Interactive Blood Vessel Segmentation from Retinal Fundus Image Based on Canny Edge Detector. - Alexander Ze Hwan Ooi; Zunaina Embong; Aini Ismafairus Abd Hamid; Rafidah Zainon; Shir Li Wang; Theam Foo Ng; Rostam Affendi Hamzah; Soo Siang Teoh; Haidi Ibrahim (Sensors, 2021)