PhenoFly_data_processing_tools.zip (119.23 MB)

PhenoFly Data Processing Tools: Image projection and plot-based sample extraction

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posted on 19.07.2019 by Lukas Roth
Sample scripts to project images on a digital terrain model (DTM), followed by plot-based sample extraction Development repository: https://gitlab.ethz.ch/crop_phenotyping/PhenoFly_data_processing_tools Based on: Roth, Aasen, Walter, Liebisch 2018: Extracting leaf area index using viewing geometry effects—A new perspective on high-resolution unmanned aerial system photography, ISPRS Journal of Photogrammetry and Remote Sensing. https://doi.org/10.1016/j.isprsjprs.2018.04.012 Example (see Demo.py): Input: Agisoft camera position file (_TestData/sonyDX100II/camera_position_RGB.txt) Digital terrain model in STL file format (_TestData/sonyDX100II/DTM.stl) Folder with images (_TestData/sonyDX100II/raw/) Polygon sampling layer in geoJSON format (_TestData/sonyDX100II/samples_plots.geojson) Output: Per-image coordinate and viewpoint information (_Demo_output/dg/) Image boundaries in wold coordinates as geoJSON (_Demo_output/dg/DG_field_of_views.geojson) Extracted plot-based image parts (_Demo_output/samples/) Viewpoint of each extracted sample (_Demo_output/samples/viewpoint.csv)

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