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Figure 6 | BioMedical Engineering OnLine

Figure 6

From: Improvement of classification accuracy in a phase-tagged steady-state visual evoked potential-based brain computer interface using multiclass support vector machine

Figure 6

The phase distribution of SSVEPs at 20 Hz obtained from the gaze and the resting-state (non-gaze) conditions in twenty subjects using Fourier method. The phase distributions obtained from the four gaze conditions (ad) showed significant differences with uniform distributions (p < 0.001, Kolmogorov-Smirnov (K-S) test), while the phase distribution checked by K-S test showed no statistical difference with uniform distribution (p > 0.05) in (e).

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