Phan Ngoc Khuong, C., T. Tran Van, Q. Nguyen Ngoc, T. Ly Anh, D. Tu Tuyet, and A. Vu Quoc. “Segmentation of Blood Vessels in Colposcopic Images Using Polarized Light and Sauvola Thresholding”. VNUHCM Journal of Engineering and Technology, Vol. 3, no. 4, Dec. 2020, pp. 523-30, doi:https://doi.org/10.32508/stdjet.v3i4.673.