A. Hub, S. Kombrink, and T. Ertl. Proceedings of the 1st Multi-disciplinary Vision Rehabilitation and Research Conference ENVISION 06; September 21-24; Kansas City, MO, USA, (2006)
T. Brox, A. Bruhn, and J. Weickert. Proceedings of European Conference on Computer Vision (ECCV 2006). Lecture Notes in Computer Science, 3951, Springer, (2006)