Al-Diri, Bashir, Hunter, Andrew, Steel, David and Habib, Maged (2008) Joining retinal vessel segments. In: The 8th IEEE International Conference on BioInformatics and BioEngineering (BIBE 2008), 8-10 Oct 2008, Athens, Greece.
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| Item Type: | Conference or Workshop contribution (Paper) |
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| Item Status: | Live Archive |
Abstract
A new method is introduced for joining vessel segments together to form a vessel graph. Using a reference image set from the Sunderland Eye Infirmary, we analysed the retinal bifurcation geometry, to define measurements for the geometrical junction features. These distinctive measurements are employed to resolve the junctions. Self organized feature maps (SOFM) are used to “learn” cost functions for forming bifurcation and bridge forms. The system joins segments depending on their “projective intersections” and the SOFM cost functions. The system includes algorithms to handle overlapping and parallel segments. Transferring the vascular network to a vascular graph provides an opportunity to extract more information and to calculate features that have been not previously calculated, by providing new measurements from graph theory.
| Keywords: | Parametric active contour, A self organized feature map, vascular network, vascular junction |
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| Subjects: | G Mathematical and Computer Sciences > G740 Computer Vision |
| Divisions: | College of Science > School of Computer Science |
| ID Code: | 2082 |
| Deposited On: | 02 Dec 2009 10:17 |
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