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Research Article

Hybrid glaucoma detection model based on reflection components separation from retinal fundus images

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  • @ARTICLE{10.4108/eetpht.9.3191,
        author={Zefree Lazarus Mayaluri and Satyabrata Lenka},
        title={Hybrid glaucoma detection model based on reflection components separation from retinal fundus images},
        journal={EAI Endorsed Transactions on Pervasive Health and Technology},
        volume={9},
        number={1},
        publisher={EAI},
        journal_a={PHAT},
        year={2023},
        month={7},
        keywords={Fundus image, Glaucoma, Specularity, Reflection components, Diffusion, CNN},
        doi={10.4108/eetpht.9.3191}
    }
    
  • Zefree Lazarus Mayaluri
    Satyabrata Lenka
    Year: 2023
    Hybrid glaucoma detection model based on reflection components separation from retinal fundus images
    PHAT
    EAI
    DOI: 10.4108/eetpht.9.3191
Zefree Lazarus Mayaluri1, Satyabrata Lenka1,*
  • 1: Dr. C. V. Raman University
*Contact email: 21080013@cgu-odisha.ac.in

Abstract

The diagnosis of diseases associated to the retina is significantly aided by retinal fundus images. However, when flash illumination is used during image acquisition, specularity reflection can occur on images. The retinal image processing applications are popular now days in diseases detection such as glaucoma, diabetic retinopathy, and cataract. Many modern disease detection algorithms suffer from performance accuracy limitation due to the creation of specularity reflection problem. This research proposes a hybrid model for screening of glaucoma which includes a preprocessing step to separate specular reflections from corrupted fundus images, a segmentation step using modified U-Net CNN, a feature extraction step, and an image classification step using support vector machine (SVM) with different kernels. Firstly, the diffuse and specular components are obtained using seven existing methods and apply a filter having high emphasis with a function called similar in each component. The best method, which provides highest quality images, is chosen among the seven compared methods and the output image is used in next steps for screening of glaucoma. The experimental results of the proposed model show that in preprocessing step, maximum improvement in terms of PSNR and SSIM are 37.97 dB and 0.961 respectively. For glaucoma detection experiment the results have the accuracy, sensitivity, and specificity of 91.83%, 96.39%, and 95.37% respectively and AUROC of 0.971.

Keywords
Fundus image, Glaucoma, Specularity, Reflection components, Diffusion, CNN
Received
2023-03-30
Accepted
2023-05-28
Published
2023-07-10
Publisher
EAI
http://dx.doi.org/10.4108/eetpht.9.3191

Copyright © 2023 Yavuz et al, licensed to EAI. This is an open access article distributed under the terms of the CC BY-NCSA 4.0, which permits copying, redistributing, remixing, transformation, and building upon the material in any medium so long as the original work is properly cited.

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