Apply the Selective Gaussian Blur to an Image in GIMP - VisiHow
2.3. Gaussian Blur
GIMP 2.10.20 Released with Improved Crop Tool, New Blur Filters - OMG! Ubuntu
How to Blur Images and Background using GIMP
3.11. Convolve (Blur/Sharpen)
Conprehensive Guide] How to Sharpen An Image in GIMP
How to Censor an Image Part with GIMP – Better Tech Tips
Reduce Motion Blur Using the GIMP : 6 Steps - Instructables
GIMP/Gaussian Blur - Wikibooks, open books for an open world
3.15. Blur/Sharpen
How to Make the Background Blurry in GIMP
3.14. Blur/Sharpen
rgb - In GIMP, how do I get the smudge/blur tools to work properly? - Graphic Design Stack Exchange
3.16. Smudge
I made a new Gimp plugin that sharpens images with many different algorithms. It is like Gimp's "High pass" filter but with many more options. IMO, Median Sharpen is best. Follow simple
GIMP 2.10.20 Released - GIMP
Gimp Filters: Gaussian Blur - YouTube
Blur Effect in GIMP | Illustrations to create Blur Effect in GIMP