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Classification of Motor Imagery EEG Signals with CSP Filtering Through Neural Networks Models

Published: 03 January 2019 Publication History

Abstract

The paper reports the development and evaluation of brain signals classifiers. The proposal consisted of three main stages: organization of EEG signals, feature extraction and execution of classification algorithms. The EEG signals used, represent four motor actions: Left Hand, Right Hand, Tongue and Foot movements; in the frame of the Motor Imagery Paradigm. These EEG signals were obtained from a database provided by the Technological University of Graz. From this dataset, only the EEG signals of two healthy subjects were used to carry out the proposed work. The feature extraction stage was carried out by applying an algorithm known as Common Spatial Pattern, in addition to the statistical method called Root Mean Square. The classification algorithms used were: K-Nearest Neighbors, Support Vector Machine, Multilayer Perceptron and Dendrite Morphological Neural Networks. This algorithms was evaluated with two studies. The first one aimed to evaluate the performance in the recognition between two classes of Motor Imagery tasks; Left Hand vs. Right Hand, Left Hand vs. Tongue, Left Hand vs. Foot, Right Hand vs. Tongue, Right Hand vs. Foot and Tongue vs. Foot. The second study aimed to employ the same algorithms in the recognition between four classes of Motor Imagery tasks; Subject 1 - and Subject 2 - .

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cover image Guide Proceedings
Advances in Soft Computing: 17th Mexican International Conference on Artificial Intelligence, MICAI 2018, Guadalajara, Mexico, October 22–27, 2018, Proceedings, Part I
Oct 2018
453 pages
ISBN:978-3-030-04490-9
DOI:10.1007/978-3-030-04491-6

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Springer-Verlag

Berlin, Heidelberg

Publication History

Published: 03 January 2019

Author Tags

  1. EEG signals
  2. Motor Imagery
  3. Common Spatial Pattern
  4. RMS
  5. One vs Rest
  6. Pair-Wise
  7. Dendrite Morphological Neural Network
  8. Multilayer Perceptron

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