Radillah, T., O. Veza, and S. Sumijan. “COMPARATIVE ANALYSIS OF CANNY, SOBEL, PREWITT AND ROBERTS EDGE DETECTION OPERATORS ON EYE IRIS IMAGES”. JITK (Jurnal Ilmu Pengetahuan Dan Teknologi Komputer), Vol. 10, no. 1, July 2024, pp. 83 -90, doi:10.33480/jitk.v10i1.5062.