Edge extraction

From AWF-Wiki
(Difference between revisions)
Jump to: navigation, search
(Created page with " 400px category:Spatial Filtering")
 
 
(One intermediate revision by one user not shown)
Line 1: Line 1:
 
+
This filter computes the gradient magnitude of the image at each pixel.
 +
* In search engine of Processing Toolbox, type '''Edge extraction''' and select '''EdgeExtraction''' under Feature Extraction of Orfeo Toolbox.
 +
* Under the Parameters tab, select a single band or a multiband file as input layer.
 +
* Select a specific band number in case of a multiband file.
 +
* Select '''gradient''' as Edge Feature.
 
[[File:qgis_edge_extraction.png|400px]]
 
[[File:qgis_edge_extraction.png|400px]]
 +
 
[[category:Spatial Filtering]]
 
[[category:Spatial Filtering]]

Latest revision as of 15:26, 15 November 2019

This filter computes the gradient magnitude of the image at each pixel.

  • In search engine of Processing Toolbox, type Edge extraction and select EdgeExtraction under Feature Extraction of Orfeo Toolbox.
  • Under the Parameters tab, select a single band or a multiband file as input layer.
  • Select a specific band number in case of a multiband file.
  • Select gradient as Edge Feature.

Qgis edge extraction.png

Personal tools
Namespaces

Variants
Actions
Navigation
Development
Toolbox
Print/export