Leonarda Carnimeo Vitoantonio Bevilacqua Lucia Cariello Giuseppe Mastronardi Retinal Vessel Extraction by a Combined Neural Network-Wavelet Enhancement Method. 1106-1116 2009 ICIC (2) http://dx.doi.org/10.1007/978-3-642-04020-7_118 conf/icic/2009-2 db/conf/icic/icic2009-2.html#CarnimeoBCM09