Technology: general issues convolutional neural networks deep neural network driving stress machine learning BSS underlying network EEG EKF Electrical & Computer Engineering Electrical Engineering Engineering & Applied Sciences GSR Gaussian background model ITS ITS services Intelligent Transportation Systems (ITS) Kalman filter 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