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Título : Sub Band CSP Using Spatial Entropy-Based Relevance in MI Tasks
Autor : López Montes, Camilo
Cárdenas Peña, David
Castellanos Dominguez, Germán
Fecha de publicación : 2018
Editorial : Springer
Citación : López-Montes C., Cárdenas-Peña D., Castellanos-Dominguez G. (2018) Sub Band CSP Using Spatial Entropy-Based Relevance in MI Tasks. In: Hernández Heredia Y., Milián Núñez V., Ruiz Shulcloper J. (eds) Progress in Artificial Intelligence and Pattern Recognition. IWAIPR 2018. Lecture Notes in Computer Science, vol 11047. Springer, Cham. https://doi.org/10.1007/978-3-030-01132-1_38
Resumen : In motor imagery-based Brain-Computer Interfaces (BCI), discriminative patterns are extracted from the electroencephalogram (EEG) using the Common Spatial Pattern (CSP) algorithm. However, successful application of CSP heavily depends on the filter band and channel selection for each subject. To solve this issue, this work introduces a new supervised spatio-spectral relevance analysis (named HFB) from EEG. The proposal parameters allow controlling the number of selected spatio-spectral components and CSP features. The experimental results evidence an improved accuracy in comparison with CSP, FB and SFB assessed in the BCI competition IV dataset IIa. As a conclusion, focusing on the discriminative channels and sub-bands enhances the MI classification with a neurophysiological interpretation of the components.
URI : https://repositorio.uci.cu/jspui/handle/123456789/9475
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