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COMPGEOM
2004
ACM
15 years 3 months ago
2004
ACM
We present a novel Locality-Sensitive Hashing scheme for the Approximate Nearest Neighbor Problem under ÐÔ norm, based on Ôstable distributions. Our scheme improves the running...
96
Voted
COMPGEOM
2004
ACM
15 years 3 months ago
2004
ACM
For a set S of points in Rd, an s-spanner is a graph on S such that any pair of points is connected via some path in the spanner whose total length is at most s times the Euclidea...
64
Voted
COMPGEOM
2004
ACM
15 years 3 months ago
2004
ACM
In a landmark survey of visibility algorithms in 1974, Sutherland, Sproull, and Schumacker stated that “We believe the principal untapped source of help for hidden surface algor...
77
Voted
COMPGEOM
2004
ACM
15 years 3 months ago
2004
ACM
We revisit the problem of computing shortest obstacle-avoiding paths among obstacles in three dimensions. We prove new hardness results, showing, e.g., that computing Euclidean sh...
COMPGEOM
2004
ACM
15 years 3 months ago
2004
ACM
Let P be a set of n points in general position in the plane. Let Xk(P ) denote the number of empty convex k-gons determined by P. We derive, using elementary proof techniques, sev...