Feature engineering Feature engineerings 2 Feature extraction 2 Acoustic features 1 Android (operating system) 1 Binary classifiers 1 COVID-19 1 Cameras 1 Classification (of information) 1 Convolutional neural networks 1 Coronavirus 1 Coronaviruses 1 Cough detection 1 Cough sounds 1 Daily activity 1 Deep learning 1 Detection models 1 Efficiency 1 F1 scores 1 Flow based 1 Machine learning 1 Malware 1 Malware detection 1 Mobile adware 1 Mobile applications 1 Mobile security 1 Mobile telecommunication systems 1 Mobile users 1 Network traffic 1 Sound visualization 1