Orthogonal polygon reconstruction from stabbing information
Computational Geometry: Theory and Applications
ISAAC '99 Proceedings of the 10th International Symposium on Algorithms and Computation
Simple Robots with Minimal Sensing: From Local Visibility to Global Geometry
International Journal of Robotics Research
A polygon is determined by its angles
Computational Geometry: Theory and Applications
Reconstructing polygons from scanner data
Theoretical Computer Science
Reconstructing a simple polygon from its angles
SWAT'10 Proceedings of the 12th Scandinavian conference on Algorithm Theory
Reconstructing visibility graphs with simple robots
SIROCCO'09 Proceedings of the 16th international conference on Structural Information and Communication Complexity
Perspective: Simple agents learn to find their way: An introduction on mapping polygons
Discrete Applied Mathematics
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Given a cyclically ordered vertex sequence of an unknown simple polygon P of n vertices and, for each vertex v of P, the sequence of angles defined by all the visible vertices of v in P, we study the problem of reconstructing the polygon P (up to similarity). An O(n^3logn) time algorithm has been proposed for this problem (by Disser, Mihalak, and Widmayer in 2011 [5]). We show in this paper that the running time of the algorithm in the previous work can be reduced to O(n^2) time by new observations on the geometric structures of the problem.