### 8.23. Extract Component

#### 8.23.1. Overview

Figure 16.167. Extract Component applied

Original image

Command “Extract Component” applied with default options.

This command allows you to extract one specific color component from the current layer. This will be represented as a grayscale layer. It is similar to Decompose, except that it extracts only one component and the effect is performed on the current layer instead of creating a new image.

#### 8.23.2. Activating the Command

You can access this command from the main menu through Colors → Components → Extract Component….

#### 8.23.3. Options

Figure 16.168. “Extract Component” command options

Presets, Blending Options, Preview, Merge filter, Split view

  | Note
  These options are described in Section 8.1.2, “Colors Common Features”.

Component

  Component to extract. Default is RGB Red: all layer pixels that have the red component in their color will be extracted to create gray pixels; gray pixel value is that of the red channel (e.g a 153;70;17 RGB pixel will give a 153;153;153 gray pixel).

Invert component

  Invert all pixel values of the extracted component.

Linear output

  Use linear output instead of gamma corrected.

8.22. Channel Mixer |  | 8.24. Mono Mixer

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