@article{Black:CVIU:2000, title = {Robustly estimating changes in image appearance}, author = {Black, M. J. and Fleet, D. J. and Yacoob, Y.}, journal = {Computer Vision and Image Understanding}, volume = {78}, number = {1}, pages = {8-31}, year = {2000}, doi = {10.1006/cviu.1999.0825} }