Ran Gal Ariel Shamir Daniel Cohen-Or Pose-Oblivious Shape Signature. 261-271 2007 13 IEEE Trans. Vis. Comput. Graph. 2 http://doi.ieeecomputersociety.org/10.1109/TVCG.2007.45 db/journals/tvcg/tvcg13.html#GalSC07