@inproceedings{li2018printed,
  title={Printed/Handwritten Texts and Graphics Separation in Complex Documents Using Conditional Random Fields},
  author={Li, Xiao-Hui and Yin, Fei and Liu, Cheng-Lin},
  booktitle={2018 13th IAPR International Workshop on Document Analysis Systems (DAS)},
  pages={145--150},
  year={2018},
  organization={IEEE}
}