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Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
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Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Serbia
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Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Serbia
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Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Serbia
Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
The photogrammetric survey of buildings is a beneficial process to obtain accurate 3D data for facade inspection. It allows more straightforward monitoring of the state of the facade over time. An orthomosaic with an average ground sampling distance of 2.1 mm is created using close-range unmanned aerial vehicle photogrammetry. Ground control points, determined with millimeter accuracy from the geodetic network, were used for georeferencing. Resulting in an average ground control points residual of 1.6 mm. Based on the created orthomosaic, visual detection of cracks in the facade was performed. Also, an orthomosaic created with this accuracy can be a basis for automatic tools for detecting cracks on the facade.
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