Registration of Digital Ophthalmic Images Using Vector Mapping. - Neil Ryan; Conor Heneghan; Mark Cahill (ICIP, 2000)

Characterization of changes in blood vessel width and tortuosity in retinopathy of prematurity using image analysis. - Conor Heneghan; John Flynn; Michael O'Keefe; Mark Cahill (Medical Image Anal., 2002)