@article{imperceptiblebackdoorattackfrominput,
  title = {Imperceptible Backdoor Attack: From Input Space to Feature Representation},
  author = {Nan Zhong and Zhenxing Qian and Xinpeng Zhang},
  year = {2022},
  eprint = {2205.03190},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2205.03190v1},
}