A review of machine learning methods for retinal blood vessel segmentation and artery/vein classification. - Muthu Rama Krishnan Mookiah; Stephen Hogg; Tom J. MacGillivray; Vijayaraghavan Prathiba; Rajendra Pradeepa; Viswanathan Mohan; Ranjit Mohan Anjana; Alexander S. Doney; Colin N. A. Palmer; Emanuele Trucco (Medical Image Anal., 2021)