(a) External mean shape computed over all the species, Algorithm 2 step 1
(b) Computation of the Delaunay triangulation on the mean contour of the temporary shapes for the first species, Algorithm 2 step 4. The points represent the internal points of the first species
(c) Computation of the position of internal feature points of the first species in the Unified mean shape, Algorithm 2 step 5
(d) First species frame, Algorithm 2 step 9. The points represent internal points of the first species in the Unified Mean shape. It corresponds to the first species frame
(e) The points represent internal points of the first species in the second species frame, Algorithm 2 step 17
(f) The points represent internal points of the first species in a shape of the second species, Algorithm 2 step 19