fingerprinting Technology: general issues 4 deep learning 4 indoor localization 4 Internet of Things (IoT) 3 computer vision 3 particle filter 3 smartphone 3 traceability 3 Bluetooth 2 History of engineering & technology 2 Kalman filter 2 NMR 2 Wi-Fi 2 adulteration 2 amino acids 2 artificial neural network 2 authentication 2 channel state information 2 chemometrics 2 classification 2 data fusion 2 feature selection 2 food authentication 2 geographical origin 2 high-resolution mass spectrometry 2 indoor navigation 2 indoor positioning 2 internet of things 2 localization 2