Biomedical signal processing Electroencephalography 17 Feature extraction 15 human 10 Brain computer interface 9 Classification (of information) 9 Article 8 Deep learning 8 Extraction 8 Electroencephalogram signals 7 Electrophysiology 7 Emotion recognition 7 Humans 7 Speech recognition 7 Algorithms 6 Brain 6 Features extraction 6 Heart 6 algorithm 6 electroencephalography 6 feature extraction 6 machine learning 6 Cardiology 5 Diseases 5 EEG 5 Learning systems 5 Support vector machines 5 controlled study 5 convolutional neural network 5 Brain–computer interface 4