### 4.5. Noise Reduction

#### 4.5.1. Overview

Рисунок 17.42. Example for the «Noise Reduction» filter

Original image

«Noise Reduction» applied. Strength = 5

A simple GEGL filter to reduce noise.

#### 4.5.2. Activating the Filter

This filter is found in the main menu under Filters → Enhance → Noise Reduction….

#### 4.5.3. Options

Рисунок 17.43. Noise Reduction filter options

Presets, «Input Type», Clipping, Blending Options, Preview, Merge filter, Split view

  | Примітка
  These options are described in Розділ 2, «Common Features».

Strength

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

4.4. High Pass |  | 4.6. Red Eye Removal

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