ETH - Indoor Positioning & Indoor Navigation


10:15 - 10:45	Thomas Kälin, Lothar Müller (presenting author, at HSR), Michael Rüegg: Evaluating the Behaviour of Museum Visitors using RFID Museums are interested to learn about their visitors: what do they do, where do they go, how long do they stay, where do they spend their time? RFID is used for a cell-based localization of visitors in museums: visitors are carrying RFID tags, reception ranges of the RFID antennas define the localization cells. A set of SW applications allows mapping the floorplan of the museum, record beginning and end of a museum visit, collecting data, and visualizing the data according to the needs of the museum. Visualizations include statistical evaluations (visits per cell/room, time per cell/room) as well as reconstructions of individual paths through the museum. The talk will demonstrate the visualizations using data from two field trials.

10:45 - 11:15	Motoyuki Sato (presenting author at Tohoku University), Ahmed Gaber, Yuya Yokota, Mark Grasmueck, Pierpaolo Marchesini: CCD Camera and IGPS Tracking of Geophysical Sensors for Visualization of Buried Explosive Devices To find small buried explosive materials such as Anti-Personnel (AP) landmines, high-resolution images of the ground surface and shallow subsurface are needed. A key requirement to produce sharp visualizations is centimetre-precise sensor positioning with real-time imaging results. We are pursuing two complementary approaches to accomplish this task: 1) Sensor tracking with a CCD camera, 2) and large work volume Indoor GPS. In outdoor field tests both methods have successfully imaged small landmine targets.

11:15 - 11:30	Jaouhar Jemai at Ubisense: Ultrawideband-based location awareness towards smart industrial applications The localisation technologies have been witnessing a tremendous improvement over the last few years especially in terms of robustness and real time tracking. Moreover, location aware applications have become more required for industrial and research applications. The technology, presented in this paper, uses the standardized ultrawideband (UWB) radio positioning technology between 6.5-8 GHz to determine, based on angle and time difference of arrival information measured from fixed sensors, real time 3D locations of hundreds of tags attached to people, objects and assets to within 15 centimetres of accuracy. This paper presents the principles of the Ubisense ultrawideband localisation technology, describes the requirements for a successful integration into smart spaces and illustrates the smart location aware solutions with concrete examples from the actual application spectrum.

11:30 - 11:45	Julius Tuomisto (presenting author at Laurea University), Jolanta Garlacz, Harald Haslinger, Tarja Ilander: Indoor Positioning Aware Radiation Measurement (IPARM) The IPARM research project was started in order to develop methods for collecting and synchronizing indoor positioning data with radiation measurement data collected by using the portable measurement unit VASIKKA, developed by the Finnish Radiation and Nuclear Safety Authority STUK.

Oral Presentations (Poster Teasers)


11:45 - 11:47	Dorothy Curtis at MIT: Tracking Patients (Poster Teaser) Tracking patients while they are waiting for care at an Emergency Department is important because they may wait a few hours to be seen and their status may deteriorate during that time. Further, caregivers in an Emergency Department can be too busy to monitor these patients. Situations have occurred where a patient was found in a restroom, long after the staff had assumed that the patient left the hospital. The SMART system was developed to monitor these patients. We evaluated several tracking systems for inclusion in SMART for patient and caregiver tracking.

11:47 - 11:49	Stefan Unterthiner (at ITH icoserve technology for healthcare GmbH, presenting author), Wolfgang Rob, Manfred Griesser, Andreas Gereke: Realizing an Emergency Call System on a Real-time Location Application Platform for Healthcare (Poster Teaser) In modern hospitals, opposing forces between cutting costs and demands on service quality, growing workloads versus staff reductions, stimulate the need for systems that automatically support procedures in the background. Intelligent real-time positioning solutions can partially fill the gap. The ProAct® application platform addresses the common needs of Real-time location applications in healthcare. It enables the rapid development of rule-driven, location-based solutions for different problem domains. It is designed for multiple healthcare application areas including patient and staff security, asset management, clinical process analysis and context-sensitive information provision and guidance. This contribution will introduce the real-time location application platform ProAct and how it is used to realize an emergency call system in a psychiatric department.

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