Approximating extent measures of points.
We present a general technique for approximating various descriptors of the extent of a set P of n points in Rd when the dimension d is an arbitrary fixed constant. For a given extent measure μ and a parameter ϵ > 0, it computes in time O(n + 1/ϵO(1)) a subset Q ⊆ P of size 1/...
Vydáno v: | Journal of the ACM 51, 4 (2004). |
---|---|
Hlavní autor: | |
Médium: | Článek |
Jazyk: | English |
Témata: |