Automated form processing system based on Sobel operator. - Miran Karic; Goran Martinovic; Zeljko Hocenski (MIPRO, 2011)

Improving Offline Handwritten Digit Recognition Using Concavity-Based Features. - Miran Karic; Goran Martinovic (Int. J. Comput. Commun. Control, 2013)