How to apply a modified matched filter to an image?
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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.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/275213/image.png)
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
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alireza mohsenpour
am 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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