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» Algorithms for the Topological Watershed
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CEC
2008
IEEE
14 years 4 months ago
Learning what to ignore: Memetic climbing in topology and weight space
— We present the memetic climber, a simple search algorithm that learns topology and weights of neural networks on different time scales. When applied to the problem of learning ...
Julian Togelius, Faustino J. Gomez, Jürgen Sc...
ICANNGA
2007
Springer
100views Algorithms» more  ICANNGA 2007»
14 years 4 months ago
Genetic-Greedy Hybrid Approach for Topological Active Nets Optimization
In this paper we propose a genetic and greedy algorithm combination for the optimization of the Topological Active Nets (TAN) model. This is a deformable model used for image segme...
José Santos, Óscar Ibáñ...
TVCG
2012
186views Hardware» more  TVCG 2012»
12 years 17 days ago
Topology Verification for Isosurface Extraction
—The broad goals of verifiable visualization rely on correct algorithmic implementations. We extend a framework for verification of isosurfacing implementations to check topologi...
Tiago Etiene, Luis Gustavo Nonato, Carlos Eduardo ...
ESA
2005
Springer
95views Algorithms» more  ESA 2005»
14 years 3 months ago
Finding Shortest Non-separating and Non-contractible Cycles for Topologically Embedded Graphs
We present an algorithm for finding shortest surface non-separating cycles in graphs embedded on surfaces in O(g3/2 V 3/2 log V + g5/2 V 1/2 ) time, where V is the number of vert...
Sergio Cabello, Bojan Mohar
SDM
2003
SIAM
120views Data Mining» more  SDM 2003»
13 years 11 months ago
Estimation of Topological Dimension
We present two extensions of the algorithm by Broomhead et al [2] which is based on the idea that singular values that scale linearly with the radius of the data ball can be explo...
Douglas R. Hundley, Michael J. Kirby