Kris Demarsin Denis Vanderstraeten Tim Volodine Dirk Roose Detection of Closed Sharp Feature Lines in Point Clouds for Reverse Engineering Applications. 571-577 2006 conf/gmp/2006 GMP http://dx.doi.org/10.1007/11802914_42 db/conf/gmp/gmp2006.html#DemarsinVVR06