@inproceedings{parameterfreegeometricdocumentlayout,
  title = {Parameter-free Geometric Document Layout Analysis},
  author = {Seong-Whan Lee and Senior Member and IEEE and and Dae-Seok Ryu},
  year = {2001},
  booktitle = {IEEE Transactions on Pattern Analysis and Machine Intelligence 2001 11},
  url = {https://ieeexplore.ieee.org/abstract/document/969115},
}