Well am referring the following paper and trying to implement the algorithm as given in matlabThe only problem is how do i find a noisy pixel i.e Pixel with impulse noise? X seems to be the impulse pixel in an image which i have to calculate_____________________________________________ Input – Noisy Image h _______________________________________________ Step 1: Compute Xfor every pixel repeat steps from 2 to 7 Step 2: Initialize w = 3 Step 3: If X(i,j) ≠ Impulse pixelgoto step 7Step 4: ∆i,j = { h(i1,j1) | i-(w-1)/2 ≤ i1 ≤ i+(w-1)/2,j-(w-1)/2 ≤ j1 ≤ j+(w-1)/2}b=no. ofblack pixels in the windoww=no. of white pixels in the window Step 5: If ∆i,j ≠ NULL p(i,j) = mean(∆i,j) d(i,j) = | h(i,j) – p(i,j) | else if (w < wmax)w=w+2goto step 4elseif (b>w)h(i,j)=0 elseh(i,j)=255 Step 7: Goto next pixel Step 8: Calculate threshold t, from detailed coefficientmatrix d for every pixel Step 9: If (d(i,j)>t) h(i,j)=p(i,j) ____________________________Edit: To implement the PSM or the median filter method we need to set some parameters and a threshold value. This threshold value is dependent on the image and the noise density. So, to restore different images we need to check for a range of threshold values and find out the best one. So, in our proposed algorithm we removed the need to define a threshold value. The algorithm is intelligent and determines the threshold automatically.

Could you please summarize the goal of the article and the algorithm? A title would be nice as well to avoid link rot.

**2019年10月20日35分29秒**

so where does the term "Pixel with impulse noise" from? It does not exist in the code. Not sure what kind of answer you expect for your question, then

**2019年10月21日35分29秒**

If X(i,j) ≠ Impulse pixelhere this indicates that!

**2019年10月21日35分29秒**

Speed of recursive algorithms: Matlab < Python < C .

**2019年10月20日35分29秒**

... I thought about that too, but I did not find any sentence in the article stating that they know which pixels are noisy. Did you find one? Anyway, I think we agree that this is not a good paper...

**2019年10月20日35分29秒**

no i didn't, which makes the whole thing more dubious.

**2019年10月20日35分29秒**

i am confused as well now what kind of papers do people present ..

**2019年10月20日35分29秒**

vini, what do you mean? You want a better article to suppress salt and pepper noise?

**2019年10月20日35分29秒**

vini, the ones that can get away with it!

**2019年10月20日35分29秒**

I needed a way of finding these pixels (impulse)

**2019年10月20日35分29秒**

I've edited it.

**1970年01月01日00分03秒**

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