Shape Collage is a photo collage maker software program. Automatically create picture collages in a variety of shapes with just a few mouse clicks. Available for Windows, Mac OS X, and Linux.
java-emotion-recognizer - Java emotion recognition engine. Given training data and an input image, JEmotionRec can guess the emotion being conveyed with reasonable accuracy.
J. Jeon, V. Lavrenko, and R. Manmatha. Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Informaion Retrieval, page 119--126. New York, NY, USA, ACM, (2003)