| 摘要: | 
			 
		     | 本文研究了信号处理中图像去噪的问题. 利用小波变换理论提出了一种基于Canny 算子边缘检测的小波阈值去噪方法, 实验结果表明, 该方法在有效去除噪声的同时能够更好地保留图像的边缘. | 
			
	         
				| 关键词:  图像去噪  小波变换  Canny 算子  边缘检测 | 
			 
                | DOI: | 
            
                | 分类号:O29 | 
			 
             
                | 基金项目:湖北省教育厅科学技术研究项目基金资助(B20111909). | 
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                | WAVELET THRESHOLD DENOISING METHOD BASED ON CANNY OPERATOR EDGE DETECTION | 
           
			
                | SUN Kang-tai, YI Xu-ming, FANG Zhuang | 
           
		   
		   
                | School of Mathematics and Statistics, Wuhan University, Wuhan 430027, China | 
		   
             
                | Abstract: | 
			
                | In this paper, we investigate image denoising in signal processing. This paper presents a Canny operator edge detection by wavelet thresholding approache based on wavelet transforms. The experimental results show that this approache can keep image's edges from damaging. | 
	       
                | Key words:  image denoising  wavelet transform  Canny operator  edge detection |