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

Figuur 17.34. Noise Reduction filter options

Noise Reduction filter options

Presets, Preview, Split view

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

Strength

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

Clipping

The result of this filter can be larger than the original image. With the default Adjust option, the layer will be automatically resized as necessary when the filter is applied. With the Clip option the result will be clipped to the layer boundary.

4.5.4. Example

Original

Filter applied. Strength = 5