This dataset provides a comprehensive, multi-scale structural library for dominant Central European tree species, designed primarily to facilitate the training and validation of machine learning algorithms in forest remote sensing. The collection is structured into two main scales: individual trees and forest plots.
At the individual tree level, the repository contains 3,618 detailed TLS point clouds with semantically separated wood and foliage components. Fully reconstructed 3D representations are provided for a selected subset, combining QSMs for woody architecture with procedurally generated 3D foliage meshes.
At the plot level, the dataset includes approximately 15,000 synthetic 50 \u00d7 50 m ALS scenes. These virtual plots were spatially assembled using the Forest Factory growth model and subsequently simulated via the Helios++ radiative transfer model. The simulation parameters strictly mimic real-world flight configurations of the CzechGlobe airborne LiDAR system, providing data at both standard (8p) and high-density (16p) resolutions.
This repository offers a robust, pre-annotated ground-truth baseline for developing advanced retrieval algorithms for forest structural properties, such as DBH or biomass, overcoming the logistical limitations of field data collection.
", "type": {"id": "abstract", "title": {"cs": "Abstrakt", "de": "Abstract", "en": "Abstract", "es": "Resumen", "sv": "Abstract"}}, "lang": {"id": "ENG", "title": {"cs": "angli\u010dtina", "en": "English"}}}, {"description": "This dataset accompanies the manuscript \"Dataset of Individual Tree Point Clouds, 3D Representations, and Virtual Airborne Laser Scanning Scenes for Central European Tree Species\". It contains individual tree TLS point clouds, semantically separated 3D representations combining wood QSMs and foliage meshes, and procedurally generated synthetic ALS scenes. The foundational TLS data encompass 3,618 individual trees representing dominant Central European species. These structural templates were dynamically assembled into approximately 15,000 virtual 50 \u00d7 50 m spatial grids using the Forest Factory growth model. Multi-resolution ALS point clouds were subsequently simulated from these scenes via the Helios++ radiative transfer model. 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