen和Daubechies等人的著名9-7小波滤波器(CDF97)的超小波滤波器族

获得了新的9-7小波滤波器

它们不仅有很好的压缩性能

也有很好的计算性能

有利于ASIC的设计.试验结果表明

新的小波滤波器几乎具有CDF97的客观压缩性能

并且能保留更多的图像细节.因此

在标准化图像压缩系统中

本文的滤波器是CDF97理想的替代者.

Abstract

This paper constructs a class of 9-7-tap wavelets filters

in which the famous 9-7-tap wavelet (CDF97) of Cohen and Daubechies is contained.New wavelets filters obtained from the class not only have excellent compression performances but also easy computation and are very suitable for design of ASIC.The test results for compression performances have shown that new filters are good almost as CDF97 under PSNR and can save more details.Therefore

the filters constructed in this paper are ideal replacement of CDF97 in standardized image compression systems based on wavelets.

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