@article{kang2021complex,
  title={Complex image processing with less data—Document image binarization by integrating multiple pre-trained U-Net modules},
  author={Kang, Seokjun and Iwana, Brian Kenji and Uchida, Seiichi},
  journal={Pattern Recognition},
  volume={109},
  pages={107577},
  year={2021},
  doi={10.1016/j.patcog.2020.107577},
}