Articles | Volume 7, issue 1
Research article
16 Jan 2019
Research article |  | 16 Jan 2019

A method based on structure-from-motion photogrammetry to generate sub-millimetre-resolution digital elevation models for investigating rock breakdown features

Ankit Kumar Verma and Mary Carol Bourke

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Cited articles

Aguilar, M., Aguilar, F., and Negreiros, J.: Off-the-shelf laser scanning and close-range digital photogrammetry for measuring agricultural soils microrelief, Biosyst. Eng., 103, 504–517,, 2009. 
Andrews, D. P., Bedford, J., and Bryan, P. G.: A COMPARISON OF LASER SCANNING AND STRUCTURE FROM MOTION AS APPLIED TO THE GREAT BARN AT HARMONDSWORTH, UK, Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-5/W2, 31–36,, 2013. 
Bakker, M. and Lane, S. N.: Archival photogrammetric analysis of river–floodplain systems using Structure from Motion (SfM) methods, Earth Surf. Proc. Land., 42, 1274–1286,, 2016. 
Balaguer-Puig, M., Marqués-Mateu, Á., Lerma, J. L., and Ibáñez-Asensio, S.: Estimation of small-scale soil erosion in laboratory experiments with Structure from Motion photogrammetry, Geomorphology, 295, 285–296,, 2017. 
Bedford, J.: Photogrammetric Applications for Cultural Heritage, Guidance for Good Practice, Historic England, 2017. 
Short summary
The article describes the development of a portable triangle control target to register structure-from-motion-derived topographic data. We were able to generate sub-millimetre-resolution 3-D models with sub-millimetre accuracy. We verified the accuracy of our models in an experiment and demonstrated the potential of our method by collecting microtopographic data on weathered Moenkopi sandstone in Arizona. The results from our study confirm the efficacy of our method at sub-millimetre scale.