Novel and improved methods of regular geometric shape recognition from digital image using artificial ants. - Ayan Acharya; Kaushik Chattopadhyay; Aritra Banerjee; Amit Konar (Int. J. Intell. Def. Support Syst., 2008)

An efficient circle detection scheme in digital images using ant system algorithm - Kaushik Chattopadhyay; Joydeep Basu; Amit Konar (CoRR, 2011)