Computing hereditary convex structures
Proceedings of the twenty-fifth annual symposium on Computational geometry
Delaunay Triangulation of Imprecise Points Simplified and Extended
WADS '09 Proceedings of the 11th International Symposium on Algorithms and Data Structures
Delaunay triangulation of imprecise points in linear time after preprocessing
Computational Geometry: Theory and Applications
Self-improving algorithms for convex hulls
SODA '10 Proceedings of the twenty-first annual ACM-SIAM symposium on Discrete Algorithms
Delaunay triangulations in O(sort(n)) time and more
Journal of the ACM (JACM)
Convex hull of imprecise points in o(n log n) time after preprocessing
Proceedings of the twenty-seventh annual symposium on Computational geometry
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Given a triangulation of a set of n points in the plane, each colored red or blue, we show how to compute a triangulation of just the blue points in time O(n). We apply this result to show that one can preprocess a set of disjoint regions (representing "imprecise points") in the plane having total complexity n in O(n logn) time so that if one point per region is specified with precise coordinates, a triangulation of the n points can be computed in O(n) time.