ECH-CHADI, S. . ., H. . . ELKIHEL, and Y. . ECHCHADI. “A New Hybrid Image Thresholding Technique Based On Local and Global Parameters Applied to Ancient Document Analysis”. Revue Internationale De La Recherche Scientifique (Revue-IRS), vol. 1, no. 1, Dec. 2022, pp. 01-10, doi:10.5281/zenodo.7491859.