图像处理matlab函数膨胀腐蚀开闭运算

图像处理matlab函数膨胀腐蚀开闭运算 img_gray=imread('rice.png'); img_erzhi=imread('testpat1.png'); imshow(img_gray) figure,imshow(img_erzhi) [m n]=size(img_gray); img_gray_fu=zeros(m,n); img_gray_peng=zeros(m,n); img_erzhi_fu=zeros(m,n); img_erzhi_peng=zeros(m,n); for i=2:m-1 for j=2:n-1 img_gray_fu(i,j)=min(min(img_gray(i-1:i+1,j-1:j+1))); img_gray_peng(i,j)=max(max(img_gray(i-1:i+1,j-1:j+1))); end end figure,imshow(uint8(img_gray_fu)); figure,imshow(uint8(img_gray_peng)); for i=2:m-1 for j=2:n-1 img_erzhi_fu(i,j)=min(min(img_erzhi(i-1:i+1,j-1:j+1))); img_erzhi_peng(i,j)=max(max(img_erzhi(i-1:i+1,j-1:j+1))); end end figure,imshow(uint8(img_erzhi_fu)); figure,imshow(uint8(img_erzhi_peng)); I=imread('testpat1.png'); J=im2bw(I); SE=strel('square',10); A=imopen(J,SE); figure,imshow(A); I=imread('testpat1.png'); J=im2bw(I); SE=strel('square',10); A=imclose(J,SE); figure,imshow(A);