2014
DOI: 10.1109/tmech.2013.2252076
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An $\bm{O(n\log n)}$ Shortest Path Algorithm Based on Delaunay Triangulation

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Cited by 45 publications
(23 citation statements)
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“…In [4][5][6], Jan et al proposed two O(nlog n) time path-planning algorithms to obtain the near-shortest path in the Euclidian and quadric planes, respectively. Compared to the other approaches of reduced visibility graph, this fast method outperforms the rest of O(nlog n) algorithms in the general two-dimensional situation, except the path length compared to the shortest O(n 2 ) time shortest algorithm of visibility graph.…”
Section: Introductionmentioning
confidence: 99%
“…In [4][5][6], Jan et al proposed two O(nlog n) time path-planning algorithms to obtain the near-shortest path in the Euclidian and quadric planes, respectively. Compared to the other approaches of reduced visibility graph, this fast method outperforms the rest of O(nlog n) algorithms in the general two-dimensional situation, except the path length compared to the shortest O(n 2 ) time shortest algorithm of visibility graph.…”
Section: Introductionmentioning
confidence: 99%
“…Hence, the search for an efficient solution to the problem continued and the idea of exact roadmaps was introduced in the literature which relies on the discretization of the given search space. This discretization of search space makes the algorithm computationally expensive for higher dimensional spaces, that is why the application of such algorithms like Cell Decomposition methods [19] [1], Delaunay Triangulations [10] and Dynamic Graph Search methods [4] [25] are limited to low dimensional spaces only [5]. Moreover the algorithms that combine the set of allowed motions with the graph search methods thus generating state lattices, such as in [8] [31] [30], also suffered from the undesirable effects of discretization.…”
Section: Introductionmentioning
confidence: 99%
“…With their theoretical foundation in network science, path planning algorithms are well adopted in robotics [3]- [9]. In previous work, the most common requirement has been minimizing the path length [10]- [14]. Shortest paths are very effective criteria for mobile robot path planning, as the path length is often proportional to the traversal time, especially when the terrain is flat.…”
Section: Introductionmentioning
confidence: 99%