Wilailak, Krisada, Theerapan Raruenrom, Pathreeya Thanisaro, and Dr. Thanachart Numnonda. “A Comparative Study of Automatic Thresholding Techniques”. Engineering and Applied Science Research 23, no. 1 (April 23, 2013): 1–14. accessed January 7, 2026. https://ph01.tci-thaijo.org/index.php/easr/article/view/8075.