How to compute variance of image in windows?

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Yohanes Setiawan
Yohanes Setiawan il 15 Mar 2019
Commentato: Bjorn Gustavsson il 15 Mar 2019
I read a paper about Guided Image Filtering. For edge preserving:
where is defined as the variance of input image whose centre is .
How to compute it in Matlab?
Thankyou.
  2 Commenti
Bjorn Gustavsson
Bjorn Gustavsson il 15 Mar 2019
If you have the image-processing toolbox have a look at wiener2:
edit wiener2
In there you can see how the local variance is calculated.
HTH

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