Chaivatna SumetphongSupachai TangwongsanMahidol University2018-09-242018-09-242010-11-15ICACTE 2010 - 2010 3rd International Conference on Advanced Computer Theory and Engineering, Proceedings. Vol.1, (2010)2-s2.0-78149332051https://repository.li.mahidol.ac.th/handle/20.500.14594/28999One of the biggest challenges in restoring historical documents is to achieve a high level of OCR accuracy. The main characteristic inherent to these valuable but degraded documents is the abundant presence of broken characters. This paper represents this problem as a mathematical model. We also propose a novel solution based on set-partitions to recognize broken characters in Thai Historical documents. Experiments based on this solution have been performed and the results are very promising. © 2010 IEEE.Mahidol UniversityComputer ScienceMathematicsConference PaperSCOPUS10.1109/ICACTE.2010.5579053