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Online personal risk detection based on behavioural and physiological patterns

Barrera-Animas, Ari Yair; Trejo, Luis A.; Medina-Pérez, Miguel Angel; Monroy, Raúl; Camiña, J. Benito; Godínez, Fernando

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Authors

Ari Yair Barrera-Animas

Luis A. Trejo

Miguel Angel Medina-Pérez

Raúl Monroy

J. Benito Camiña

Fernando Godínez



Abstract

We define personal risk detection as the timely identification of when someone is in the midst of a dangerous situation, for example, a health crisis or a car accident, events that may jeopardize a person’s physical integrity. We work under the hypothesis that a risk-prone situation produces sudden and significant deviations in standard physiological and behavioural user patterns. These changes can be captured by a group of sensors, such as the accelerometer, gyroscope, and heart rate. We introduce a dataset, called PRIDE, which provides a baseline for the development and the fair comparison of personal risk detection mechanisms. PRIDE contains information on 18 test subjects; for each subject, it includes partial information about the user’s behavioural and physiological patterns, as captured by Microsoft Band©. PRIDE test subject records include sensor readings of not only when a subject is carrying out ordinary daily life activities, but also when exposed to a stressful scenario, thereby simulating a dangerous or abnormal situation. We show how to use PRIDE to develop a personal risk detection mechanism; to accomplish this, we have tackled risk detection as a one-class classification problem. We have trained several classifiers based only on the daily behaviour of test subjects. Further, we tested the accuracy of the classifiers to detect anomalies that were not included in the training process of the classifiers. We used a number of one-class classifiers, namely: SVM, Parzen, and two versions of Parzen based on k-means. While there is still room for improvement, our results are encouraging: they support our hypothesis that abnormal behaviour can be automatically detected.

Citation

Barrera-Animas, A. Y., Trejo, L. A., Medina-Pérez, M. A., Monroy, R., Camiña, J. B., & Godínez, F. (2017). Online personal risk detection based on behavioural and physiological patterns. Information Sciences, 384, 281-297. https://doi.org/10.1016/j.ins.2016.08.006

Journal Article Type Article
Acceptance Date Aug 3, 2016
Online Publication Date Aug 3, 2016
Publication Date Apr 1, 2017
Deposit Date Feb 18, 2020
Journal Information Sciences
Print ISSN 0020-0255
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 384
Pages 281-297
DOI https://doi.org/10.1016/j.ins.2016.08.006
Keywords Pattern recognition, Physiological patterns, Behavioural patterns, Personal risk detection, Anomaly detection, One-class classification
Public URL https://uwe-repository.worktribe.com/output/5130065
Additional Information This article is maintained by: Elsevier; Article Title: Online personal risk detection based on behavioural and physiological patterns; Journal Title: Information Sciences; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.ins.2016.08.006; Content Type: article; Copyright: © 2016 The Authors. Published by Elsevier Inc.

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