Improved automated optic cup segmentation based on detection of blood vessel bends in retinal fundus images. - Yuji Hatanaka; Yuuki Nagahata; Chisako Muramatsu; Susumu Okumura; Kazunori Ogohara; Akira Sawada; Kyoko Ishida; Tetsuya Yamamoto; Hiroshi Fujita 001 (EMBC, 2014)