Line segment extraction
From AWF-Wiki
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* Type into the shell: {{typed|text=otbgui_LineSegementDetection}}. Select a multiband input file. Parameter tuning is not necessary. | * Type into the shell: {{typed|text=otbgui_LineSegementDetection}}. Select a multiband input file. Parameter tuning is not necessary. | ||
[[File:Qgis_edge_line.png|700px]] | [[File:Qgis_edge_line.png|700px]] | ||
| − | + | {| class="wikitable" | |
| + | |style="border: 0pt" | [[file:Qgis_goe_line.png|thumb|left|450px|'''Figure A:''' Input image: pansharpend Sentinel-2 composite (RGB= B7,B6,B5) overlaid with detected line vectors (red]] | ||
| + | |} | ||
[[category:Spatial Filtering]] | [[category:Spatial Filtering]] | ||
Revision as of 12:49, 20 November 2017
The Line Segment Detection application (LSD) detects locally straight contours in an image and was published by Grompone et al. (2012). It is based on a spatial edge extraction filter.
- In the Search box of the Windows Start menu type OSGeo4W Shell. You should be able to open the shell by clicking on it.
- Type into the shell: otbgui_LineSegementDetection. Select a multiband input file. Parameter tuning is not necessary.
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