• Exaction of the optic disk boundary in digital fundus images

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    1999

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    IEEE

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    Mendels, F.; Heneghan, C.; Harper, P.D.; Reilly, R.B. and Thiran, J.-Ph. 'Exaction of the optic disk boundary in digital fundus images' in Proceedings of the First Joint BMES/EMBS Conference, 21st Annual Conference and the 1999 Annual Fall Meeting of the Biomedical Engineering Society, Atlanta, 13-16 June 1999, 2, p. 1139.

    Abstract

    The methods of active contours (?snakes?) and level sets were applied to images of the retina in order to locate the outer boundary of the optic disk. A gradient-vector-flow based active contour was used as it performed well over a large range of initial conditions. Images were pre-processed to lessen the influence of blood vessels on boundary detection. Both active contours and level set methods accurately located the correct boundary; level set methods were computationally more intensive

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    PUBLISHED

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    http://hdl.handle.net/2262/21039

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    Author's Homepage: http://people.tcd.ie/reillyri

    Author: REILLY, RICHARD

    Publisher: IEEE
    Type of material: Conference Paper