On the Use of First and Second Derivative Approximations for Biometric Online Signature Recognition
ADVANCES IN COMPUTATIONAL INTELLIGENCE, IWANN 2023, PT I(2023)
摘要
This paper investigates the impact of different approximation methods in feature extraction for pattern recognition applications, specifically focused on delta and delta-delta parameters. Using MCYT330 online signature database, our experiments show that 11-point approximation outperforms 1-point approximation, resulting in a 1.4% improvement in identification rate, 36.8% reduction in random forgeries and 2.4% reduction in skilled forgeries.
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关键词
online handwriting,e-security,dynamic time warping,derivatives
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