A fresh look at the Hough transform. - R. C. Agrawal; R. K. Shevgaonkar; S. C. Sahasrabudhe (Pattern Recognit. Lett., 1996)

Preservation of Topological Properties of a Simple Closed Curve under Digitalization. - R. C. Agrawal; S. C. Sahasrabudhe; R. K. Shevgaonkar (Comput. Vis. Image Underst., 1997)