Novel Extraction of Discriminative Fine-Grained Feature to Improve Retinal Vessel Segmentation. - Shuang Zeng; Chee Hong Lee; Micky C. Nnamdi; Wenqi Shi; J. Ben Tamo; Lei Zhu 012; Hangzhou He; Xinliang Zhang; Qian Chen; May D. Wang; Yanye Lu; Qiushi Ren (CoRR, 2025)