A simple GEGL filter to reduce noise.
This filter is found in the main menu under Filters → Enhance → Noise Reduction….
Afbeelding 17.39. Noise Reduction filter options
Deze opties staan beschreven in Paragraaf 2, “Algemene Eigenschappen”.
Increasing Strength lessens noise, and increases blur: find compromise using the on-canvas preview.
Original
Filter applied. Strength = 5