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COMPGEOM
2005
ACM
15 years 8 months ago
Finding the best shortcut in a geometric network
Given a Euclidean graph G in Rd with n vertices and m edges we consider the problem of adding a shortcut such that the stretch factor of the resulting graph is minimized. Currentl...
Mohammad Farshi, Panos Giannopoulos, Joachim Gudmu...
DCG
2010
137views more  DCG 2010»
15 years 6 months ago
Improved Results on Geometric Hitting Set Problems
We consider the problem of computing minimum geometric hitting sets in which, given a set of geometric objects and a set of points, the goal is to compute the smallest subset of p...
Nabil H. Mustafa, Saurabh Ray
CGF
2004
108views more  CGF 2004»
15 years 6 months ago
Interference Detection for Subdivision Surfaces
Accurate and robust interference detection and ray-tracing of subdivision surfaces requires safe linear approximations. Approximation of the limit surface by the subdivided contro...
Xiaobin Wu, Jörg Peters
PERCOM
2010
ACM
15 years 5 months ago
Crowd-sourcing world models with OpenRoomMap
Abstract—The construction of world models typically requires laborious survey and cataloguing of a building’s contents. OpenRoomMap attempts to crowd-source this information by...
Andrew Colin Rice, Oliver J. Woodman
ALGORITHMICA
2011
15 years 1 months ago
Crossing Number and Weighted Crossing Number of Near-Planar Graphs
A nonplanar graph G is near-planar if it contains an edge e such that G−e is planar. The problem of determining the crossing number of a near-planar graph is exhibited from diffe...
Sergio Cabello, Bojan Mohar