Kento Kohase, Shunsuke Nakamura, Akio Fujiyoshi. Layout Analysis of PDF Documents by Two-Dimensional Grammars for the Production of Accessible Textbooks. In Klaus Miesenberger, Roberto Manduchi, Mario Covarrubias Rodriguez, Petr Penáz, editors, Computers Helping People with Special Needs - 17th International Conference, ICCHP 2020, Lecco, Italy, September 9-11, 2020, Proceedings, Part I. Volume 12376 of Lecture Notes in Computer Science, pages 321-328, Springer, 2020. [doi]
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