@article{unknown2016method,
  title={Method and apparatus for classifying machine printed text and handwritten text},
  author={Michael Campanelli and Safwan Wshah and Yingbo Zhou},
  journal={US Patent},
  volume={9432671},
  journalpage={https://patents.google.com/patent/US9432671B2/en},
  year={2016},
  citations={}
}