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Implementing Functional Modularity for Processing of General Photogrammetric Data with the Damped Bundle Adjustment Toolbox (DBAT)
Umeå University, Faculty of Science and Technology, Department of Computing Science.ORCID iD: 0000-0002-7657-6917
INSA Strasbourg, France. (ICube Laboratory UMR 7357, Photogrammetry and Geomatics Group)ORCID iD: 0000-0002-3310-8937
INSA Strasbourg, France. (ICube Laboratory UMR 7357, Photogrammetry and Geomatics Group)ORCID iD: 0000-0002-7292-2755
2019 (English)In: Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2/W17, 69–75, 2019 / [ed] P. Grussenmeyer, A. Murtiyoso, H. Macher, and R. Assi, 2019, Vol. XLII-2/W17, p. 69-75Conference paper, Published paper (Refereed)
Abstract [en]

The Damped Bundle Adjustment Toolbox (DBAT) is a free, open-source, toolbox for bundle adjustment. The purpose of DBAT is to provide an independent, open-source toolkit for statistically rigorous bundle adjustment computations. The capabilities include bundle adjustment, network analysis, point filtering, forward intersection, spatial intersection, plotting functions, and computations of quality indicators such as posterior covariance estimates and parameter correlations. DBAT is written in the high-level Matlab language and includes several processing example files. The input formats have so far been restricted to PhotoModeler export files and Photoscan (Metashape) native files. Fine-tuning of the processing has so far required knowledge of the Matlab language.

This paper describes the development of a scripting language based on the XML (eXtensible Markup Language) language that allow the user a fine-grained control over what operations are applied to the input data, while keeping the needed programming skills at a minimum. Furthermore, the scripting language allows a wide range of input formats. Additionally, the XML format allows simple extension of the script file format both in terms of adding new operations, file formats, or adding parameters to existing operations. Overall, the script files will in principle allow DBAT to process any kind of photogrammetric input and should extend the usability of DBAT as a scientific and teaching tool for photogrammetric computations.

Place, publisher, year, edition, pages
2019. Vol. XLII-2/W17, p. 69-75
Keywords [en]
open-source software, bundle adjustment, flexible computations, photogrammetry
National Category
Computational Mathematics
Research subject
computer and systems sciences; Public health
Identifiers
URN: urn:nbn:se:umu:diva-166060DOI: 10.5194/isprs-archives-XLII-2-W17-69-2019OAI: oai:DiVA.org:umu-166060DiVA, id: diva2:1376621
Conference
6th International Workshop LowCost 3D – Sensors, Algorithms, Applications, Strasbourg, France, December 2-3, 2019
Available from: 2019-12-09 Created: 2019-12-09 Last updated: 2019-12-12Bibliographically approved

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