Sciweavers

2489 search results - page 350 / 498
» On the Subgroup Distance Problem
Sort
View
LATIN
2010
Springer
15 years 9 months ago
Euclidean Prize-Collecting Steiner Forest
In this paper, we consider Steiner forest and its generalizations, prize-collecting Steiner forest and k-Steiner forest, when the vertices of the input graph are points in the Euc...
MohammadHossein Bateni, MohammadTaghi Hajiaghayi
ISPAN
2002
IEEE
15 years 8 months ago
A New Parallel Genetic Algorithm
One problem of propagating the globally fittest individual via neighbourhood evolving in both island model and cellular model of existing parallel genetic algorithms (PGA) is that...
Ling Tan, David Taniar, Kate A. Smith
140
Voted
PG
2002
IEEE
15 years 8 months ago
Approximation with Active B-Spline Curves and Surfaces
An active contour model for parametric curve and surface approximation is presented. The active curve or surface adapts to the model shape to be approximated in an optimization al...
Helmut Pottmann, Stefan Leopoldseder, Michael Hofe...
EDBT
2009
ACM
108views Database» more  EDBT 2009»
15 years 8 months ago
Reverse k-nearest neighbor search in dynamic and general metric databases
In this paper, we propose an original solution for the general reverse k-nearest neighbor (RkNN) search problem. Compared to the limitations of existing methods for the RkNN searc...
Elke Achtert, Hans-Peter Kriegel, Peer Kröger...
IWANN
2001
Springer
15 years 8 months ago
Character Feature Extraction Using Polygonal Projection Sweep (Contour Detection)
It is presented in this paper a new approach to the problem of feature extraction. The approach is based on the edge detection, where a set of feature vectors is taken from the sou...
Roberto J. Rodrigues, Gizelle Kupac Vianna, Antoni...