An investigation into neural networks for the detection of exudates in retinal images

Gerald Schaefer*, Edmond Leung

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present an approach of automatically detecting exudates in retinal images using neural networks. Exudates are one of the early indicators of diabetic retinopathy which is known as one of the leading causes for blindness. A neural network is trained to classify whether small image windows are part of exudate areas or not. Furthermore, it is shown that a pre-processing step based on histogram specification in order to deal with varying lighting conditions greatly improves the recognition performance. Application of principal component analysis is used for dimensionality reduction and speed-up of the system. Experimental results were obtained on an image data set with known exudate locations and showed good classification performance with a sensitivity of 94.78% and a specificity of 94.29%.

Original languageEnglish
Title of host publicationApplications of soft computing: updating the state of art
EditorsErel Avineri, Mario Köppen, et al
Place of PublicationBerlin (DE)
PublisherSpringer
Pages169-177
Number of pages9
ISBN (Electronic)978-3-540-88079-0
ISBN (Print)978-3-540-88078-3
DOIs
Publication statusPublished - 11 Feb 2009
Event12th Online World Conference on Soft Computing in Industrial Applications - Online
Duration: 16 Oct 200726 Oct 2007

Publication series

NameAdvances in Soft Computing
PublisherSpringer
Volume52
ISSN (Print)1615-3871
ISSN (Electronic)1860-0794

Conference

Conference12th Online World Conference on Soft Computing in Industrial Applications
Abbreviated titleWSC12
Period16/10/0726/10/07

Keywords

  • diabetic retinopathy
  • exudate detection
  • histogram equalisation/specification
  • neural network
  • principal component analysis

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  • Research Output

    • 1 Conference contribution

    An optimisation approach to palette reordering for indexed image compression

    Schaefer, G. & Nolle, L., 11 Feb 2009, Applications of soft computing: updating the state of art. Avineri, E., Köppen, M. & et al (eds.). Berlin (DE): Springer, Vol. 52. p. 178-185 8 p. (Advances in Soft Computing; vol. 52).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • Cite this

    Schaefer, G., & Leung, E. (2009). An investigation into neural networks for the detection of exudates in retinal images. In E. Avineri, M. Köppen, & et al (Eds.), Applications of soft computing: updating the state of art (pp. 169-177). (Advances in Soft Computing; Vol. 52). Springer. https://doi.org/10.1007/978-3-540-88079-0_17