@article{li2010cost,
  title={Cost-sensitive rank learning from positive and unlabeled data for visual saliency estimation},
  author={Li, Jia and Tian, Yonghong and Huang, Tiejun and Gao, Wen},
  journal={IEEE Signal Processing Letters},
  volume={17},
  number={6},
  pages={591--594},
  year={2010},
  publisher={IEEE}
}