Abstract
In signature verification using on-line hand written data, we have shown that the pen inclination data improves the verification rate[1]. For the data of 9 weeks, we applied some reference renewal method to reduce the influence of intersession variability and obtained some improvement[2]. In this paper, we propose a threshold adaptation method, in which a reference renewal using the matching error of last five authenticated data is done. And, we show that the proposed method is effective to maintain verification rate with 91.2% using genuine and forgery signatures over 9 weeks.
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References
S. Hangai, S. Yamanaka and T. Hamamoto, ‘On-Line Signature Verification Based On Altitude and Direction of Pen Movement’, IEEE ICME2000, Aug. 2000.
S. Yamanaka, Masato Kawamoto, T. Hamamoto, and S. Hangai, ‘Signature Verification Adapting to Intersession Variability’, IEEE ICME2001, Aug. 2001.
Cyber-Sign, http://www.cybersign.com/
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Nalwa, V.S., ‘Automatic On-Line Signature Verification’, Proceedings of the IEEE, Vol. 85, No. 2, Feb. 1997, pp. 215–239.
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© 2002 Springer-Verlag Berlin Heidelberg
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Kawamoto, M., Hamamoto, T., Hangai, S. (2002). Improvement of On-line Signature Verification System Robust to Intersession Variability. In: Tistarelli, M., Bigun, J., Jain, A.K. (eds) Biometric Authentication. BioAW 2002. Lecture Notes in Computer Science, vol 2359. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-47917-1_17
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DOI: https://doi.org/10.1007/3-540-47917-1_17
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