Clinicalresearchshowsthattheanalysisofpul monaryvesselshelpidentifyingearlyfeaturesofre piratorypathologicchanges.Pulmonaryvesselex ractionplaysanimportantroleinmedicalimage processingandanalysis.Moreover,theresultsof vesselsegmentationprovideatoolforunderstanding herelationshipbetweenvesselmorphologyanddis ases.Earlyapproachesforvesselsegmentation,for xample,matchedfiltermethodsandmorphological methods,wereproposed,buttheirdetectionaccura yandvalidityofpostprocessingareundesirable,speciallyfornoisyorlowcon...