Sandeep Kumar, Rishabh, and Kirti Bhatia. “A LBP and SVM Based Face Expression Classification System”. International Journal of Discoveries and Innovations in Applied Sciences 3, no. 6 (June 25, 2023): 47–54. Accessed July 22, 2024. https://openaccessjournals.eu/index.php/ijdias/article/view/2198.