denoising image with DWT

源代码在线查看: gwnoisy2.m

软件大小: 27 K
上传用户: peterzhang1982
关键词: denoising image with DWT
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相关代码

				function Noisyim = GWNoisy2(im,sigma)
				%  GWNoisy2- Addition of a 2D Gaussian White Noise
				%  Usage
				%    Noisyim = GWNoisy2(im,sigma)
				%  Inputs
				%    im        Input simage
				%    sigma   s.d for additive GWN
				%  Outputs
				%    Noisyim    Noisy image
				%
				
				n=length(im);
				Noise=GWN2(n,sigma);
				Noisyim=im+Noise;
				
				% Written by Maureen Clerc and Jerome Kalifa, 1997
				% clerc@cmapx.polytechnique.fr, kalifa@cmapx.polytechnique.fr
				    
				    
				 				 				%				%  Part of Wavelab Version 850				%  Built Tue Jan  3 13:20:39 EST 2006				%  This is Copyrighted Material				%  For Copying permissions see COPYING.m				%  Comments? e-mail wavelab@stat.stanford.edu 							

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