Ruhnau, P, Kohlberger, T, Nobach, H and Schnörr, C (2004).
Variational Optical Flow Estimation for Particle Image Velocimetry.
Proc. Lasermethoden in der Strömungsmeßtechnik. Deutsche Gesellschaft für Laser-Anemometrie GALA e.V., Karlsruhe
Schnörr, (1999).
Variational Methods for Adaptive Image Smoothing and Segmentation.
Handbook on Computer Vision and Applications: Signal Processing and Pattern Recognition. Academic Press, San Diego.
2 451–484
Schnörr, (2000).
Variational Adaptive Smoothing and Segmentation.
Computer Vision and Applications: A Guide for Students and Practitioners. Academic Press, San Diego. 459–482