Al-Nuaimi, arqam, and Ghassan Mohmmed. “A New Method for Head Direction Estimation Based on Dlib Face Detection Method and Implementation of Sine Invers Function”. Journal of Education and Science 30, no. 5 (December 1, 2021): 114–124. Accessed September 6, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/42450.