@inproceedings{multipathsparsecodingusinghierarchical,
  title = {Multipath Sparse Coding Using Hierarchical Matching Pursuit},
  author = {Liefeng Bo and Xiaofeng Ren and Dieter Fox},
  year = {2013},
  booktitle = {CVPR 2013 6},
  url = {http://openaccess.thecvf.com/content_cvpr_2013/html/Bo_Multipath_Sparse_Coding_2013_CVPR_paper.html},
}