Sciweavers

COMPGEOM
2006
ACM
14 years 24 days ago
On the ICP algorithm
We present upper and lower bounds for the number of iterations performed by the Iterative Closest Point (ICP) algorithm. This algorithm has been proposed by Besl and McKay [4] as ...
Esther Ezra, Micha Sharir, Alon Efrat
COMPGEOM
2006
ACM
14 years 2 months ago
Conflict-free colorings of shallow discs
We prove that any collection of n discs in which each one intersects at most k others, can be colored with at most O(log3 k) colors so that for each point p in the union of all di...
Noga Alon, Shakhar Smorodinsky
COMPGEOM
2006
ACM
14 years 2 months ago
Sliver removal by lattice refinement
I present an algorithm that can provably eliminate slivers in the interior of a tetrahedral mesh, leaving only tetrahedra with dihedral angles between 30 and 135 degrees and radiu...
François Labelle
COMPGEOM
2006
ACM
14 years 2 months ago
The effect of corners on the complexity of approximate range searching
Sunil Arya, Theocharis Malamatos, David M. Mount
COMPGEOM
2006
ACM
14 years 2 months ago
I/O-efficient batched union-find and its applications to terrain analysis
Despite extensive study over the last four decades and numerous applications, no I/O-efficient algorithm is known for the union-find problem. In this paper we present an I/O-effic...
Pankaj K. Agarwal, Lars Arge, Ke Yi
COMPGEOM
2006
ACM
14 years 4 months ago
Random triangulations of planar point sets
Let S be a finite set of n + 3 points in general position in the plane, with 3 extreme points and n interior points. We consider triangulations drawn uniformly at random from the...
Micha Sharir, Emo Welzl
COMPGEOM
2006
ACM
14 years 4 months ago
An optimal-time algorithm for shortest paths on a convex polytope in three dimensions
We present an optimal-time algorithm for computing (an implicit representation of) the shortest-path map from a fixed source s on the surface of a convex polytope P in three dime...
Yevgeny Schreiber, Micha Sharir
COMPGEOM
2006
ACM
14 years 4 months ago
Iterated snap rounding with bounded drift
Snap Rounding (SR for short) is a method for converting arbitrary-precision arrangements of line segments into a fixed-precision representation. In the previous years two variant...
Eli Packer
COMPGEOM
2006
ACM
14 years 4 months ago
Degenerate crossing numbers
János Pach, Géza Tóth