@article{exraydistinguishinginjectedbackdoorfrom,
  title = {EX-RAY: Distinguishing Injected Backdoor from Natural Features in Neural Networks by Examining Differential Feature Symmetry},
  author = {Yingqi Liu and Guangyu Shen and Guanhong Tao and Zhenting Wang and Shiqing Ma and Xiangyu Zhang},
  year = {2021},
  eprint = {2103.08820},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.08820v2},
}