@inproceedings{wang2002hierarchical,
  title={Hierarchical content classification and script determination for automatic document image processing},
  author={Wang, Qing and Chi, Zheru and Zhao, Rongchun},
  booktitle={Pattern Recognition, 2002. Proceedings. 16th International Conference on},
  volume={3},
  pages={77--80},
  year={2002},
  organization={IEEE}
}