A spelling correction method and its application to an OCR system. - Hiroyasu Takahashi; Nobuyasu Itoh; Tomio Amano; Akio Yamashita (Pattern Recognit., 1990)

Neural network architectures for rotated character recognition. - Hiroyasu Takahashi (ICPR (2), 1992)

DRS: A Workstation-Based Document Recognition System for Text Entry. - Tomio Amano; Akio Yamashita; Nobuyasu Itoh; Yoshinao Kobayashi; Shin Katoh; Kazuharu Toyokawa; Hiroyasu Takahashi (Computer, 1992)

A clustering method and radius tuning by end users. - Hiroyasu Takahashi; K. Moidin Mohiuddin (ICDAR, 1995)