@article{yang2015robust,
  title={Robust discrete spectral hashing for large-scale image semantic indexing},
  author={Yang, Yang and Shen, Fumin and Shen, Heng Tao and Li, Hanxi and Li, Xuelong},
  journal={IEEE Transactions on Big Data},
  volume={1},
  number={4},
  pages={162--171},
  year={2015}
}