EEG signal Gaussian kernel IR imaging Laplacian prior advanced driver-assistance systems (ADAS) affective computing artificial intelligence brain computer interface (BCI) computer vision consumer preferences convolutional recurrent neural network deep convolutional neural network deep learning deep neural network (DNN) dimensionality reduction driver health risk driver stress state electroencephalogram (EEG) emotion analysis emotion recognition facial expression analysis facial recognition human computer interaction human–robot interaction image processing image-mining intelligent speech signal processing line segment feature analysis logistic regression machine learning