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A multiple layer fusion approach on keystroke dynamics

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Abstract

In this paper, we present a novel keystroke dynamic recognition system by means of a novel two-layer fusion approach. First, we extract four types of keystroke latency as the feature from our dataset. The keystroke latency will be transformed into similarity scores via Gaussian Probability Density Function (GPD). We also propose a new technique, known as Direction Similarity Measure (DSM), which measures the absolute difference between two sets of latency. Last, four fusion approaches coupled with six fusion rules are applied to improve the final result by combining the scores that are produced by GPD and DSM. Best result with equal error rate of 1.401% is obtained with our two-layer fusion approach.

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Acknowledgment

This work was supported by the Korea Science and Engineering Foundation (KOSEF) through the Biometrics Engineering Research Center (BERC) at Yonsei University. (Grant Number: R112002105080020 (2009)).

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Authors and Affiliations

  1. Faculty of Information Science and Technology (FIST), Multimedia University, Jalan Ayer Keroh Lama, 75450, Melaka, Malaysia

    Pin Shen Teh, Connie Tee & Thian Song Ong

  2. School of Electrical and Electronic Engineering, College of Engineering, Yonsei University, Seoul, South Korea

    Andrew Beng Jin Teoh

Authors
  1. Pin Shen Teh
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  2. Andrew Beng Jin Teoh
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  3. Connie Tee
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  4. Thian Song Ong
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Correspondence to Andrew Beng Jin Teoh.

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Teh, P.S., Teoh, A.B.J., Tee, C. et al. A multiple layer fusion approach on keystroke dynamics. Pattern Anal Applic 14, 23–36 (2011). https://doi.org/10.1007/s10044-009-0167-9

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  • DOI: https://doi.org/10.1007/s10044-009-0167-9

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