@inproceedings{blockandgroupregularizedsparsemodeling,
  title = {Block and Group Regularized Sparse Modeling for Dictionary Learning},
  author = {Yu-Tseh Chi and Mohsen Ali and Ajit Rajwade and Jeffrey Ho},
  year = {2013},
  booktitle = {CVPR 2013 6},
  url = {http://openaccess.thecvf.com/content_cvpr_2013/html/Chi_Block_and_Group_2013_CVPR_paper.html},
}