Uniqueness, the minimum norm constraint, and analog networks for optical flow along contours. - Atul K. Chhabra; Timothy A. Grogan (ICCV, 1990)

Vision, analog networks, and the minimum norm constraint. - Atul K. Chhabra; Timothy A. Grogan (IJCNN, 1990)

On Poisson Solvers and Semi-Direct Methods for Computing Area Based Optical Flow. - Atul K. Chhabra; Timothy A. Grogan (IEEE Trans. Pattern Anal. Mach. Intell., 1994)