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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Segmentation of retinal blood vessels in 3D images from optical coherence tomography
 Žáková, Eliška ; Odstrčilík, Jan (referee) ; Štohanzlová, Petra (advisor)
The thesis deals with optical coherence tomography theory, eye and retinal structure and possibilities of retinal blood vessel segmentation in OCT scans. Further the segmentation of retinal layers used for blood vessels segmentation by OCTSEG application is shown. In the end 2D projections in the chosen layer of retinal blood vessels by different algorithms using mean, median, minimums and maximums in which are later segmented blood vessels are made and the results are compared. The best detection of blood vessels is in 2D projections made by algorithm using maximums. In the second case was better results of detection including background noise.
Detailed record
Segmentation of retinal blood vessels in 3D images from optical coherence tomography
 Žáková, Eliška ; Odstrčilík, Jan (referee) ; Štohanzlová, Petra (advisor)
The thesis deals with optical coherence tomography theory, eye and retinal structure and possibilities of retinal blood vessel segmentation in OCT scans. Further the segmentation of retinal layers used for blood vessels segmentation by OCTSEG application is shown. In the end 2D projections in the chosen layer of retinal blood vessels by different algorithms using mean, median, minimums and maximums in which are later segmented blood vessels are made and the results are compared. The best detection of blood vessels is in 2D projections made by algorithm using maximums. In the second case was better results of detection including background noise.
Detailed record

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