Published February 2025 | Version 1.0.0
Software Open

PyExpress - Automating Workflows for 3D Point Cloud Reconstruction of Image Data

  • 1. ROR icon Helmholtz Centre for Environmental Research
  • 2. ROR icon German Federal Environment Agency

Description

PyExpress version 1.0 is a Python library for automating photogrammetric image processing using the Agisoft Metashape Python API.
It extends Metashape’s functionality, for example, by adding utility and data management tools, and offers a range of methods for developing tailored, 
fully automated workflows for photogrammetric analysis on images captured by UAVs and fixed camera systems.
Additionally, PyExpress supports 4D photogrammetry for continuous monitoring with fixed stereo camera setups, and integrates with MinIO for efficient cloud storage management. It automates the generation of point clouds, orthomosaics, DEMs, 3D models, precision maps, and more. Thus, PyExpress generates data products or time-series of data products, serving various applications such as GIS, CloudCompare, or precision mapping.

Files

PyExpress-1.0.0.zip

Files (66.5 MB)

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Additional details

Funding

Federal Ministry of Food and Agriculture
Experiment field for data-driven networking and digitalization in agriculture 28DE102B18
Helmholtz Association of German Research Centres

Software

Repository URL
https://github.com/Helmholtz-UFZ/PyExpress.git
Programming language
Python
Development Status
Active

References

  • Kobe, M., Elias, M., Merbach, I., Schädler, M., Bumberger, J., Pause, M., Mollenhauer, H., 2024. Automated Workflow for High-Resolution 4D Vegetation Monitoring Using Stereo Vision. Remote Sens. 16, 541. https://doi.org/10.3390/rs16030541