Hand Gestures Expressing Numbers and Its Application to Personal Identification. - Norifumi Machida; Tetsuji Kobayashi (MVA, 2005)

A Student ID System Using a Cell Phone and Its Evaluation. - Tetsuji Kobayashi; Jaewook Kim; Norifumi Machida (WMTE, 2005)

Identifying Hand Gesture Images by Using Genetic Algorithms. - Tetsuji Kobayashi; Norifumi Machida (MVA, 2007)