NDLI: Mitigating Behavioral Variability for Mouse Dynamics: A Dimensionality-Reduction-Based Approach

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Mitigating Behavioral Variability for Mouse Dynamics: A Dimensionality-Reduction-Based Approach

Content Provider	IEEE Xplore Digital Library
Author	Zhongmin Cai Chao Shen Xiaohong Guan
Copyright Year	2013
Abstract	Mouse dynamics is the process of identifying individual users on the basis of their mouse operating behaviors. Mouse dynamics analysis techniques do not provide an acceptable level of accuracy, perhaps due to behavioral variability. This study presents a dimensionality-reduction-based approach to mitigate the behavioral variability of mouse dynamics and improve the performance of mouse-dynamics-based continuous authentication. Variability was measured over the schematic features and motor-skill features extracted from each mouse behavior data session. A unified framework of employing dimensionality reduction methods (Multidimensional Scaling, Laplacian Eigenmap, Isometric Feature Mapping, and Local Linear Embedding) was developed to reduce behavioral variability by obtaining predominant characteristics from the original feature space. Classification techniques (Random Forest, Support Vector Machine, Neural Network, and Nearest Neighbor) were applied to the transformed feature space to perform the authentication task. Analyses were conducted using data from 840 half-hour sessions of 28 participants. Results indicated that for sufficiently long sequences, the transformed feature spaces had much less variability and the corresponding authentication performance was better than the original feature space with improvements of the false-acceptance rate by 89.6% and of the false-rejection rate by 77.4% in some cases. Additionally, an investigation of the relationships between variability and authentication error rates and detection time indicated that the variability and authentication error rates reduce greatly with the increase of detection time. For the data collected, the approach fared better than the state-of-the-art approaches. These findings suggest that variability reduction could improve mouse dynamics, so it may enhance current authentication mechanisms.
Starting Page	244
Ending Page	255
Page Count	12
File Size	1897572
File Format	PDF
ISSN	21682291
Volume Number	44
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mice Authentication Feature extraction Biometrics (access control) Eigenvalues and eigenfunctions Data collection Training mouse dynamics Behavioral variability continuous authentication dimensionality reduction
Content Type	Text
Resource Type	Article
Subject	Artificial Intelligence Signal Processing Human Factors and Ergonomics Control and Systems Engineering Computer Networks and Communications Human-Computer Interaction Computer Science Applications

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