@article{atwolayerlocalconstrainedsparsecoding,
  title = {A Two-Layer Local Constrained Sparse Coding Method for Fine-Grained Visual Categorization},
  author = {Guo Lihua and Guo Chenggan},
  year = {2015},
  eprint = {1505.02505},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1505.02505v1},
}