Faster and More Robust Mesh-based Algorithms for Obstacle k-Nearest Neighbour

13 Aug 2018Shizhe ZhaoDaniel D. HaraborDavid Taniar

We are interested in the problem of finding $k$ nearest neighbours in the plane and in the presence of polygonal obstacles ($\textit{OkNN}$). Widely used algorithms for OkNN are based on incremental visibility graphs, which means they require costly and online visibility checking and have worst-case quadratic running time... (read more)

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