@InProceedings{herpers96icpr, author = {R. Herpers and M. Michaelis and G. Sommer and L. Witta}, title = {Context based detection of keypoints and features in eye regions}, booktitle = {Proc. 13th Int. Conf. on Pattern Recognition}, year = 1996, organization = {ICPR}, volume = {B, Vienna}, pages = {23--28} }