@conference {288,
	title = {Direction-Dependent Regularization for Improved Estimation of Liver and Lung Motion in 4D Image Data},
	booktitle = {SPIE Medical Imaging 2010: Image Processing},
	volume = {7623},
	year = {2010},
	pages = {76232Y1 - 76232Y8},
	publisher = {SPIE},
	organization = {SPIE},
	address = {San Diego, California, USA},
	doi = {10.1117/12.844194},
	author = {Schmidt-Richberg, Alexander and Jan Ehrhardt and Werner, René and Heinz Handels}
}
