@inproceedings{groupwiseregistrationviagraphshrinkageon,
  title = {Groupwise Registration via Graph Shrinkage on the Image Manifold},
  author = {Shihui Ying and Guorong Wu and Qian Wang and Dinggang Shen},
  year = {2013},
  booktitle = {CVPR 2013 6},
  url = {http://openaccess.thecvf.com/content_cvpr_2013/html/Ying_Groupwise_Registration_via_2013_CVPR_paper.html},
}