7.6. Sobel
| 7. Edge-Detect Filters |

### 7.6. Sobel

#### 7.6.1. Pregled

Slika 17.148. Applying example of the Sobel filter

Original image

Filter “Sobel” applied

Sobel's filter detects horizontal and vertical edges separately on a scaled image. Color images are turned into RGB scaled images. As with the Laplace filter, the result is a transparent image with black lines and some rest of colors.

#### 7.6.2. Aktiviranje filtra

You can find this filter through Filters → Edge-Detect → Sobel.

#### 7.6.3. Možnosti

Slika 17.149. Sobel filter options

Predogled

  If checked, changes in the image are displayed in the Preview in real time before being applied to the image.

Vodoravni Sobel

  Renders near horizontal edges.

Navpični Sobel

  Renders near vertical edges.

Ohrani predznak rezultata

  This option allows you to set how the filter will work if you have selected one direction for use only: a flat relief with bumps and hollows will be created.

7.5. Neon |  | 8. Generic Filters

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