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- Alejandro Cervantes, Inés María Galván, Pedro Isasi Viñuela
- IEEE Trans. Systems, Man, and Cybernetics, Part B
- 2009

Nearest prototype methods can be quite successful on many pattern classification problems. In these methods, a collection of prototypes has to be found that accurately represents the input patterns. The classifier then assigns classes based on the nearest prototype in this collection. In this paper, we first use the standard particle swarm optimizer (PSO)… (More)

- Ricardo Aler, Inés María Galván, José María Valls
- Inf. Sci.
- 2012

An appropriate preprocessing of EEG signals is crucial to get high classification accuracy for Brain–Computer Interfaces (BCI). The raw EEG data are continuous signals in the timedomain that can be transformed by means of filters. Among them, spatial filters and selecting the most appropriate frequency-bands in the frequency domain are known to improve… (More)

- Alejandro Cervantes, Inés María Galván, Pedro Isasi Viñuela
- IWINAC
- 2007

Nearest Prototype methods can be quite successful on many pattern classification problems. In these methods, a collection of prototypes has to be found that accurately represents the input patterns. The classifier then assigns classes based on the nearest prototype in this collection. In this paper we develop a new algorithm (called AMPSO), based on the… (More)

- Ricardo Aler, Inés María Galván, José María Valls
- IEEE Congress on Evolutionary Computation
- 2010

Machine Learning techniques are routinely applied to Brain Computer Interfaces in order to learn a classifier for a particular user. However, research has shown that classification techniques perform better if the EEG signal is previously preprocessed to provide high quality attributes to the classifier. Spatial and frequency-selection filters can be… (More)

- Alejandro Cervantes, Inés María Galván, Pedro Isasi Viñuela
- New Generation Computing
- 2008

This paper presents a new approach to Particle Swarm Optimization, called Michigan Approach PSO (MPSO), and its application to continuous classification problems as a Nearest Prototype (NP) classifier. In Nearest Prototype classifiers, a collection of prototypes has to be found that accurately represents the input patterns. The classifier then assigns… (More)

- Alejandro Cervantes, Inés María Galván, Pedro Isasi Viñuela
- 2007 IEEE Swarm Intelligence Symposium
- 2007

This paper presents an application of particle swarm optimization (PSO) to continuous classification problems, using a Michigan approach. In this work, PSO is used to process training data to find a reduced set of prototypes to be used to classify the patterns, maintaining or increasing the accuracy of the nearest neighbor classifiers. The Michigan approach… (More)

- César Estébanez, José María Valls, Ricardo Aler, Inés María Galván
- ICANN
- 2005

- Inés María Galván, Pedro lsasi
- 2009

Purposc oC this work is lO show that lhe Particle Swarm Optimization Algorithm may improve the results of same wel! known ~Iachine Learning methods in the resolution of discrele classification problems. A binary version of lhe PSO algorithm is uscd to obtain a set oí logic rules that map binary masks (that represent thc attributc values), lo l he avnilable… (More)

The subject of financial portfolio optimization under real-world constraints is a difficult problem that can be tackled using multiobjective evolutionary algorithms. One of the most problematic issues is the dependence of the results on the estimates for a set of parameters, that is, the robustness of solutions. These estimates are often inaccurate and this… (More)