Contextual optic disc location in retinal fundus images

Adria Perez-Rovira, Emanuele Trucco

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    This paper presents a new robust approach for the automatic location of the optic disc in retinal images. We detect several candidates independently of optic disc and the main blood vessels ( arcades). Candidates are sorted by reliability. The space of all possible pairs disc-arcades is searched using a priori anatomical knowledge, selecting the pair formed by the most reliable candidates satisfying best anatomical constraints. This pair includes the best optic disc location. The approach was tested using three public available data sets: STARE, DRIVE and DIARETDB1 and 20 SLO images from OPTOS plc, with all data sets containing different pathological lesions of various types and severity. We achieved 91.4% detection rate in the STARE data set ( which includes 61.7% of images with severe lesions), 95.0% in the DRIVE data set (15.9% of images with pathologies), 96.7% in the DIARETDB1 (94.4% of images with pathologies) and 95% in the OPTOS data set (75% of images with pathologies).

    Original languageEnglish
    Pages (from-to)136-144
    Number of pages9
    JournalJournal of Modern Optics
    Volume57
    Issue number2
    DOIs
    Publication statusPublished - 2010

    Keywords

    • retina
    • fundus
    • weak detectors
    • optic disc
    • DIABETIC-RETINOPATHY
    • BLOOD-VESSELS

    Cite this

    Perez-Rovira, Adria ; Trucco, Emanuele. / Contextual optic disc location in retinal fundus images. In: Journal of Modern Optics. 2010 ; Vol. 57, No. 2. pp. 136-144.
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    abstract = "This paper presents a new robust approach for the automatic location of the optic disc in retinal images. We detect several candidates independently of optic disc and the main blood vessels ( arcades). Candidates are sorted by reliability. The space of all possible pairs disc-arcades is searched using a priori anatomical knowledge, selecting the pair formed by the most reliable candidates satisfying best anatomical constraints. This pair includes the best optic disc location. The approach was tested using three public available data sets: STARE, DRIVE and DIARETDB1 and 20 SLO images from OPTOS plc, with all data sets containing different pathological lesions of various types and severity. We achieved 91.4{\%} detection rate in the STARE data set ( which includes 61.7{\%} of images with severe lesions), 95.0{\%} in the DRIVE data set (15.9{\%} of images with pathologies), 96.7{\%} in the DIARETDB1 (94.4{\%} of images with pathologies) and 95{\%} in the OPTOS data set (75{\%} of images with pathologies).",
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    Contextual optic disc location in retinal fundus images. / Perez-Rovira, Adria; Trucco, Emanuele.

    In: Journal of Modern Optics, Vol. 57, No. 2, 2010, p. 136-144.

    Research output: Contribution to journalArticle

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