Perceptual Color on Internet Browser. - Seiichiro Hangai; Takayuki Hamamoto; Masato Kawamoto (IEEE International Conference on Multimedia and Expo (I), 2000)

Signature Verification Adapting To Intersession Variability. - Shinji Yamanaka; Masato Kawamoto; Takayuki Hamamoto; Seiichiro Hangai (ICME, 2001)

Improvement of On-line Signature Verification System Robust to Intersession Variability. - Masato Kawamoto; Takayuki Hamamoto; Seiichiro Hangai (Biometric Authentication, 2002)