@article{sunriseorsunsetselectivecomparison,
  title = {Sunrise or Sunset: Selective Comparison Learning for Subtle Attribute Recognition},
  author = {Hong-Yu Zhou and Bin-Bin Gao and Jianxin Wu},
  year = {2017},
  eprint = {1707.06335},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1707.06335v1},
}