### 7.2. CIE lch Noise

#### 7.2.1. Overview

Obrázek 17.155. Example of applying the „CIE lch Noise“ filter

Original image

Filter applied

The CIE lch Noise filter creates noise in the active layer or selection by using the Lightness, Chroma, Hue color model, according to the CIE („Compagnie Internationale de l'Éclairage“) specifications.

#### 7.2.2. Activating the Filter

This filter is found in the main menu under Filters → Noise → CIE lch Noise….

#### 7.2.3. Options

Obrázek 17.156. „CIE lch Noise“ filter options

Presets, „Input Type“, Clipping, Blending Options, Preview, Merge filter, Split view

  | Poznámka
  These options are described in 2 – „Common Features“.

Dulling

  This slider (1 - 8) controls the randomness of the noise: a high value lowers the randomness.

Lightness

  This slider changes the lightness of the noise.

Chroma

  This slider changes the chroma of the pixels in a random pattern (percentage of a white of the same lightness).

Odstín

  This slider changes the hue of the pixels in a random pattern. A higher value will increase the average change from the original pixel color.

Hnízdo náhodných čísel, New Seed

  This option controls the randomness of the filter. The Random seed box lets you manually enter a seed for the randomization algorithm used. You can also generate a random seed by pressing the New Seed button. If the same random seed is used in the same situation, the filter produces exactly the same results. A different random seed produces different results.

7. Filtry šum |  | 7.3. HSV šum

Report a bug in GIMP Report a documentation error