@conference {scharr2000a,
	title = {An anisotropic diffusion algorithm with optimized rotation invariance},
	booktitle = {Proceedings of the 22th DAGM Symposium on Pattern Recognition},
	year = {2000},
	pages = {460--467},
	doi = {10.1007/978-3-642-59802-9_58},
	author = {Hanno Scharr and Weickert, J.}
}
