rank order filter effects on image

Fri Mar 25, 2011 8:16 pm

Following example show rank order filter effects on image , it show erosion and dilation effect . The value of the order is the key .

Code:: %% create a new figure to show the image . A = imread('snowflakes.png'); figure(1); %% show the loaded image. imshow(A); %% dilation affect. B = ordfilt2(A,25,true(5)); figure(2),imshow(B) %% erosion affect. B = ordfilt2(A,1,true(5)); figure(3),imshow(B)

Attachments