Optical Digit Recognition for Images of Handwritten Historical Documents. - Adriano L. I. Oliveira; Carlos A. B. Mello; E. R. Silva Jr.; V. M. O. Alves (SBRN, 2006)

Handwritten Digit Segmentation in Images of Historical Documents with One-Class Classifiers. - V. M. O. Alves; Adriano L. I. Oliveira; E. R. Silva Jr.; Carlos A. B. Mello (ICTAI (2), 2008)