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aHead: Considering the head position in a multi-sensory setup of wearables to recognize everyday activities with intelligent sensor fusions

: Haescher, Marian; Trimpop, John; Matthies, Denys J.C.; Bieber, Gerald; Urban, Bodo; Kirste, Thomas


Kurosu, M.:
Human-computer interaction. 17th international conference, HCI International 2015. Pt.2: Interaction technologies : Los Angeles, CA, USA, August 2 - 7, 2015; Proceedings
Cham: Springer International Publishing, 2015 (Lecture Notes in Computer Science 9170)
ISBN: 978-3-319-20915-9 (Print)
ISBN: 978-3-319-20916-6 (Online)
International Conference on Human-Computer Interaction (HCI International) <17, 2015, Los Angeles/Calif.>
Fraunhofer IGD, Institutsteil Rostock ()
Fraunhofer IGD ()
Business Field: Digital society; Research Area: Human computer interaction (HCI); Human-computer interaction (HCI); pattern recognition; wearable computing; mobile assistance; activity recognition

In this paper we examine the feasibility of Human Activity Recognition (HAR) based on head mounted sensors, both as stand-alone sensors and as part of a wearable multi-sensory network. To prove the feasibility of such setting, an interactive online HAR-system has been implemented to enable for multi-sensory activity recognition while making use of a hierarchical sensor fusion. Our system incorporates 3 sensor positions distributed over the body, which are head (smart glasses), wrist (smartwatch), and hip (smartphone). We are able to reliably distinguish 7 daily activities, which are: resting, being active, walking, running, jumping, cycling and office work. The results of our field study with 14 participants clearly indicate that the head position is applicable for HAR. Moreover, we demonstrate an intelligent multi-sensory fusion concept that increases the recognition performance up to 86.13% (recall). Furthermore, we found the head to possess very distinctive movement patterns regarding activities of daily living.