4.5. Noise Reduction

4.5.1. Overview

A simple GEGL filter to reduce noise.

4.5.2. Activating the filter

You can find this filter through Filters → Enhance → Noise Reduction….

4.5.3. Options

图 17.40. Noise Reduction filter options

Noise Reduction filter options

Presets, “Input Type”, Clipping, Blending Options, Preview, Split view

[注意]注意

These options are described in 第 2 节 “Common Features”.

Strength

Increasing Strength lessens noise, and increases blur: find compromise using the on-canvas preview.

4.5.4. Example

4.5. Noise Reduction - 图3

Original

4.5. Noise Reduction - 图4

Filter applied. Strength = 5