Modern photogrammetry technologies for object transformation on a 3D model

Abstract

The task of preserving architectural monuments, urban planning objects, and
engineering structures is prescribed in the Law of Ukraine on the Protection of Cultural
Heritage. Within the framework of the modern state of engineering structures and the
capabilities of modern software complexes, methods of preservation, visualization, and
maximum reproduction of objects in Ukraine are being developed. The model of the bridge
was chosen for the visualization studies of the structures. The available and accurate
method proposed in the work, which is easy to apply in practice, is the reverse engineering
digital photogrammetry method. The process is based on creating a three-dimensional
model from two-dimensional photographs using software. With its help, the user uploads
a set of photos to Autodesk servers and receives as a result a triangulated model of the
object with preservation of all real dimensions and with high-quality textures. The
obtained data was subsequently imported for further processing into another program of
this family - the Autodesk Inventor package. The Autodesk Inventor package has a
convenient interface and a large set of tools for modeling products. To demonstrate the
scope and level of processing of ReCap Photo, the options included in the application are
demonstrated in the work. The purpose of the article is to develop a sequence of scientific
research using digital photogrammetry. Setting the task. Based on the stage of evaluation
of priority processes, it is necessary to determine the key directions of research into the
digitization of objects and, based on the results of the evaluation, to propose a rational
model for the use of the reverse engineering method in the educational and scientific
activities of the Department of Computer Graphics. Highlighting previously unsolved parts
of the general problem. The Autodesk ReCap application processes DEM data. The
Сучасні технології та методи розрахунків у будівництві. Луцьк, ЛНТУ. 2024, Випуск 22
Modern technologies and methods of calculations in construction. Lutsk, LNTU. 2024, Volume 22
17
obtained DEM can be used in Autodesk Revit, etc. Autodesk packages for: the design and
reconstruction of bridges; reconstruction of damaged housing stock; restoration of
damaged infrastructure and much more. The application supports almost all laser
scanning file formats. Clouds of points, in addition, can be edited arbitrarily - delete them,
copy, highlight, or even add survey points. As a result, it demonstrated the possibility not
only of creating technical documentation but also of reconstructing objects with millimeter
accuracy. Visualization and design make it possible to exclude possible errors. Due to the
identity of the spatial virtual model and the real physical object, the accuracy and quality
of the design increase. Digitization of monuments of architecture and cultural heritage of
Ukraine, establishment of a legislative framework, and preservation of UNESCO
monuments are important scientific and practical tasks. Conclusions and prospects for
further developments in this direction. The proposed algorithm makes it possible to use the
Autodesk software complex to preserve the cultural heritage of Ukraine. It is worth noting
that under safe conditions, the proposed algorithm for visualization of cultural heritage
objects will be used in peacetime.