Writer Identification Using Finger-Bend in Writing Signature. - Seiichiro Hangai; Takeshi Higuchi (ECCV Workshop BioAW, 2004)

Personal feature extraction via grip force sensors mounted on a mobile phone: authenticating the user during key-operation. - Toshiki Iso; Tsutomu Horikoshi; Masakatsu Tsukamoto; Takeshi Higuchi (MUM, 2012)