| 基于Shearlet变换的图像去噪算法 |
| |
| 引用本文： | 胡海智,孙辉,邓承志,陈习,柳枝华,占惠星.基于Shearlet变换的图像去噪算法[J].计算机应用,2010,30(6):1562-1564. |
| |
| 作者姓名： | 胡海智 孙辉 邓承志 陈习 柳枝华 占惠星 |
| |
| 作者单位： | 1. 南昌航空大学2. 南昌工程学院3. 南昌工程学院 计算机科学与技术系4. 南昌航空大学 信息工程学院 |
| |
| 基金项目： | 国家自然科学基金资助项目(60462003);;江西省教育厅科技项目(GJJ09366;GJJ10630) |
| |
| 摘 要： | 针对传统变换域去噪算法的不足,提出一种基于Shearlet变换的图像去噪算法。该算法首先在Shearlet变换理论基础上实现了一种分解和重构的方法,然后用Monte-Carlo方法对高频系数进行估计,最后通过阈值函数进行收缩去噪。实验结果表明,该算法在抑噪和保持边缘的同时,取得了较好的视觉效果和更高的PSNR值。
|
| 关 键 词： | Shearlet变换 去噪 峰值信噪比 图像处理 多尺度几何分析 |
| 收稿时间： | 2009-11-30 |
| 修稿时间： | 2010-01-15 |
Image de-noising algorithm based on Shearlet transform |
| |
| HU Hai-zhi,SUN Hui,DENG Cheng-zhi,CHEN Xi,LIU Zhi-hua,ZHAN Hui-xing.Image de-noising algorithm based on Shearlet transform[J].journal of Computer Applications,2010,30(6):1562-1564. |
| |
| Authors: | HU Hai-zhi SUN Hui DENG Cheng-zhi CHEN Xi LIU Zhi-hua ZHAN Hui-xing |
| |
| Affiliation: | 1.School of Information Engineering/a>;Nanchang Hangkong University/a>;Nanchang Jiangxi 330063/a>;China/a>;2.Department of Computer Science and Technology/a>;Nanchang Institute of Technology/a>;Nanchang Jiangxi 330099/a>;China |
| |
| Abstract: | According to the deficiency of de-noising algorithm based on the traditional transform domain,this paper proposed an image de-noising algorithm based on Shearlet transform.Firstly,a Shearlet decomposition and reconstruction implementation method was proposed in this paper.And then,the Monte-Carlo method was used to do estimation of the high-frequency coefficients.Finally the shrinkage de-noising would be done according to the threshold function.The experimental results demonstrate that the method can remove... |
| |
| Keywords: | shearlet transform de-noising psnr image processing multi-scale geometric analysis |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《计算机应用》浏览原始摘要信息 |
|
点击此处可从《计算机应用》下载全文 |
