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Marker-free indoor localization and tracking of multiple users in smart environments using a camera-based approach

: Braun, Andreas; Dutz, Tim; Alekseew, Michael; Schillinger, Philipp; Marinc, Alexander


Streitz, Norbert (Ed.):
Distributed, ambient, and pervasive interactions. First international conference, DAPI 2013 : Held as part of HCI International 2013, Las Vegas, NV, USA, July 21-26, 2013; proceedings
Berlin: Springer, 2013 (Lecture Notes in Computer Science 8028)
ISBN: 978-3-642-39350-1 (Print)
ISBN: 3-642-39350-0
ISBN: 978-3-642-39351-8 (Online)
International Conference on Human-Computer Interaction (HCI International) <15, 2013, Las Vegas/Nev.>
International Conference on Distributed, Ambient and Pervasive Interactions (DAPI) <1, 2013, Las Vegas/Nev.>
Conference Paper
Fraunhofer IGD ()
computer vision; indoor localization systems; ubiquitous computing

In recent years, various indoor tracking and localization approaches for usage in conjunction with Pervasive Computing systems have been proposed. In a nutshell, three categories of localization methods can be identified, namely active marker-based solutions, passive marker-based solutions, and marker-free solutions. Both active and passive marker-based solutions require a person to carry some type of tagging item in order to function, which, for a multitude of reasons, makes them less favorable than marker-free solutions, which are capable of localizing persons without additional accessories. In this work, we present a marker-free, camera-based approach for use in typical indoor environments that has been designed for reliability and cost-effectiveness. We were able to successfully evaluate the system with two persons and initial tests promise the potential to increase the number of users that can be simultaneously tracked even further.