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Method of photogrammetric processing of scanning electron microscope – images for research of soil microsurfaces

Ivanchuk Oleh, Mazur Andrzej, Kępowicz Barbara

Advances in Science and Technology. Research Journal

2025

Vol. 19, no. 6

131--139

The paper presents the method of photogrammetric processing of SEM images and the results of its application to determine the spatial coordinates of the points of the microsoil of the forest soil by measuring their SEM images, obtained on SEM "Hitachi" S800 with a magnification of 1000x. Depending on the magnification (scale) of the SEM images, the accuracy of the method is: for M = 1000x mX,Y = ~ 0.1 μm, mZ(h) = ~ 1.0 μm, and for magnification M = 25000x - mX,Y = ~ 0.01 μm, mZ(h) = ~ 0.1 μm. The article presents an unusual workflow based on processing in Dimicros, as well as examples of graphic interpretation of digital modeling of the forest soil surface microrelief in the form of microplanes with levels and 3D models obtained using the Surfer program. This information allows us to learn about the physical and mechanical properties of the soil, its structure, and its resistance to erosion, which is important in construction and environmental protection.