@InProceedings{vkrueger99avbpa, author = {V. Kr{"u}ger and R. Herpers and K. Daniilidis and G. Sommer}, title = {Teleconferencing using an attentive camera system}, year = {1999}, booktitle = {2nd Int. Conf. on Audio- and Video-based Biometric Person Authentication}, pages = {136-141}, }