Horn-Schunck optical flow method Horn, B.K.P., and Schunck, B.G., Determining Optical Flow, AI(17), No. 1-3, August 1981, pp. 185-203 http://dspace.mit.edu/handle/1721.1/6337-Horn-Schunck optical flow method Horn, BKP, and Schunck, BG, Deter