Edge extraction
From AWF-Wiki
(Difference between revisions)
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This filter computes the gradient magnitude of the image at each pixel. | 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.