A simple GEGL filter to reduce noise.
You can find this filter through Filters → Enhance → Noise Reduction….
Fig. 17.40. Noise Reduction filter options
Aceste opțiuni sunt descrise în Secțiune 2, „Caracteristici obișnuite”.
Increasing Strength lessens noise, and increases blur: find compromise using the on-canvas preview.
Original
Filter applied. Strength = 5