Median filter

Median filter to smooth image and remove noise.

1. Select "Median" on the "Filter toolbox" screen.
   
2. Specify "Kernel size". The higher the value, the stronger the filter will be applied.
3. Click the "Preview" button to see a preview.
   
   
   
4. Click [APPLY].
   
   Median filter sorts values around a pixel and sets median value to the pixel.