Image Denoising Study on Nonlocal-Means Filter

被引：0

作者：

Deng Shi-wo ^{[1
]}

Jin Ling-yu ^{[1
]}

Xu Xiong-qiang ^{[1
]}

Ma Wei-bin ^{[1
]}

机构：

[1] South China Agr Univ, Dept Math, Guangzhou, Guangdong, Peoples R China

来源：

PROCEEDINGS OF 2012 INTERNATIONAL CONFERENCE ON IMAGE ANALYSIS AND SIGNAL PROCESSING | 2012年

关键词：

Nonlocal Means Filter; P-M equation; Nonlocal PM model; Gaussian noise distribution;

D O I：

暂无

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：

In this paper, we present a new model-Nonlocal PM Model after combining the Nonlocal Means (NLM) filter and the PM-equation model. The decay parameter h acts as a filtering parameter and the standard deviation alpha of Gaussian kernel G(alpha)(.); both are very important parameters in the Nonlocal Means Filter, and the gradient modulus threshold k that controls the conduction are obtained by setting the maximum of the peak signal-to-noise ratio (PSNR in db) as the goal in the numerical experiment of the Nonlocal PM Model. The experimental results show the new method has better performance in image denoising.

引用

页码：84 / 87

页数：4

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