@inproceedings{zobel1999coupling,
	pages = {416-422},
	year = {1999},
	booktitle = {International Conference on Imaging Science, Systems, and Technology (CISST)},
	author = {Matthias Zobel and Joachim Denzler and Heinrich Niemann},
	title = {Coupling Rays - Probabilistic Modeling of Spatial Dependencies},
}