The SWSC Compilation Algorithm enhancing the reliability and accuracy of determining rectangular co-ordinates of corners of building structures with photogrammetric method

Abstract The study investigated a set of data in the form of rectangular co-ordinates X, Y of the corners of building eaves defined with the photogrammetric method and additional measurements which were used to develop a computing procedure offering a greater reliability and accuracy of defining the position (co-ordinates X, Y) of the corners of the objects under study. The scope of the study included developing an algorithm able to carry out the above objectives and a making a comparative and statistical analysis of the obtained results. The SWSC Compilation Algorithm has been well tested on existing real structures. The objects were divided into two samples with, respectively, 143 (sample 1) and 101 (sample 2) building corners. A comparison of co-ordinates of the building corners (in both samples) done after running the SWSC Compilation Algorithm with reference data, produced a linear deviation of an average arithmetic value 0.05 m.

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