Abstract
Given a set S of n points in E d (d ≥ 3), we consider the problem of computing a closest point to a query hyperplane Q. For d = 3, we report an algorithm whose preprocessing time is in O(n 1+ɛ), space complexity is in O(n log n) and query time is in O(n 2/3+ɛ). For d > 3, we adopt a different approach and propose an algorithm which has a query time in O(d log n), in an amortized sense, under a rather strong assumption that we explain in the paper, with O(n d+k) preprocessing space and, O(n d+1+k) preprocessing time, both in an expected sense, for some k > 0.
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Mitra, P., Mukhopadhyay, A. (2003). Computing a Closest Point to a Query Hyperplane in Three and Higher Dimensions. In: Kumar, V., Gavrilova, M.L., Tan, C.J.K., L’Ecuyer, P. (eds) Computational Science and Its Applications — ICCSA 2003. ICCSA 2003. Lecture Notes in Computer Science, vol 2669. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44842-X_80
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DOI: https://doi.org/10.1007/3-540-44842-X_80
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