Title

Activity recognition using wearable computing

Document Type

Conference Proceeding

Publisher

IEEE

School

Security Research Institute

RAS ID

23151

Comments

Originally published as: Al-Naffakh, N., Clarke, N., Dowland, P., & Li, F. (2016). Activity Recognition using wearable computing. In Internet Technology and Secured Transactions (ICITST), 2016 11th International Conference for (pp. 189-195). IEEE. Original available here

Abstract

A secure, user-convenient approach to authenticate users on their mobile devices is required as current approaches (e.g., PIN or Password) suffer from security and usability issues. Transparent Authentication Systems (TAS) have been introduced to improve the level of security as well as offer continuous and unobtrusive authentication (i.e., user friendly) by using various behavioural biometric techniques. This paper presents the usefulness of using smartwatch motion sensors (i.e., accelerometer and gyroscope) to perform Activity Recognition for the use within a TAS. Whilst previous research in TAS has focused upon its application in computers and mobile devices, little attention is given to the use of wearable devices - which tend to be sensor-rich highly personal technologies. This paper presents a thorough analysis of the current state of the art in transparent and continuous authentication using acceleration and gyroscope sensors and a technology evaluation to determine the basis for such an approach. The best results are average Euclidean distance scores of 5.5 and 11.9 for users' intra acceleration and gyroscope signals respectively and 24.27 and 101.18 for users' inter acceleration and gyroscope activities accordingly. The findings demonstrate that the technology is sufficiently capable and the nature of the signals captured sufficiently discriminative to be useful in performing Activity Recognition.

DOI

10.1109/ICITST.2016.7856695

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