Giang, Duong, Nguyen Quan, Pham Minh, Le Tu, Nguyen Lan, and Pham Duong. “A High-Precision Real-Time System for Pupil Size Measurement Using an Infrared Camera and LED Light Stimulation”. Science and Technology Development Journal 26, no. 4 (December 31, 2023): 3172-3182. Accessed May 16, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/4140.