Outdistance procrustéenne

The distance procrustéenne is a means of measurement of two images represented by a whole of points of interests described in Coordonnées of Bookstein. It is used within the framework of the Morphométrie. The distance D between two s₁ objects and s₂ composed of N points is given by:

$d\; (s\_1,\; s\_2)\; =arccos\; ((\backslash \; left|\; \{\backslash \; sum\_\; \{k=1\}\; ^\; \{N\}\; \{z\_\; \{1k\}\; z^\_\; \{2k\}\}\}\; \backslash \; right|\; ))\backslash ,$.

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