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. © 2009 Springer Berlin Heidelberg.
CITATION STYLE
Fält, P., Hiltunen, J., Hauta-Kasari, M., Sorri, I., Kalesnykiene, V., & Uusitalo, H. (2009). Extending diabetic retinopathy imaging from color to spectra. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 5575 LNCS, pp. 149–158). https://doi.org/10.1007/978-3-642-02230-2_16
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