A Method for Image De-noising Based on the Contourlet Transform Using Recursive Cycle Spinning

LIANG Dong; SHEN Min; GAO Qing-wei; BAO Wen-xia; QU Lei

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A Method for Image De-noising Based on the Contourlet Transform Using Recursive Cycle Spinning

更新时间：2025-07-16

- A Method for Image De-noising Based on the Contourlet Transform Using Recursive Cycle Spinning
- Acta Electronica Sinica Vol. 33, Issue 11, Pages: 2044-2046(2005)
- 作者机构：
  
  1. 安徽大学计算智能与信号处理教育部重点实验室,安徽,合肥,230039
  2. 安徽大学电子科学与技术学院,安徽,合肥,230039
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391
- Published：2005
- 稿件说明：
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LIANG Dong, SHEN Min, GAO Qing-wei, et al. A Method for Image De-noising Based on the Contourlet Transform Using Recursive Cycle Spinning[J]. Acta Electronica Sinica, 2005, 33(11): 2044-2046.
DOI：

LIANG Dong, SHEN Min, GAO Qing-wei, et al. A Method for Image De-noising Based on the Contourlet Transform Using Recursive Cycle Spinning[J]. Acta Electronica Sinica, 2005, 33(11): 2044-2046. DOI：

摘要

综合利用Contourlet变换和递归Cycle Spinning

提出一种新的图像去噪方法.由于Contourlet变换缺乏平移不变性

直接进行Contourlet系数阈值图像去噪会产生伪吉布斯现象(导致图像失真)

本文引入递归Cycle Spinning来有效地消除这种由于Contourlet变换缺乏平移不变性而产生的图像失真.实验结果显示

与小波递归Cycle Spinning图像去噪等方法相比

该方法明显改善图像视觉效果

显著提高图像的PSNR值.

Abstract

A new method for image de-noising which colligated the strongpoint of Contourlet transform and Recursive Cycle Spinning was presented.Due to the lack of translation invariance of the Contourlet transform

image de-noising by coefficient thresholding would lead to Gibbs-like phenomena(lead to artifacts).Recursive Cycle Spinning was employed to avoid the artifacts.The experimental results indicate that the method can get better visual effect and PSNR value compared with the methods like wavelet image de-noising using the Recursive Cycle Spinning.

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