Character String Extraction by Multi-stage Relaxation. - Hiroyuki Hase; Toshiyuki Shinokawa; Masaaki Yoneda; Mitsuru Sakai; Hiroshi Maruyama (ICDAR, 1997)

A new robust quadratic discriminant function. - Mitsuru Sakai; Masaaki Yoneda; Hiroyuki Hase (ICPR, 1998)

Character String Extraction from a Color Document. - Hiroyuki Hase; Toshiyuki Shinokawa; Masaaki Yoneda; Mitsuru Sakai; Hiroshi Maruyama (ICDAR, 1999)

A quadratic discriminant function based on bias rectification of eigenvalues. - Mitsuru Sakai; Masaaki Yoneda; Hiroyuki Hase; Hiroshi Maruyama; Michiko Naoe (Syst. Comput. Jpn., 2000)

Designing a Web-CAI System Incorporated with MATHEMATICA. - Changqing Ding; Mitsuru Sakai; Hiroyuki Hase; Masaaki Yoneda (IEICE Trans. Inf. Syst., 2005)

The Firing Squad Synchronization Problems for Number Patterns on a Seven-Segment Display and Segment Arrays. - Kazuya Yamashita; Mitsuru Sakai; Sadaki Hirose; Yasuaki Nishitani (IEICE Trans. Inf. Syst., 2010)