How to apply a modified matched filter to an image?

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Krishna Chaitanya
Krishna Chaitanya le 5 Mar 2020
Commenté : yanqi liu le 25 Jan 2022
I am trying to do retial blood vessel extraction and in that process I need to apply a gaussian filter for |x| ≤ 3σ, |y| ≤ L for a retinal image.
The image will be filtered by g (x, y) in eight directions. Each of the eight filtering responses will be thresholded to generate a vessel map. Finally, the eight vessel maps are fused through a logical OR operation.
Can anyone suggest me how to do it?
Thank you
  1 commentaire
yanqi liu
yanqi liu le 25 Jan 2022
yes,sir,may be upload some image to analysis

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alireza mohsenpour
alireza mohsenpour le 24 Jan 2022
Hey Krishna
I have the same project to do. have you got answer from somewhere else on this?

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