Classification of Brainwaves for Sleep Stages by High-Dimensional FFT Features from EEG Signals. - Delimayanti, Mera Kartika; Purnama, Bedy; Nguyen, Ngoc Giang; Faisal, Mohammad Reza; Mahmudah, Kunti Robiatul; Indriani, Fatma; Kubo, Mamoru; Satou, Kenji (Applied Sciences (2076-3417), 2020)