8.7. Image Gradient

8.7.1. 概観

図17.169 Applying example for the Image Gradient filter

Applying example for the Image Gradient filter

元画像

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 main menu under FiltersEdge-DetectImage Gradient….

8.7.3. オプション

図17.170 Image Gradient filter options

Image Gradient filter options

Presets, Input Type, Clipping, Blending Options, プレビュー, Merge filter, Split view
[注記] 注記

These options are described in 「Common Features」.

Output mode

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

図17.171 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.