@inproceedings{TackKobayashiGaueretal.2015, author = {Alexander Tack and Yuske Kobayashi and Tobias Gauer and Alexander Schlaefer and Ren{\´e} Werner}, title = {Groupwise Registration for Robust Motion Field Estimation in Artifact-Affected 4D CT Images}, booktitle = {ICART: Imaging and Computer Assistance in Radiation Therapy: A workshop held on Friday 9th October as part of MICCAI 2015 in Munich, Germany. MICCAI workshop. 2015.}, pages = {18 -- 25}, year = {2015}, }