Ray Casting Deformable Models on the GPU by Suryakanth Patidar, P J Narayanan in Proc. of the IEEE Sixth Indian Conference on Computer Vision, Graphics and Image Processing (ICVGIP 2008),pp. 481-488,Dec 16-19 2008, Bhubaneswar, India. Report No: IIIT/TR/2009/13 Centre for Visual Information Technology International Institute of Information Technology Hyderabad - 500 032, INDIA January 2009