Title :
An hybrid training method for B-spline neural networks
Author :
Cabrita, Cristiano ; Botzheim, János ; Ruano, António E B ; Kóczy, László T.
Author_Institution :
Centre for Intelligent Syst., Univ. do Algarve, Faro, Portugal
Abstract :
Current and past research has brought up new views related to the optimization of neural networks. For a fixed structure, second order methods are seen as the most promising. From previous works we have shown how second order methods are of easy applicability to a neural network. Namely, we have proved how the Levenberg-Marquard possesses not only better convergence but how it can assure the convergence to a local minima. However, as any gradient-based method, the results obtained depend on the startup point. In this work, a reformulated evolutionary algorithm - the bacterial programming for Levenberg-Marquardt is proposed, as an heuristic which can be used to determine the most suitable starting points, therefore achieving, in most cases, the global optimum.
Keywords :
convergence; genetic algorithms; gradient methods; neural nets; splines (mathematics); B-spline neural networks; bacterial programming; convergence; gradient-based method; hybrid training method; reformulated evolutionary algorithm; Convergence; Evolutionary computation; Genetic programming; Hybrid intelligent systems; Information technology; Microorganisms; Multi-layer neural network; Network topology; Neural networks; Spline;
Conference_Titel :
Intelligent Signal Processing, 2005 IEEE International Workshop on
Print_ISBN :
0-7803-9030-X
Electronic_ISBN :
0-7803-9031-8
DOI :
10.1109/WISP.2005.1531652