Ολιστική μεθοδολογία για την 3δ ψηφιοποίηση και 3δ οπτικοποίηση μνημείων πολιτισμικής κληρονομιάς με επίγεια και εναέρια μέσα
Holistic methodology for the 3d digitization and 3d visualization of cultural heritage monuments using terrestrial and aerial means

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Keywords
3Δ ; ΣμηΕΑ ; Drone ; Laser scanner ; 3Δ ψηφιοποίηση ; 3Δ οπτικοποίηση ; Επίγεια μέσα ; Εναέρια μέσα ; Μνημεία πολιτισμικής κληρονομιάςAbstract
This thesis proposes a comprehensive and systematic methodology for the three-dimensional (3D) digitization and visualization of cultural heritage monuments, utilizing both terrestrial and aerial approaches. The objective is to establish a unified framework—a methodological reference point—that can serve as a foundation for future efforts in the documentation and digital preservation of cultural heritage. By offering a standardized process, this work aims to support both professionals and non-specialists, regardless of project scale, in avoiding common methodological pitfalls that often result in inefficiencies or inaccuracies.
The thesis is structured in two main sections. The first section outlines the theoretical and technical background of 3D digitization and visualization, providing a detailed discussion on the use of terrestrial laser scanning, photogrammetry, unmanned aerial systems (UAS), and geodetic surveying techniques. This part establishes the scientific and technological context necessary for informed application.
The second section presents a practical implementation of the proposed methodology through a case study involving the use of a UAS to document the remnants of an archaeological site undergoing advanced structural degradation. This application demonstrates how 3D models can contribute to the digital reconstruction of monuments and serve as long-term archival resources. Such digital representations are vital for safeguarding cultural heritage against potential future threats, including environmental degradation, natural disasters (e.g., earthquakes, fires), and anthropogenic destruction (e.g., armed conflict).
Data acquisition for the case study was conducted using a DJI Mini 3 drone, while the processing and generation of the 3D model were carried out using Agisoft Metashape software.


