Publications

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2003     Back to top

Axel Lankenau, Thomas Röfer, Bernd Krieg-Brückner (2003). Self-Localization in Large-Scale Environments for the Bremen Autonomous Wheelchair. In Christian Freksa, Wilfried Brauer, Christopher Habel, Karl F. Wender (Eds.), Spatial Cognition III, Vol. 2685, pp. 34–61, Lecture Notes in Artificial Intelligence. Springer.

2002     Back to top

	Axel Lankenau, Thomas Röfer (2002). Mobile Robot Self-Localization in Large-Scale Environments. In Proceedings of the IEEE International Conference on Robotics and Automation 2002 (ICRA-2002), pp. 1359–1364. IEEE.
	Thomas Röfer (2002). Using Histogram Correlation to Create Consistent Laser Scan Maps. In Proceedings of the IEEE International Conference on Robotics Systems (IROS-2002), pp. 625–630. EPFL, Lausanne, Switzerland.
	Thomas Röfer, Axel Lankenau (2002). Route-Based Robot Navigation. In Christian Freksa (Ed.). Künstliche Intelligenz - Themenheft Spatial Cognition, pp. 29–31. Fachbereich 1 der Gesellschaft für Informatik e.V., arenDTaP.

2001     Back to top

	Axel Lankenau, Thomas Röfer (2001). Selbstlokalisation in Routengraphen. In Paul Levi, Michael Schanz (Eds.), Autonome Mobile Systeme 2001, pp. 157–163, Informatik aktuell. Springer.
	Axel Lankenau, Thomas Röfer (2001). A Safe and Versatile Mobility Assistant. In Reinventing the Wheelchair. IEEE Robotics and Automation Magazine, Vol. 7, pp. 29–37.
	Thomas Röfer (2001). Konsistente Karten aus Laser Scans. In Paul Levi, Michael Schanz (Eds.), Autonome Mobile Systeme 2001, pp. 171–177, Informatik aktuell. Springer.
	Thomas Röfer (2001). Building Consistent Laser Scan Maps. In Proceedings of the 4th European Workshop on Advanced Mobile Robots (Eurobot 2001), Vol. 86, pp. 83–90. Lund University Cognitive Studies.

2000     Back to top

	Jörg Kollmann, Thomas Röfer (2000). Echtzeitkartenaufbau mit einem 180°-Laser-Entfernungssensor. In Rüdiger Dillmann, Heinz Wörn, Markus von Ehr (Eds.), Autonome Mobile Systeme 2000, pp. 121–128, Informatik aktuell. Springer.
	Axel Lankenau, Thomas Röfer (2000). Rollstuhl "Rolland" unterstützt ältere und behinderte Menschen. In FIfF-Kommunikation. Informationstechnik und Behinderung, No. 2, pp. 48–50. Forum InformatikerInnen für Frieden und gesellschaftliche Verantwortung (FIfF).
	Axel Lankenau, Thomas Röfer (2000). Smart Wheelchairs - State of the Art in an Emerging Market. In Künstliche Intelligenz. Schwerpunkt Autonome Mobile Systeme, No. 4, pp. 37–39. Fachbereich 1 der Gesellschaft für Informatik e.V., arenDTaP.
	Axel Lankenau, Thomas Röfer (2000). The Role of Shared Control in Service Robots - The Bremen Autonomous Wheelchair as an Example. In Thomas Röfer, Axel Lankenau, Reinhard Moratz (Eds.), Service Robotics - Applications and Safety Issues in an Emerging Market. Workshop Notes, pp. 27–31.
	Alexandra Musto, Klaus Stein, Andreas Eisenkolb, Thomas Röfer, Wilfried Brauer, Kerstin Schill (2000). From Motion Observation to Qualitative Motion Representation. In Christian Freksa, Wilfried Brauer, Christopher Habel, Karl F. Wender (Eds.), Spatial Cognition II, Vol. 1849, pp. 115–126, Lecture Notes in Artificial Intelligence. Springer.
	Rolf Müller, Thomas Röfer, Axel Lankenau, Alexandra Musto, Klaus Stein, Andreas Eisenkolb (2000). Coarse Qualitative Descriptions in Robot Navigation. In Christian Freksa, Wilfried Brauer, Christopher Habel, Karl F. Wender (Eds.), Spatial Cognition II, Vol. 1849, pp. 265–276, Lecture Notes in Artificial Intelligence. Springer.
	Thomas Röfer (2000). Route Navigation and Panoramic Image Processing. In Künstliche Intelligenz. Schwerpunkt Autonome Mobile Systeme, No. 1, pp. 62–64. Fachbereich 1 der Gesellschaft für Informatik e.V., arenDTaP.
	Thomas Röfer, Axel Lankenau (2000). Architecture and Applications of the Bremen Autonomous Wheelchair. In Paul P. Wang (Ed.), Information Sciences, Vol. 1-4 (126), pp. 1–20. Elsevier Science BV.
	Thomas Röfer, Axel Lankenau, Reinhard Moratz (Eds.) (2000). Service Robotics - Applications and Safety Issues in an Emerging Market. Workshop Notes. European Conference on Artificial Intelligence 2000 (ECAI-2000).

