Feature extraction 181 Features extraction 63 feature extraction 60 Deep learning 56 human 53 Extraction 50 Classification (of information) 40 Humans 37 deep learning 36 Article 35 Convolutional neural networks 32 machine learning 32 convolutional neural network 26 Forecasting 25 Learning systems 25 Neural networks 23 algorithm 23 Convolution 22 controlled study 22 Machine learning 20 Image enhancement 19 Biomedical signal processing 17 Convolutional neural network 17 Deep neural networks 17 Object detection 17 Features selection 16 Neural Networks, Computer 15 Support vector machines 15 article 15 Diseases 14