Guillaume Dewaele Frederic Devernay Radu Horaud Hand Motion from 3D Point Trajectories and a Smooth Surface Model. 495-507 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3021&spage=495 2004 conf/eccv/2004-1 ECCV (1) db/conf/eccv/eccv2004-1.html#DewaeleDH04