Reconstruction of Spheres using Occluding Contours from Stereo Images. - Sudanthi N. R. Wijewickrema; Andrew P. Paplinski; Charles E. Esson (ICPR (1), 2006)

A Novel Approach to Orthogonal Distance Least Squares Fitting of General Conics. - Sudanthi N. R. Wijewickrema; Charles E. Esson; Andrew P. Paplinski (VISAPP (1), 2009)

Orthogonal Distance Least Squares Fitting: A Novel Approach. - Sudanthi N. R. Wijewickrema; Charles E. Esson; Andrew P. Paplinski (VISIGRAPP (Selected Papers), 2009)