8.7. Image Gradient

8.7.1. Общая информация

Рисунок 17.170. Applying example for the Image Gradient filter

Applying example for the Image Gradient filter

Исходное изображение

Applying example for the Image Gradient filter

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. Activating the Filter

This filter is found in the image window menu under FiltersEdge-DetectImage Gradient….

8.7.3. Параметры

Рисунок 17.171. Image Gradient filter options

Image Gradient filter options

Presets, «Input Type», Clipping, Blending Options, Preview, Split view
[Примечание] 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 17.172. Output mode examples

Output mode examples

Original image, with abrupt luminosity change

Output mode examples

Option Magnitude is selected

Output mode examples

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