how can i detect edges
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i am trying to find the edges on my image using this code
I = imread('image.tif');
imshow(I)
BW1 = edge(I, 'Canny');
BW2 = edge(I, 'Prewitt');
imshowpair(BW1, BW2, 'montage')
but i get the following error
Execution of script edge as a function is not supported:
/Users/betty/Documents/MATLAB/edge.m
Error in edge (line 3)
BW1 = edge(I, 'Canny');
please help
回答（1 个）
You have some script labeled 'edge.m' that's overloading the function you're trying to use. Use unique names for files and variables so that doesn't happen.
which edge -all
Will list all instances of edge.m on the path. Rename the one that's causing the conflict (the one in the error message), or remove it from the path.
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2021-7-8
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