@article{li2011multi,
  title={Multi-task rank learning for visual saliency estimation},
  author={Li, Jia and Tian, Yonghong and Huang, Tiejun and Gao, Wen},
  journal={IEEE Transactions on Circuits and Systems for Video Technology},
  volume={21},
  number={5},
  pages={623--636},
  year={2011},
  publisher={IEEE}
}