Hiroyuki SAKAMOTO


Threshold Equalization for On-Line Signature Verification
Isao NAKANISHI Hiroyuki SAKAMOTO Yoshio ITOH Yutaka FUKUI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/08/01
Vol. E91-A  No. 8  pp. 2244-2247
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
Keyword: 
on-line signature verificationscore level fusionthreshold equalizationmulti-matcherDWT
 Summary | Full Text:PDF(253.5KB)

DWT Domain On-Line Signature Verification Using the Pen-Movement Vector
Isao NAKANISHI Hiroyuki SAKAMOTO Naoto NISHIGUCHI Yoshio ITOH Yutaka FUKUI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/04/01
Vol. E89-A  No. 4  pp. 1129-1131
Type of Manuscript:  LETTER
Category: Information Security
Keyword: 
on-line signature verificationDWTpen-movement vectorcomputational complexity
 Summary | Full Text:PDF(94.1KB)

Multi-Matcher On-Line Signature Verification System in DWT Domain
Isao NAKANISHI Hiroyuki SAKAMOTO Naoto NISHIGUCHI Yoshio ITOH Yutaka FUKUI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/01/01
Vol. E89-A  No. 1  pp. 178-185
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Information Hiding
Keyword: 
on-line signature verificationDWTmulti-matcherpen-positionpen-movement angle
 Summary | Full Text:PDF(643KB)