1. On the computation of motion from sequences of images-A review;Aggarwal,1988
2. Determining optic flow;Horn;Artificial Intell.,1981
3. Displacement vectors derived from secondorder intensity variations in image sequence;Nagel;Computing Vision Graphics Image Process.,1983
4. The facet approach to optic flow;Haralick,1983
5. Velocity estimates from image sequences with second-order differential operators;Tretiak,1984