@article{unknown2018methods,
  title={Methods and systems of applying a confidence map to a fillable form},
  author={Reiner Eschbach and Safwan Wshah and Edward Chapman and Phiiip Emmett},
  journal={US Patent},
  volume={9965457},
  journalpage={https://patents.google.com/patent/US9965457B2/en},
  year={2018},
  citations={}
}