Vatandoust M, Derikvand T, Keshavarzi A. A Review of the Most Important Textual Descriptors Based on Local Binary Patterns for Facial Expression Recognition. IAJSE. 2017;4(2):113-127. Accessed September 24, 2026. https://iaiest.com/iaj/index.php/IAJSE/article/view/IAJSE1710031