create a perfectly symmetric version of landmarks
k x m matrix with rows containing landmark coordinates
A X x 2 matrix containing the indices (rownumbers) of the paired LM. E.g. the left column contains the lefthand landmarks, while the right side contains the corresponding right hand landmarks.
the landmarks are reflected and relabled according to
pairedLM and then rotated and translated onto
Both configurations are then averaged to obtain a perfectly symmetric one.
a symmetrized version of
Klingenberg CP, Barluenga M, and Meyer A. 2002. Shape analysis of symmetric structures: quantifying variation among individuals and asymmetry. Evolution 56(10):1909-1920.
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