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. 2021 Dec 20;21(24):8485. doi: 10.3390/s21248485

Figure A1.

Figure A1

EEG pre-processing techniques and EEG artifacts/data cleaning used in this review. (a) The first five processes of epileptic seizure data classification as in Figure 2. (b) The epileptic filter used to bandpass the frequency from 0.5 Hz to 60 Hz in study [12]. (c) The logarithmic operation applied to each BLIMF after decomposition in study [16]. (d) The 4th order Butterworth low-pass filter embedded in the decomposition phase in study [17].