1999     Back to top

	Alexandra Musto, Klaus Stein, Andreas Eisenkolb, Thomas Röfer (1999). Qualitative and Quantitative Representations of Locomotion and their Application in Robot Navigation. In Proceedings of the 16th International Joint Conference on Artificial Intelligence (IJCAI-99), pp. 1067–1073. Morgan Kaufman Publishers, Inc, San Francisco, CA.
	Thomas Röfer (1999). Route Navigation Using Motion Analysis. In Christian Freksa, David M. Mark (Eds.), Proceedings of the Conference on Spatial Information Theory (COSIT-99), Vol. 1661, pp. 21–36, Lecture Notes in Computer Science. Springer.
	Thomas Röfer (1999). Route Navigation and Panoramic Image Processing. In Ausgezeichnete Informatikdissertationen 1998, pp. 132–141. B. G. Teubner, Stuttgart, Leipzig.
	Thomas Röfer, Axel Lankenau (1999). Ensuring Safe Obstacle Avoidance in a Shared-Control System. In Josep M. Fuertes (Ed.), Proceedings of the 7th International Conference on Emergent Technologies and Factory Automation (ETFA-99), pp. 1405–1414.
	Thomas Röfer, Axel Lankenau (1999). Ein Fahrassistent für ältere und behinderte Menschen. In Günther Schmidt, Uwe Hanebeck, Franz Freyberger (Eds.), Autonome Mobile Systeme 1999, pp. 334–343, Informatik aktuell. Springer.

1998     Back to top

	Bernd Krieg-Brückner, Thomas Röfer, Hans-Otto Carmesin, Rolf Müller (1998). A Taxonomy of Spatial Knowledge for Navigation and its Application to the Bremen Autonomous Wheelchair. In Christian Freksa, Christopher Habel, Karl F. Wender (Eds.), Spatial Cognition, Vol. 1404, pp. 373–397, Lecture Notes in Artificial Intelligence. Springer.
	Axel Lankenau, Thomas Röfer (1998). Architecture of the Bremen Autonomous Wheelchair. In Bernd Hildebrand, Reinhard Moratz, Christian Scheering (Eds.), Architectures in Cognitive Robotics. Technical Report, No. 98/13, pp. 19–24. SFB 360 "Situierte Künstliche Kommunikatoren". Universität Bielefeld.
	Thomas Röfer (1998). Strategies for Using a Simulation in the Development of the Bremen Autonomous Wheelchair. In Richard Zobel, Dietmar Moeller (Eds.), Simulation-Past, Present and Future, pp. 460–464. Society for Computer Simulation International.
	Thomas Röfer (1998). Panoramic Image Processing and Route Navigation. No. 7, BISS Monographs. Shaker-Verlag.
	Thomas Röfer (1998). Routenbeschreibung durch Odometrie-Scans. In Heinz Wörn, Rüdiger Dillmann, Dominik Henrich (Eds.), Autonome Mobile Systeme 1998, pp. 122–129, Informatik aktuell. Springer.
	Thomas Röfer, Axel Lankenau (1998). Architecture and Applications of the Bremen Autonomous Wheelchair. In Paul P. Wang (Ed.), Proceedings of the 4th Joint Conference on Information Systems, Vol. 1, pp. 365–368. Association for Intelligent Machinery.
	Thomas Röfer, Rolf Müller (1998). Navigation and Routemark Detection of the Bremen Autonomous Wheelchair. In Tim Lüth, Rüdiger Dillmann, Paolo Dario, Heinz Wörn (Eds.), Distributed Autonomous Robotics Systems, pp. 183–192. Springer.

1997     Back to top

	Jörg Kollmann, Axel Lankenau, Andreas Bühlmeier, Bernd Krieg-Brückner, Thomas Röfer (1997). Navigation of a Kinematically Restricted Wheelchair by the Parti-Game Algorithm. In Spatial Reasoning in Mobile Robots and Animals, AISB-97 Workshop, pp. 35–44. Manchester University.
	Thomas Röfer (1997). Routemark-Based Navigation of a Wheelchair. In Proceedings of the 3rd ECPD International Conference on Advanced Robotics, Intelligent Automation and Active Systems, pp. 333–338.
	Thomas Röfer (1997). Controlling a Wheelchair with Image-based Homing. In Spatial Reasoning in Mobile Robots and Animals, AISB-97 Workshop, pp. 66–75. Manchester University.
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