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» A Search-Free Intersection Algorithm
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GIS
2005
ACM
14 years 10 months ago
Automatic extraction of road intersections from raster maps
Numerous raster maps are available on the Internet, but the geographic coordinates of the maps are often unknown. In order to determine the precise location of a raster map, we ex...
Yao-Yi Chiang, Craig A. Knoblock, Ching-Chien Chen
COCO
2000
Springer
107views Algorithms» more  COCO 2000»
14 years 1 months ago
On the Complexity of Intersecting Finite State Automata
We consider the problem of testing whether the intersection of a collection of k automata is empty. The straightforward algorithm for solving this problem runs in time k where is...
George Karakostas, Richard J. Lipton, Anastasios V...
ESA
2008
Springer
159views Algorithms» more  ESA 2008»
13 years 11 months ago
Cache-Oblivious Red-Blue Line Segment Intersection
We present an optimal cache-oblivious algorithm for finding all intersections between a set of non-intersecting red segments and a set of non-intersecting blue segments in the plan...
Lars Arge, Thomas Mølhave, Norbert Zeh
COMPGEOM
2001
ACM
14 years 1 months ago
Segment intersection searching problems in general settings
We consider segment intersection searching amidst (possibly intersecting) algebraic arcs in the plane. We show how to preprocess n arcs in time O(n2+ ) into a data structure of si...
Vladlen Koltun
JVCA
2006
140views more  JVCA 2006»
13 years 9 months ago
A fast triangle to triangle intersection test for collision detection
The triangle-to-triangle intersection test is a basic component of all collision detection data structures and algorithms. This paper presents a fast method for testing whether tw...
Oren Tropp, Ayellet Tal, Ilan Shimshoni