The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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Articles | Volume XLIII-B2-2021
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B2-2021, 875–882, 2021
https://doi.org/10.5194/isprs-archives-XLIII-B2-2021-875-2021
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B2-2021, 875–882, 2021
https://doi.org/10.5194/isprs-archives-XLIII-B2-2021-875-2021

  28 Jun 2021

28 Jun 2021

THE MEMORY OF A 2ND WW CAMP: 3D MODELING USING THE COMBINATION OF HYBRID TECHNOLOGIES

M. Koehl1, Y. Seddik1, A. Calay1, J. Brangé2, M. Landolt3, F. Basoge4, S. Guillemin1, and L. Lutz5 M. Koehl et al.
  • 1Université de Strasbourg, CNRS, INSA Strasbourg, ICube Laboratory UMR 7357, Photogrammetry and Geomatics Group, 67000, Strasbourg, France
  • 2Université de Strasbourg, Faculté des Sciences Historiques - 67000 Strasbourg, France
  • 3Ministère de la Culture, DRAC du Grand Est – 57045 Metz, UMR 7044, France
  • 4Archéologie Alsace, 67600 Sélestat, France
  • 5Historian, 67000 Strasbourg, France

Keywords: 3D Modeling, TLS, Photogrammetry, UAV, Hybrid modeling, Historic buildings

Abstract. The Natzweiler-Struthof camp is the only concentration camp in France, in Alsace. In 1941, when the construction of this camp began, the Nazi regime had already set up several concentration camps in annexed territory. The purpose of this camp was mainly to intern the resistance considered dangerous for the regime. From a chronological point of view, the camp integrated in May 1941 its first prisoners. They were condemned to carry out inhumane work until the evacuation of the camp on September 2, 1944. The Natzweiler-Struthof camp was associated with a granite quarry where we can still find concrete foundations of old buildings as well as three galleries excavated with explosives. The digitization work aims to archive, analyze and understand the organization and operation to result in a 3D reconstruction of the site. In 2018, the Struthof site began a major restoration project. For the first time in this camp, an archaeological diagnosis was then made with the aim of understanding the still existing facilities and assuming the presence of other elements now destroyed. To deepen the knowledge on this camp, the Regional Administration of Cultural Affairs authorized in 2020 to carry out prospecting accompanied by a study of the built-up in an area still empty of research: the quarry. Currently, this part of the camp shows the remains of three buildings and three galleries. To know more about these elements and indirectly about the life of the camp and its prisoners, this study shows the approach adopted to prepare the 3D modeling of buildings and galleries.