《数字图像处理》——维纳滤波

维纳滤波又称为最小均方误差滤波，由N.Wiener[1942]首次提出：维纳滤波简单实现：function f_Wn=wienerfilter(f,H,K)if nargin==2 K=0.1;endf = im2double(f);[M, N] = size(f);F = fft2(f);Fc = fftshift(F);H_Wn = zeros(M,N);H_Wn = ((abs(H).^2)./((abs(H).^2)+K)).*(1./H);F_Wn =..