Brodić, Darko, Čedomir A. Maluckov, and Liangrui Peng. “Statistics Oriented Preprocessing of Document Image”. Computing and Informatics 34, no. 2 (October 19, 2015): 383–401. Accessed May 1, 2025. https://www.cai.sk/ojs/index.php/cai/article/view/1492.