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Results of the software approach

The software package was called OrientAL, referring to the important step or orienting the archaeological aerial images (German: Archäologische Luftbilder or AL). OrientAL relies on the exterior orientation values provided by the GNSS/IMU or computes them automatically during the SfM step. Besides the relative image orientation, OrientAL also aims to automate the process of absolute orientation by automatically extracting GCPs from existing datasets.

An overview of the software approach and the first results can be found here:

Karel, W., Doneus, M., Verhoeven, G., Briese, C., Ressl, C., Pfeifer, N., 2013. OrientAL – Automatic geo-referencing and ortho-rectification of archaeological aerial photographs. ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences II-5/W1, 175–180. DOI: 10.5194/isprsannals-II-5-W1-175-2013.

Karel, W., Doneus, M., Briese, C., Verhoeven, G., Pfeifer, N., 2014. Investigation on the Automatic Geo-Referencing of Archaeological UAV Photographs by Correlation with Pre-Existing Ortho-Photos, in: Proceedings of the ISPRS Technical Commission V Symposium, Riva del Garda, Italy. 23–25 June 2014. ISPRS Archives XL-5, pp. 307–312 DOI: 10.5194/isprsarchives-XL-5-307-2014.

The papers can be downloaded Opens internal link in current windowhere, while the first OrientAL poster can be found below (and download Opens internal link in current windowhere).

The OrientAL poster explaining the workflow and initial realization of the software approach.
FWF-Project P24116-N23:
Automated (ortho)rectification of archaeological aerial photographs

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