Classification (of information) 1 Classification accuracy 1 Classification performance 1 Classification technique 1 Data extraction 1 Data mining 1 Extraction 1 Forward scattering 1 Forward-scatter radar 1 Hybrid neural networks Neural network (nn) 1 Principal component analysis 1 Radar 1 Vehicles 1 Z-scores 1 classification 1 data extraction 1 forward scattering radar (FSR) 1 neural network (NN) 1 principal component analysis (PCA) 1 z-score 1