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Author (up) Michael Morin; Irène Abi-Zeid; Thanh Tung Nguyen; Luc Lamontagne; Patrick Maupin
Title Search and surveillance in emergency situations – A gis-based approach to construct optimal visibility graphs Type Conference Article
Year 2013 Publication ISCRAM 2013 Conference Proceedings – 10th International Conference on Information Systems for Crisis Response and Management Abbreviated Journal ISCRAM 2013
Volume Issue Pages 452-457
Keywords Computational geometry; Information systems; Integer programming; Space surveillance; Emergency situation; Gis-based; Integer Linear Programming; Maximum coverage; Search and rescue; Set cover; Terrain data; Visibility graphs; Geographic information systems
Abstract We present a methodology to construct optimal visibility graphs from vector and raster terrain data based on the integration of Geographic Information Systems, computational geometry, and integer linear programming. In an emergency situation, the ability to observe an environment, completely or partially, is crucial when searching an area for survivors, missing persons, intruders or anomalies. We first analyze inter-visibility using computational geometry and GIS functions. Then, we optimize the visibility graphs by choosing vertices in a way to either maximize coverage with a given number of watchers or to minimize the number of watchers needed for full coverage.
Address Department of Computer Science and Software Engineering, Université Laval, Québec, QC, Canada; Department of Operations and Decision Systems, Université Laval, Québec, QC, Canada; Defence Research and Development Canada, Valcartier, QC, Canada
Corporate Author Thesis
Publisher Karlsruher Institut fur Technologie Place of Publication KIT; Baden-Baden Editor T. Comes, F. Fiedrich, S. Fortier, J. Geldermann and T. Müller
Language English Summary Language English Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2411-3387 ISBN 9783923704804 Medium
Track Emergency Management Information Systems Expedition Conference 10th International ISCRAM Conference on Information Systems for Crisis Response and Management
Notes Approved no
Call Number Serial 786
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