Fundus image enhancement using white top hat operation and perona-malik diffusion filter

  • Authors

    • Syaiful Anam Mathematics Department, Brawijaya University
    • Zuraidah Fitriah Mathematics Department, Brawijaya University
    • Nur Shofianah Mathematics Department, Brawijaya University
    • Ratno Bagus Edy Wibowo Mathematics Department, Brawijaya University
    2019-04-21
    https://doi.org/10.14419/ijet.v7i4.18769
  • Diabetic Retinopathy, Fundus Image, Image Enhancement, Perona-Malik Diffusion Filter, White Top Hat Operation.

  • Abstract

    Diabetes mellitus is a chronic disease characterized by increasing the blood sugar levels that are far above normal. The diabetes mellitus can damage small blood vessels in the retina called diabetic retinopathy. The diabetic retinopathy could result in blurred vision and can progress to blindness when it is left untreated. The diabetic retinopathy is one of the main causes of blindness in the western world in the working period population. One way to find out the diabetic retinopathy is by examining the eye fundus image with using a fundus camera. However, the fundus image often has noise and uneven illumination which cause the evaluation diabetic retinopathy is hard. Therefore, a method for enhancing the fundus image is necessary. This paper proposes the use of white top operation and the Perona - Malik diffusion filters for enhancing the quality of the fundus image. The white top-hat transform is used to extracts small elements and details from given images. The Perona–Malik diffusion filter is used for reducing the noise in images without removing significant parts of the image contents. From the results of experiment, it can be concluded that the proposed method is able to significantly improve fundus image.

     

     

     

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  • How to Cite

    Anam, S., Fitriah, Z., Shofianah, N., & Bagus Edy Wibowo, R. (2019). Fundus image enhancement using white top hat operation and perona-malik diffusion filter. International Journal of Engineering & Technology, 7(4), 5758-5766. https://doi.org/10.14419/ijet.v7i4.18769

    Received date: 2018-09-02

    Accepted date: 2019-01-25

    Published date: 2019-04-21