Edge extraction

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This filter computes the gradient magnitude of the image at each pixel.
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* In search engine of Processing Toolbox, type '''Edge extraction''' and select '''EdgeExtraction''' under Feature Extraction of Orfeo Toolbox.
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* Under the Parameters tab, select a single band or a multiband file as input layer.
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* Select a specific band number in case of a multiband file.
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* Select '''gradient''' as Edge Feature.
 
[[File:qgis_edge_extraction.png|400px]]
 
[[File:qgis_edge_extraction.png|400px]]
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[[category:Spatial Filtering]]
 
[[category:Spatial Filtering]]

Latest revision as of 16:26, 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

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