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Revista de Arquitectura (Bogotá)
Print version ISSN 1657-0308On-line version ISSN 2357-626X
Abstract
NERO, Marcelo Antonio et al. Positional accuracy in close-range photogrammetry through Topography and Geodesy. Rev. Arquit. (Bogotá) [online]. 2023, vol.25, n.2, pp.60-68. Epub Jan 23, 2024. ISSN 1657-0308. https://doi.org/10.14718/revarq.2023.25.3659.
Computational three-dimensional modelling can be used to reconstruct real-world objects with all their details and conservation conditions. Photogrammetry offers products with accuracy, in addition to the flexibility of execution of simple and complex projects, according to the simplicity and speed in data acquisition. The three-dimensional (3D) and georefer-enced modelling allows the documentation of the object that was mapped by means of the location. This paper presents a methodology based on topographic and geodetic techniques with georeferencing applied to three-dimensional modelling of architectural forms with the use of digital close-range photogrammetry. The measurements made on the digital product obtained and the same measurements made using precision topography were compared considering the conversion of coordinates to the same projection and reference systems. Finally, the statistical validation and quantification in terms of the positional accuracy of the final product were performed.
Keywords : digital close-range photogrammetry; geodesics; georefer-encing; quality control; topography.