Geoscan Forest

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 [email protected] or using Geoscan forum .

Installation:

• 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:

• 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:

• 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:

• skimage
• scipy
• geojson
• shapely

In case you install plugin via QGIS Plugin Installer, all dependencies will be installed automatically.

Manual dependencies instalation:

• 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:

python -m install scikit-image
python -m install geojson

[python -m install scipy]
[python -m install shapely]

License:

The plugin is licensed under GNU GENERAL PUBLIC LICENSE Version 2