Zhu, W., N. Sokhandan, G. Yang, S. Martin, and S. Sathyanarayana. “DocBed: A Multi-Stage OCR Solution for Documents With Complex Layouts”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 36, no. 11, June 2022, pp. 12643-9, doi:10.1609/aaai.v36i11.21539.