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1 General aspects (0)   1.1 Epidemiology (14)   1.2 Population genetics (0)   1.3 Pathogenesis (0)   1.4 Quality of life (13)   1.5 Glaucomas as cause of blindness (5)   1.6 Prevention and screening (6) 2 Anatomical structures in glaucoma (0)   2.1 Conjunctiva (6)   2.2 Cornea (23)   2.3 Sclera (5)   2.4 Anterior chamber angle (6)   2.5 Meshwork (0)     2.5.1 Trabecular meshwork (7)     2.5.2 Schlemms canal (0)     2.5.3 Scleral outlet channels (0)   2.6 Aqueous humor dynamics (1)     2.6.1 Production (1)     2.6.2 Outflow (1)       2.6.2.1 Trabecular meshwork (3)       2.6.2.2 Uveoscleral (0)     2.6.3 Compostion (0)   2.7 Episcleral veins and venous pressure (0)   2.8 Iris (7)   2.9 Ciliary body (0)   2.10 Lens (2)   2.11 Vitreous body (1)   2.12 Choroid, peripapillary choroid, peripapillary atrophy (1)   2.13 Retina and retinal nerve fibre layer (38)   2.14 Optic disc (22)   2.15 Optic nerve (6)   2.16 Chiasma and retrochiasmal central nervous system (3)   2.17 Stem cells (1)   2.20 Other (0) 3 Laboratory methods (0)   3.1 Microscopy (1)   3.2 Electron microscopy (0)   3.3 Immunohistochemistry (4)   3.4 Molecular genetics (0)     3.4.1 Linkage studies (3)     3.4.2 Gene studies (23)   3.5 Molecular biology incl. 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Miscellaneous (6)

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Abstract #21241 Published in IGR 10-2

Elastic registration for auto-fluorescence image averaging

Kubecka L; Jan J; Kolar R; Jirik R
Conference proceedings : Annual International Conference of the IEEE Engineering in Medicine and Biology Society 2006; 1: 1948-1951

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The paper describes restitution of geometrical distortions and improvement of signal-to-noise ratio of auto-fluorescence retinal images, finally aimed at segmentation and area estimation of the lipofuscin spots as one of the features to be included in glaucoma diagnosis. The main problems - geometrical and illumination incompatibility of frames in the image sequence and a non-negligible 'shear' distortion in the individual frames - have been solved by the presented registration procedure. The concept and some details of the MI-based regularized registration, together with evaluation of test results form the core of the contribution.

Dr. L. Kubecka, Department of Biomedical Engineering, Brno University of Technology, Brno, 61200, Czech Republic. kubecka@feec.vutbr.cz

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Classification:

6.9.5 Other (Part of: 6 Clinical examination methods > 6.9 Computerized image analysis)

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