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. 2023 Nov 24;9(12):e22208. doi: 10.1016/j.heliyon.2023.e22208

Fig. 4.

Fig. 4

Sample EEG data along with different transform analysis. (a) Epileptic EEG signal, (b) Normal EEG signal, (c) Continuous wavelet transform (CWT) of Epileptic EEG signal, (d) Continuous wavelet transform (CWT) of Normal EEG signal, (e) Spectrogram using STFT of Epileptic EEG signal, (f) Spectrogram using STFT of Normal EEG signal (g) Winger-Ville Distribution (WVD) of Epileptic EEG signal and (h) Winger-Ville Distribution (WVD) of Normal EEG signal. The red boxes indicate the region that has significant activity.