Department of Electronic Engineering,Pusan National University,Busan 46241,South Korea;
Department of Surgery,Pusan National University Yangsan Hospital,Gyeongsangnam-do 50612,South Korea;
Department of Medicine,Pusan National University,Gyeongsangnam-do 50612,South Korea;
Department of Surgery,Pusan National University School of Medicine and Research Institute for Convergence of Biomedical Science and Technology,Pusan National University Yangsan Hospital,Yangsan-si 50612,South Korea;
Indocyanine green; Laparoscopic; Artificial intelligent; Anastomotic complications; Colorectal surgery; Microcirculation analysis;