8.7. Image Gradient
| 8. Фильтры выделения края |

### 8.7. Image Gradient

#### 8.7.1. Общая информация

Рисунок 17.172. Applying example for the Image Gradient filter

Исходное изображение

Filter «Image Gradient» applied with default options.

Filter «Image Gradient» applied with Direction option.

This filter detects edges in one or two gradient directions.

#### 8.7.2. Местонахождение

You can find this filter through Filters → Edge-Detect → Image Gradient….

#### 8.7.3. Параметры

Рисунок 17.173. Image Gradient filter options

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

  | Примечание
  Эти параметры описываются в Раздел 2, «Общие свойства».

Output mode

  Magnitude is default: it combines both directions. Direction: only one direction is used. Both is like Magnitude.

  Рисунок 17.174. Output mode examples

  Original image, with abrupt luminosity change

  Option Magnitude is selected

  Option Direction is selected. In result, black is no edge detected, white is edge detected.

8.6. Собел |  | 9. Общие фильтры

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