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how to use square filter with value 4 for erode function

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GEETHA KULALA
GEETHA KULALA 2016-3-14
回答： Image Analyst 2016-3-14
f=imread('gee.jpg');
se=strel('train',4);
k=imerode(f,se);
imshow(k);

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Image Analyst
Image Analyst 2016-3-14
'train' is not one of the options. Not sure what you want, but maybe you want to consider the 4 closest neighbors
grayImage = imread('gee.jpg');
se = [0,1,0; 1,0,1; 0,1,0];
erodedImage = imerode(grayImage , se);
imshow(erodedImage);

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