java-emotion-recognizer - Java emotion recognition engine. Given training data and an input image, JEmotionRec can guess the emotion being conveyed with reasonable accuracy.
D. Kosmopoulos, P. Doliotis, V. Athitsos, and I. Maglogiannis. Distributed, Ambient, and Pervasive Interactions: Proc.\ of the First International Conference (DAPI 2013), Las Vegas, NV, USA, 8028, Springer, Heidelberg, (2013)