Do it with the GIMPBasic Areal EffectsBlurGaussian BlurDemo of IIR Gauss. Blur Demo of IIR Gauss. Blur


  1. Open lena.png.
  2. Select <Image> Filters Blur "Gaussian Blur..."
  3. Select radii of x = 5 and y = 5.
  4. Select "IIR" for the Blur Method.
  5. Press the "OK" Button.
  6. Optionally select different images or radii and play with it.

Written by Shlomi Fish