please help me in getting correct image for optic disk detection from fundus image?

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supriya suman
supriya suman on 11 Apr 2018
Commented: Vijayan G on 15 Aug 2018
i am posting my gray image ,from this image i have to detect optic disc.I have applied morphological opening and closing operation for optic disc.But i am getting white border at boundary.Can anyone please help me to get correct image and tell why it is happening.
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>> i want to remove whiter area across border and want black background.
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Vijayan G
Vijayan G on 15 Aug 2018
https://in.mathworks.com/matlabcentral/fileexchange/68491-eye-optic-disk-detection
Fllow the video link:: https://in.mathworks.com/matlabcentral/fileexchange/68491-eye-optic-disk-detection

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