@inproceedings{zhang2014fused,
  title={Fused one-vs-all mid-level features for fine-grained visual categorization},
  author={Zhang, Xiaopeng and Xiong, Hongkai and Zhou, Wengang and Tian, Qi},
  booktitle={Proceedings of the ACM International Conference on Multimedia},
  pages={287--296},
  year={2014},
  organization={ACM}
}
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7358138&newsearch=true&queryText=Fused%20one-vs-all%20mid-level%20features%20for%20fine-grained%20visual%20categorization