An analysis of performance evaluation for motor-imagery based BCI

Abstract : In recent years, numerous brain-computer interfaces (BCIs) based on motor-imagery have been proposed which incorporate features such as adaptive classification, error detection and correction, fusion with auxiliary signals and shared control capabilities. Due to the added complexity of such algorithms, the evaluation strategy and metrics used for analysis must be carefully chosen to accurately represent the performance of the BCI. In this article, metrics are reviewed and contrasted using both simulated examples and experimental data. Furthermore, a review of the recent literature is presented to determine how BCIs are evaluated, in particular, focusing on the relationship between how the data are used relative to the BCI subcomponent under investigation. From the analysis performed in this study, valuable guidelines are presented regarding the choice of metrics and evaluation strategy dependent upon any chosen BCI paradigm.
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https://hal.inria.fr/hal-00821971
Contributor : Eoin Thomas <>
Submitted on : Monday, May 13, 2013 - 4:18:19 PM
Last modification on : Thursday, January 25, 2018 - 1:21:06 AM

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Eoin Thomas, Matthew Dyson, Maureen Clerc. An analysis of performance evaluation for motor-imagery based BCI. Journal of Neural Engineering, IOP Publishing, 2013, 10 (3), pp.1-15. ⟨10.1088/1741-2560/10/3/031001⟩. ⟨hal-00821971⟩

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