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Analysis of the Dimensional Accuracy of Point Clouds Created by Photographic Scanning

Kwieciński Karol, Paluch Maciej, Lisowska Aleksandra

Advances in Science and Technology. Research Journal

2024

Vol. 18, no 6

121--132

The article concerns the analysis of the dimensional accuracy of point clouds reproducing spatial objects made by photographic scanning in the Agisoft Metashape program. Due to the lack of available scientific literature describing the results of research on the accuracy of this type of objects created in the Metashape program, analyzes were carried out to determine it. In order to demonstrate the possibilities of wide application of point clouds also in opinion-making practice, three examples of objects with dimensions typical for the area of road accident research are described: a tread trace, a car and a fragment of a road. The obtained point clouds were compared with real objects in terms of dimensional accuracy. It was found that the method is able to provide very good accuracy, with a margin that meets the requirements of typical accident analysis.