Sohini Roychowdhury Dara D. Koozekanani Sam N. Kuchinka Keshab K. Parhi Optic Disc Boundary and Vessel Origin Segmentation of Fundus Images. 1562-1574 2016 20 IEEE J. Biomed. Health Informatics 6 https://doi.org/10.1109/JBHI.2015.2473159 https://www.wikidata.org/entity/Q50247420 db/journals/titb/titb20.html#RoychowdhuryKKP16