I have to separate canal edge from the background?Can u provide the steps or function like how to code?
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Separate edge from background
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Bshara Murr
2017 年 11 月 26 日
Try this i am not sure if this will help you
I = imread(you image gows here);
[rows, columns, numberOfColorChannels] = size(I);
d = 255 * zeros(rows, columns, 3, 'uint8');
grayImage = rgb2gray(I);
imshow(grayImage);
hFH = imfreehand();
binaryImage = hFH.createMask();
bwimage = grayImage;
bwimage(~binaryImage) = 0;
for i = 1:rows
for j = 1:columns
if bwimage(i,j) ~ 0;
d(i,j,:)=I(i,j,:);
end
end
end
imshow(d);
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Bshara Murr
2017 年 11 月 26 日
I may have created some unwanted or unused variables while trying. Note that you will have to draw the region that you want to keep using the cursor.
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