@INPROCEEDINGS{ZhHeRu15, author = {Zhang, Chao and Heeren, Behrend and Rumpf, Martin and Smith, William}, title = {Shell {PCA}: statistical shape modelling in shell space}, booktitle = {Proc. of IEEE International Conference on Computer Vision}, year = {2015}, pages={1671--1679}, doi={10.1109/ICCV.2015.195}, pdf = {http://numod.ins.uni-bonn.de/research/papers/public/ZhHeRu15.pdf}, }