@article{yin2016focus,
  title={Focus and shoot: Exploring auto-focus in rfid tag identification towards a specified area},
  author={Yin, Yafeng and Xie, Lei and Wu, Jie and Lu, Sanglu},
  journal={IEEE Transactions on Computers},
  volume={65},
  number={3},
  pages={888--901},
  year={2016},
  publisher={IEEE}
}