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      • Computing and Mathematical Sciences
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      Using 2D and 3D landmarks to solve the correspondence problem in cognitive robot mapping

      Jefferies, Margaret E.; Cree, Michael J.; Mayo, Michael; Baker, Jesse T.
      DOI
       10.1007/b106616
      Link
       www.springerlink.com
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      Citation
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      Jefferies, M. E., Cree, M., Mayo, M. & Baker, J. T. (2005). Using 2D and 3D landmarks to solve the correspondence problem in cognitive robot mapping. In Proceedings of International Conference Spatial Cognition 2004, Frauenchiemsee, Germany, October 11-13, 2004. Heidelberg: Springer Berlin.
      Permanent Research Commons link: https://hdl.handle.net/10289/2181
      Abstract
      We present an approach which uses 2D and 3D landmarks for solving the correspondence problem in Simultaneous Localisation and Mapping (SLAM) in cognitive robot mapping. The nodes in the topological map are a representation for each local space the robot visits. The 2D approach is feature based – a neural network algorithm is used to learn a landmark signature from a set of features extracted from each local space representation. Newly encountered local spaces are classified by the neural network as to how well they match the signatures of the nodes in the topological network. The 3D landmarks are computed from camera views of the local space. Using multiple 2D views, identified landmarks are projected, with their correct location and orientation into 3D world space by scene reconstruction. As the robot moves around the local space, extracted landmarks are integrated into the ASR s scene representation which comprises the 3D landmarks. The landmarks for an ASR scene are compared against the landmark scenes for previously constructed ASRs to determine when the robot is revisiting a place it has been to before.
      Date
      2005
      Type
      Conference Contribution
      Publisher
      Springer Berlin
      Collections
      • Computing and Mathematical Sciences Papers [1431]
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