Creation of 3D infrastructure model from UAV and TLS data in the frame of PROION project

Konstantinos Nikolakopoulos; Aggeliki Kyriou

doi:10.1117/12.2680706

21 September 2023 Creation of 3D infrastructure model from UAV and TLS data in the frame of PROION project

Konstantinos Nikolakopoulos, Aggeliki Kyriou

Proceedings Volume 12786, Ninth International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2023); 127860R (2023) https://doi.org/10.1117/12.2680706
Event: Ninth International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2023), 2023, Ayia Napa, Cyprus

Abstract

Mapping and monitoring of the Earth’s surface is a three-dimensional question. In any geological, hydrological, vegetation science, urban or ecological planning application there is a need for accurate Digital Elevation Model in order to extract the absolute surface elevation and terrain form (slope, aspect, etc.) information. Other applications, including city modelling and simulation, civil infrastructure monitoring, disaster management and emergency response, require 3D building models of high fidelity and accuracy. In the past, aerial photos or high-resolution satellite data and photogrammetry provided the necessary 3D information. In recent years, aerial images acquired by an Unmanned Aerial Vehicle (UAV) and point clouds derived from Terrestrial of airborne Laser scanners have become the mainstream solutions to 3D reconstruction of photorealistic 3D building models due to its cost-effectiveness and convenience. PROION project carries out an infrastructure monitoring methodology based on remote sensing and in situ measurements. Massive infrastructure like the building of Geology Department and Asteri dam in the Western Greece territory are surveyed using data from SAR interferometry, GNSS and micro-accelerometers sensors. In the frame of such a monitoring there is a need for very fine and highly accurate 3D infrastructure (city) model. The specific study evaluates the spatial resolution and accuracy of a 3D model derived from UAV and TLS data and compares it with classical DSM produced by Pleiades data and other high-resolution optical data in the frame of Copernicus program.

Citation Download Citation

Konstantinos Nikolakopoulos and Aggeliki Kyriou "Creation of 3D infrastructure model from UAV and TLS data in the frame of PROION project", Proc. SPIE 12786, Ninth International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2023), 127860R (21 September 2023); https://doi.org/10.1117/12.2680706

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KEYWORDS

3D modeling

Unmanned aerial vehicles

Data modeling

Point clouds

Orthophoto maps

Satellites

3D image processing

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