Automated Grading of Diabetic Macular Edema Using Color Retinal Photographs

Muhammad Zubair, Jawad Ahmad, Fehaid Alqahtani, Fawad Khan, Syed Aziz Shah, Qammer H. Abbasi, Sana Ullah Jan

    Research output: Chapter in Book/Report/Conference proceedingConference proceedingpeer-review

    3 Citations (Scopus)

    Abstract

    Diabetic Macular Edema (DME) is an advanced indication of diabetic retinopathy (DR). It starts with blurring in vision and can lead to partial or even complete irreversible visual compromise. The only cure is timely diagnosis, prevention and treatment in the early stages. In this paper we have presented a novel automated system for the diagnosis and stage classification of diabetic macular edema, by following certain steps: first the image is enhanced by contrast limit adaptive histogram equalization (CLAHE) and contrast stretching to improve the overall contrast of the image. After the components become distinct, optic disk (OD) is localized and excluded from the image. All possible exudates are detected from OD less image using dynamic thresholding, where the decision parameters are mean and standard deviation of the image. The different stages of the disease are classified on the given criteria by Early Treatment Diabetic Retinopathy Studies (ETDRS). Stage of the disease is classified as normal, less significant, moderate and severe to assess the severity level. The proposed technique gives overall accuracy of 97.4 %, 98.7%, and 97.2 % on publically available databases MESSIDOR, DIARETDB, and HEI-MED, respectively.
    Original languageEnglish
    Title of host publication2022 2nd International Conference of Smart Systems and Emerging Technologies (SMARTTECH)
    PublisherIEEE
    Pages1-6
    Number of pages6
    ISBN (Electronic)9781665409735
    DOIs
    Publication statusPublished - May 2022
    Event2022 2nd International Conference of Smart Systems and Emerging Technologies (SMARTTECH) - Riyadh, Saudi Arabia
    Duration: 9 May 202211 May 2022

    Publication series

    Name2022 2nd International Conference of Smart Systems and Emerging Technologies (SMARTTECH)
    PublisherIEEE

    Conference

    Conference2022 2nd International Conference of Smart Systems and Emerging Technologies (SMARTTECH)
    Abbreviated titleSMARTTECH
    Country/TerritorySaudi Arabia
    CityRiyadh
    Period9/05/2211/05/22

    Bibliographical note

    Funding Information:
    Publically available datasets MESSIDOR, DIARETDB and HEI-MED were helpful in providing fundus images for testing and evaluation.

    Publisher Copyright:
    © 2022 IEEE.

    Keywords

    • optic disk
    • diabetic macular edema ,
    • diabetic retinopathy ,
    • fundus image
    • exudate

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