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Automatic Detection of the Optic Disc of the Retina: A Fast Method Publisher



Jamshidi M1 ; Rabbani H2 ; Amini Z2 ; Kafieh R2 ; Ommani A3 ; Lakshminarayanan V3, 4, 5
Authors
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Authors Affiliations
  1. 1. Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, 84154, Iran
  2. 2. Department of Advanced Medical Technologies, Medical Image and Signal Processing Research Center, Isfahan University of Medical Sciences, Isfahan, 81745-313, Iran
  3. 3. School of Optometry and Vision Science, University of Waterloo, Canada
  4. 4. Departments of Physics, Electrical and Computer Engineering, and System Design Engineering, University of Waterloo, Waterloo, ON, Canada
  5. 5. Department of Physics, University of Michigan, Ann Arbor, 48104, MI, United States

Source: Journal of Medical Signals and Sensors Published:2016


Abstract

Localizing the optic disc (OD) in retinal fundus images is of critical importance and many techniques have been developed for OD detection. In this paper, we present the results obtained from two fast methods, correlation and least square, to approximate the location of optic cup. These methods are simple and are not complex, while most of the OD detection algorithms are. The methods were tested on two groups of data (a total of 100 color fundus images) and were 98% successful in the detection of the optic cup. An algorithm using the vessel mask of fundus images is proposed to be run after correlation to ensure that the localization of OD in all images is successful. It was tested on 40 of the test images and had a 100% rate of success. © 2016 Journal of Medical Signals and Sensors.
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