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Environment Modeling for Cooperative Aerial/Ground Robotic Systems
2009 (English)In: Proceedings of the 14th International Symposium on Robotics Research (ISRR), Springer, 2009, 681-696Konferensbidrag (Refereed)
Abstract [en]

This paper addresses the cooperative localization and visual mapping problem for multiple aerial and ground robots.We propose the use of heterogeneous visual landmarks, points and line segments. A large-scale SLAM algorithm is generalized to manage multiple robots, in which a global graph maintains the topological relationships between a series of local sub-maps built by the different robots. Only single camera setups are considered: in order to achieve undelayed initialization, we present a novel parametrization for lines based on anchored Plücker coordinates, to which we add extensible endpoints to enhance their representativeness. The built maps combine such lines with 3D points parametrized in inverse-depth. The overall approach is evaluated with real-data taken with a helicopter and a ground rover in an abandoned village.

Springer Tracts in Advanced Robotics, ISSN 1610-7438 ; 70
National Category
Computer Vision and Robotics (Autonomous Systems)
urn:nbn:se:liu:diva-73415 (URN)10.1007/978-3-642-19457-3_40 (DOI)978-3-642-19456-6 (ISBN) (OAI)
Available from2012-01-03 Created:2012-01-03 Last updated:2012-01-25

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Vidal-Calleja, TeresaBerger, CyrilleSolà, JoanLacroix, Simon
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University of SydneyKPLAB - Knowledge Processing LabThe Institute of Technology
Computer Vision and Robotics (Autonomous Systems)

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