@article{Black:CVIU:1996, title = {The robust estimation of multiple motions: Parametric and piecewise-smooth flow fields}, author = {Black, M. J. and Anandan, P.}, journal = {Computer Vision and Image Understanding}, volume = {63}, number = {1}, pages = {75-104}, month = jan, year = {1996}, doi = {}, month_numeric = {1} }