Choirina, Priska, and Ulla Delfana Rosiani. “Detection and Tracking of Face Location in the Pre-Processing Stage of Recognition of Micro Expressions Using the Kanade-Lucas-Tomasi (KLT) Method”. Jurnal Informatika Polinema 7, no. 1 (November 30, 2020): 73–78. Accessed July 4, 2024. http://jurnal.polinema.ac.id/index.php/jip/article/view/2624.