Geoscan Forest
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Plugin allows to search for tree tops and perform tree crowns segmentation on orthomosaic.
The approximate spatial resolution of input orthomosaic should be about 5 centimeters per pixel.
Send any feedback via support@geoscan.aero or using Geoscan forum_ .
.. _Geoscan forum: https://www.geoscan.aero/forum/viewforum.php?f=85
.. image:: geoscan_forest.jpg
Installation:
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- Launch QGIS 3.x with Admin privileges
- Select Manage and install plugins.. command from the Plugins menu
- Search for Geoscan Forest plugin
- Install Geoscan Forest plugin
- Approve dependencies installation
Getting started:
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- Add a raster layer with an orthomosaic to the QGIS project (Layer -> Add Raster Layer)
- Open the plugin window and select the path to the directory where to save the results in GeoJSON format.
- Click Compute button.
Options:
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- Window size - you may set the size of the tile that is processed in one iteration of the work (too large tiles require a large amount of RAM)
- Crone segmentation - you may enable or disable crone segmentation depending on your needs
- Search area - you may perform tree search for whole orthomosaic or for given region - polygon
Dependencies:
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- skimage
- scipy
- geojson
- shapely
In case you install plugin via QGIS Plugin Installer, all dependencies will be installed automatically.
Manual dependencies instalation:
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- Launch OSGeo4W Shell console with Admin privileges
- Make sure that default version of python is 3.x, if not use py3_env command
- Install dependencies:
.. code-block:: python
python -m install scikit-image
python -m install geojson
[python -m install scipy]
[python -m install shapely]
License:
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The plugin is licensed under GNU GENERAL PUBLIC LICENSE Version 2