zishiyinglvbo.zip_matlab wiener_wiener2 matlab_wiener2函数参数_wiene

clear all; RGB=imread('1.gif'); subplot(131);imshow(RGB); title('原始图像'); I=rgb2gray(RGB); J=imnoise(I,'gaussian',0,0.025); subplot(132);imshow(J); title('带高斯噪声的图像'); K=wiener2(J,[5 5]); subplot(133);imshow(K); title('自适应滤波');