Back to articles
article
Volume: 55 | Article ID: art00012
Image
Spectral Imaging of the Human Retina and Computationally Determined Optimal Illuminants for Diabetic Retinopathy Lesion Detection
  DOI :  10.2352/J.ImagingSci.Technol.2011.55.3.030509  Published OnlineMay 2011
Abstract

An ophthalmic fundus camera was modified for spectral imaging of the human retina. Spectral channels were separated using 30 narrow bandpass interference filters in the visual range from 400 to 700 nm. A monochrome digital charge-coupled device camera was used as a detector. Using this system, spectral fundus images were recorded from 72 voluntary human subjects: 55 diabetic patients and 17 healthy control subjects. Furthermore, using the gathered spectral data, optimal illuminations' spectral power distributions for the detection of different lesions of diabetic retinopathy and retinal landmarks (e.g., macula) were calculated. Optimized illuminations were found to enhance the visibility and contrast of retinal features. Computational example images are presented.

Subject Areas :
Views 41
Downloads 3
 articleview.views 41
 articleview.downloads 3
  Cite this article 

Pauli Fält, Jouni Hiltunen, Markku Hauta-Kasari, Iiris Sorri, Valentina Kalesnykiene, Juhani Pietilä, Hannu Uusitalo, "Spectral Imaging of the Human Retina and Computationally Determined Optimal Illuminants for Diabetic Retinopathy Lesion Detectionin Journal of Imaging Science and Technology,  2011,  pp 30509-1 - 30509-10,  https://doi.org/10.2352/J.ImagingSci.Technol.2011.55.3.030509

 Copy citation
  Copyright statement 
Copyright © Society for Imaging Science and Technology 2011
  Login or subscribe to view the content