4.5. Noise Reduction
| 4. Enhance Filters |

### 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

Figure 17.40. Noise Reduction filter options

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

  | Note
  These options are described in Section 2, “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

4.4. High Pass |  | 4.6. Red Eye Removal

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