Improvement of On-line Signature Verification Based on Gradient Features. - Yumiko Kawazoe; Wataru Ohyama; Tetsushi Wakabayashi; Fumitaka Kimura (ICFHR, 2010)

Performance Analysis of the Gradient Feature and the Modified Direction Feature for Off-line Signature Verification. - Vu Nguyen 002; Yumiko Kawazoe; Tetsushi Wakabayashi; Umapada Pal 001; Michael Blumenstein (ICFHR, 2010)