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- Title
Activity-Free User Identification Using Wearables Based on Vision Techniques.
- Authors
Sanchez Guinea, Alejandro; Heinrich, Simon; Mühlhäuser, Max
- Abstract
In order to achieve the promise of smart spaces where the environment acts to fulfill the needs of users in an unobtrusive and personalized manner, it is necessary to provide means for a seamless and continuous identification of users to know who indeed is interacting with the system and to whom the smart services are to be provided. In this paper, we propose a new approach capable of performing activity-free identification of users based on hand and arm motion patterns obtained from an wrist-worn inertial measurement unit (IMU). Our approach is not constrained to particular types of movements, gestures, or activities, thus, allowing users to perform freely and unconstrained their daily routine while the user identification takes place. We evaluate our approach based on IMU data collected from 23 people performing their daily routines unconstrained. Our results indicate that our approach is able to perform activity-free user identification with an accuracy of 0.9485 for 23 users without requiring any direct input or specific action from users. Furthermore, our evaluation provides evidence regarding the robustness of our approach in various different configurations.
- Subjects
COMPUTER user identification; UNITS of measurement; IMAGE representation; WEARABLE technology
- Publication
Sensors (14248220), 2022, Vol 22, Issue 19, p7368
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s22197368