K. Nakashima

Handwritten digit recognition using state-of-the-art techniques

Hiroshi Sako, Cheng-Lin Liu, Hiromichi Fujisawa, 2002, Proceedings Eighth International Workshop on Frontiers in Handwriting Recognition.

Handwritten digit recognition: investigation of normalization and feature extraction techniques

Hiroshi Sako, Cheng-Lin Liu, Hiromichi Fujisawa, 2004, Pattern Recognit..