Salt and Pepper impulse Denoising opencv

asked 2020-01-18 07:21:38 -0600

Tonystark124 gravatar image

updated 2020-01-18 07:23:13 -0600

I am creating a generic method to work on salt and pepper noise and variants. The example images are as shown below :

enter image description here enter image description here enter image description here

I tried few methods, such as

    Median filter from scipy
    Selective Adaptive Median Filter by Jayanta Das et al.

The closest result was on Image 3, with Median filter, giving the closest result to the original image with no noise.

These are my following doubts :

1. Can we consider these noises as salt and pepper noise.? Is there something else that I am missing?
2. What could be the better suggested method? Currently, I am planning to implement Switching Median filter by Pei-Eng et al, but I would like to know if this could be the right track.

The originals that I am trying to get closer to:

enter image description here enter image description here enter image description here

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