Steady State Visual Evoked Potential Detection using Subclass Marginal Fisher Analysis

Anastasios Maronidis1, Vangelis Oikonomou1, Spiros Nikolopoulos1, Ioannis (Yannis) Kompatsiaris

  • 1Information Technologies Institute, CERTH



Contributed Papers


11:30 - 13:30 | Fri 26 May | Emerald III, Rose, Narcissus & Jasmine | FrPS1T1

Poster I

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Recently, SSVEP detection from EEG signals has attracted the interest of the research community, leading to a number of well-tailored methods. Among these methods, Canonical Correlation Analysis (CCA) along with several variants have gained the leadership. Despite their effectiveness, due to their strong dependence on the correct calculation of correlations, these methods may prove to be inadequate in front of potential deficiency in the number of channels used, the number of available trials or the duration of the acquired signals. In this paper, we propose the use of Subclass Marginal Fisher Analysis (SMFA) in order to overcome such problems. SMFA has the power to effectively learn discriminative features of poor signals, and this advantage is expected to offer the appropriate robustness needed in order to handle such deficiencies. In this context, we pinpoint the qualitative advantages of SMFA, and through a series of experiments we prove its superiority over the state-of-the-art in detecting SSVEPs from EEG signals acquired with limited resources.

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