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Automatic Diagnosis of Diabetic Retinopathy from Fundus Images Using Digital Signal and Image Processing Techniques
Responsible organisation
2007 (English)Conference paper (Refereed) Published
Abstract [en]

Automatic diagnosis and display of diabetic retinopathy from images of retina using the techniques of digital signal and image processing is presented in this paper. The acquired images undergo pre-processing to equalize uneven illumination associated with the acquired fundus images. This stage also removes noise present in the image. Segmentation stage clusters the image into two distinct classes while the abnormalities detection stage was used to distinguish between candidate lesions and other information. Methods of diagnosis of red spots, bleeding and detection of vein-artery crossover points have also been developed in this work using the color information, shape, size, object length to breadth ration as contained in the acquired digital fundus image. Furthermore, two graphical user interfaces (GUIs) have also been developed during this work; the first is for the collection of lesion data information and was used by the ophthalmologist in marking images for database while the second GUI is for automatic diagnosing and displaying of the result in a user friendly manner. The algorithm was tested with a separate set of 25 fundus images. From this, the result obtained for microaneurysms and haemorrhages diagnosis shows the appropriateness of the method.

Place, publisher, year, edition, pages
Penang, Malaysia, 2007.
Keyword [en]
Diabetic Retinopathy, Fundus Image, Digital Image Processing, Segmentation, Retina, Classifier.
National Category
Signal Processing Medical and Health Sciences
Identifiers
URN: urn:nbn:se:bth-8003Local ID: oai:bth.se:forskinfoFE5929BE6A660D79C125760F004EDF50OAI: oai:DiVA.org:bth-8003DiVA: diva2:835687
Conference
International Conference on Robotics, Vision, Information, and Signal Processing
Available from: 2012-09-18 Created: 2009-08-11 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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