Extending Diabetic Retinopathy Imaging from Color to Spectra

Authors:
Pauli Fält;Jouni Hiltunen;Markku Hauta-Kasari;Iiris Sorri;Valentina Kalesnykiene;Hannu Uusitalo
Affiliations:
InFotonics Center Joensuu, Department of Computer Science and Statistics, University of Joensuu, Joensuu, Finland FI-80101;InFotonics Center Joensuu, Department of Computer Science and Statistics, University of Joensuu, Joensuu, Finland FI-80101;InFotonics Center Joensuu, Department of Computer Science and Statistics, University of Joensuu, Joensuu, Finland FI-80101;Department of Ophthalmology, Kuopio University Hospital and University of Kuopio, Kuopio, Finland FI-70211;Department of Ophthalmology, Kuopio University Hospital and University of Kuopio, Kuopio, Finland FI-70211;Department of Ophthalmology, Kuopio University Hospital and University of Kuopio, Kuopio, Finland FI-70211 and Department of Ophthalmology, Tampere University Hospital, Tampere, Finland
Venue:
SCIA '09 Proceedings of the 16th Scandinavian Conference on Image Analysis
Year:
2009

Citing 1
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Abstract

In this study, spectral images of 66 human retinas were collected. These spectral images were measured in vivo from 54 voluntary diabetic patients and 12 control subjects using a modified ophthalmic fundus camera system. This system incorporates the optics of a standard fundus microscope, 30 narrow bandpass interference filters ranging from 400 to 700 nanometers at 10 nm intervals, a steady-state broadband lightsource and a monochrome digital charge-coupled device camera. The introduced spectral fundus image database will be expanded in the future with professional annotations and will be made public.