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 FiltersEnhanceNoise Reduction….

4.5.3. Options

图 17.32. Noise Reduction filter options

Noise Reduction filter options

Presets, Preview, Split view

These options are common to GEGL-based filters. Please refer to 第 2 节 “Common Features”.

Strength

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

4.5.4. Example

Original

Filter applied. Strength = 5