W. Narkbuakaew Chuchart Pintavirooj Withawat Withayachumnankul Manas Sangworasil S. Taertulakarn 3D Modeling from Multiple Projections: Parallel-Beam to Helical Cone-Beam Trajectory. 137-140 2005 WSCG (Short Papers) db/conf/wscg/wscg2005.html#NarkbuakaewPWST05