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18593 A study on automatic recognition of object use exploiting motion correlation of wireless sensors
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Bosch, S. and Marin-Perianu, R.S. and Havinga, P.J.M. and Horst, A.P. and Marin-Perianu, M. and Vasilescu, A. (2012) A study on automatic recognition of object use exploiting motion correlation of wireless sensors. Personal and Ubiquitous Computing, 16 (7). pp. 875-895. ISSN 1617-4909 *** ISI Impact 1,498 ***

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An essential component in the ubiquitous computing vision is the ability of detecting with which objects the user is interacting during his or her activities. We explore in this paper a solution to this problem based on wireless motion and orientation sensors (accelerometer and compass) worn by the user and attached to objects. We evaluate the performance in realistic conditions, characterized by limited hardware resources, measurement noise due to motion artifacts and unreliable wireless communication. We describe the complete solution, from the theoretical design, going through simulation and tuning, to the full implementation and testing on wireless sensor nodes. The implementation on sensor nodes is lightweight, with low communication bandwidth and processing needs. Compared to existing work, our approach achieves better performance (higher detection accuracy and faster response times), while being much more computationally efficient. The potential of the concept is further illustrated by means of an interactive multi-user game. We also provide a thorough discussion of the advantages, limitations and trade-offs of the proposed solution.

Item Type:Article
Research Group:EWI-PS: Pervasive Systems
Research Program:CTIT-WiSe: Wireless and Sensor Systems
Research Project:IS-ACTIVE: Inertial Sensing Systems for Advanced Chronic Condition Monitoring and Risk Prevention, SENIOR: SENsing systems for Interactive hOme-based healthcare and Rehabilitation
Uncontrolled Keywords:Accelerometer, Compass Sensor, Magnetometer, Movement Correlation, Interaction with Objects, Smart Objects
ID Code:18593
Deposited On:29 November 2011
ISI Impact Factor:1,498
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