Sulu, Brian, Jullia Titaley, Luther A. Latumakulita, and Altien J. Rindengan. 2019. “Designing an Auto Cropping Application System for Fish Eye Image Using the Edge Detection Method”. d\’Cartesian: Jurnal Matematika Dan Aplikasi 8 (2):141-46. https://doi.org/10.35799/dc.8.2.2019.24255.