How to get bilateral symmetry axis?

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Diah
Diah am 3 Dez. 2012
I have an image, and I have extracted the region of interest (ROI). This ROI have bilateral symmetry shape. How can I get the bilateral symmetry axis for it?

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Matt J
Matt J am 12 Dez. 2012
Bearbeitet: Matt J am 12 Dez. 2012
Maybe as follows.
fa=@(X) norm(X(:) - reshape(flipud(X),[],1) );
fb=@(theta) fa(imrotate(TheROI,-theta));
AngleOfAxis = fminsearch(fb,0)

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