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Published in: Evolutionary Intelligence 3/2022

08-03-2021 | Research Paper

Classify four imagined objects with EEG signals

Authors: Fabio R. Llorella Costa, Eduardo Iáñez, José M. Azorín, Gustavo Patow

Published in: Evolutionary Intelligence | Issue 3/2022

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Abstract

EEG signals contain information directly related to cognitive activity. This paper presents a method to classify the images a person imagines via the information provided by the EEG signals. The images relating to the objects ‘tree’, ‘house’, ‘plane’ and ‘dog’ have been reconstructed. We have used a convolutional neural networks to obtain the reconstruction of the images and a genetic algorithm to find the parameters of this network. The results obtained have been evaluated by means of a Chebychev metric to compare the images, and it shows that the reconstruction is performed with a success of 57% over chance, with an accuracy in the classification of 60% and a kappa value of 0.40, demonstrating that the classification of five mental states where four of them come from the visual imagery, is possible.

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Metadata
Title
Classify four imagined objects with EEG signals
Authors
Fabio R. Llorella Costa
Eduardo Iáñez
José M. Azorín
Gustavo Patow
Publication date
08-03-2021
Publisher
Springer Berlin Heidelberg
Published in
Evolutionary Intelligence / Issue 3/2022
Print ISSN: 1864-5909
Electronic ISSN: 1864-5917
DOI
https://doi.org/10.1007/s12065-021-00577-y

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