KALYTA, OLEG. “METHOD OF GEOMETRIC INTERPRETATION OF FACIAL EXPRESSIONS FOR EMOTIONS RECOGNITION”. Herald of Khmelnytskyi National University. Technical sciences 305, no. 1 (February 23, 2022): 68–71. Accessed January 26, 2026. https://heraldts.khmnu.edu.ua/index.php/heraldts/article/view/1247.