Technology: general issues convolutional neural networks deep neural network driving stress machine learning BSS underlying network EEG EKF GSR Gaussian background model ITS ITS services Intelligent Transportation Systems (ITS) Kalman filter Physics RNN-based solver Viola-Jones XGBoost classifier abnormal road surface acceleration sensor activity recognition adaptive feature extractor advanced traveler information systems (ATIS) affective computing affective corpus aging adults amplitude modulation arousal arousal detection artificial intelligence