Choirina, P. . and Rosiani, U. D. . (2020) “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(1), pp. 73–78. doi: 10.33795/jip.v7i1.467.