1. M. Berger. Tracking rigid and non polyhedral objects in an image sequence. In Scandinavian Conference on Image Analysis, pages 945–952, Tromso (Norway), 1993.
2. R. Beß. Objekterkennung mit dem Extended Gaussian Image. Technical report, Diploma thesis, Lehrstuhl für Mustererkennung (Informatik 5), Universität Erlangen-Nürnberg, Erlangen, 1993.
3. L.D. Cohen and I. Cohen. Finite-element method for active contour models and balloons for 2-D and 3-D images. IEEE Transactions on Pattern Analysis and Machine Intelligence, 15(11):1131–1147, 1993.
4. T.F. Cootes, C.J. Taylor, D.H. Cooper, and J. Graham. Active shape models — their training and applications. Computer Vision Graphics and Image Processing, 61(1):38–59, 1995.
5. R. Curwen and A. Blake. Dynamic contours: Real-time active splines. In A. Blake and A. Yuille, editors, Active Vision, pages 39–58. MIT Press, Cambridge, 1992.