Abu-Ain, Tarik, Siti Norul Huda Sheikh Abdullah, Bilal Bataineh, and Khairuddin Omar. “A Fast and Efficient Thinning Algorithm for Binary Images”. Journal of ICT Research and Applications 7, no. 3 (December 1, 2013): 205-216. Accessed April 30, 2025. https://journals.itb.ac.id/index.php/jictra/article/view/841.