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Help me understand this code
a = imread('circles.png'); x=[ 1 -2 1]; y=[ 1; -2; 1]; gx=filter2(x,a); gy=filter2(y,a); g=sqrt(gx.^2 + gy.^2); [r c]= bwl...
10 years 前 | 2 个回答 | 0
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Find a submatrix in a matrix
How can I find a sub matrix in a larger one. We learned how to extract objects from an image using filter2 and bwlabel. But I ...
10 years 前 | 1 个回答 | 0
