Article Humans 2 feature extraction 2 human 2 image segmentation 2 Adversarial networks 1 Algorithms 1 Biological organs 1 Biomedical signal processing 1 COVID-19 1 COVID-19 Testing 1 COVID-19 diagnosis 1 Chest X-ray image 1 Classification (of information) 1 Classification accuracy 1 Classification models 1 Computerized tomography 1 Database systems 1 Deep learning 1 Diagnosis 1 Diagnostic Imaging 1 Distant transfer 1 Emotion recognition 1 Errors 1 Face 1 Health monitoring 1 Heart 1 Heart Rate 1 Heart rate estimation 1 Heart rate variability 1