Choirina, P. ., Fitriani, I. M. ., Rosiani, U. D. ., Mufti, M. N. ., Arsistawa, F. A. ., & Darajat, P. P. . (2025). Improved Micro-expression Recognition: An Apex Frame-Based Approach Feature Tracking and KLT. Jurnal Teknik Informatika (Jutif), 6(2), 593–608. https://doi.org/10.52436/1.jutif.2025.6.2.4235