8.7. Image Gradient
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8.7. Image Gradient

8.7.1. Pregled

Slika 17.169. Applying example for the Image Gradient filter

Applying example for the Image Gradient filter

Original image

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 Filters → Edge-Detect → Image Gradient….

8.7.3. Možnosti

Slika 17.170. Image Gradient filter options

Image Gradient filter options

Presets, “Input Type”, Clipping, Blending Options, Predogled, Merge filter, Split view
[Opomba] Opomba

These options are described in Razdelek 2, “Common Features”.

Output mode

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

Slika 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.


Nazaj  Gor  Naprej
8.6. Sobel  Domov  9. Generic Filters
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