olemus
omavektornäo kolmemõõtmeline variant,
arvestab ka pea kuju
=
a set of eigenvectors used in visual recognition systems to represent a person's head, a 3D variant of eigenface

näiteid
https://dash.harvard.edu/bitstream/handle/1/4138674/Lee_Finding.pdf

https://link.springer.com/chapter/10.1007%2F11612704_43