ISPRS-Annals ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences ISPRS-Annals ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. 2194-9050 Copernicus Publications Göttingen, Germany 10.5194/isprs-annals-X-4-W4-2024-1-2024 Preface Pantazis Dimos N. ¹ Karanikolas Nikitas N. ² Vassilakopoulos Michael ³ Coors Volker ⁴ Voyiatzis Ioannis ² Ellul Claire https://orcid.org/0000-0002-9791-0259 ⁵ 1 Department of Surveying and Geoinformatics Engineering, Research laboratory S.O.C.R.A.T.E.S., University of West Attica, Greece 2 Department of Informatics and Computer Engineering, University of West Attica, Greece 3 Department of Electrical and Computer Engineering, University of Thessaly, Greece 4 Institute for Applied Research, Stuttgart University of Applied Sciences (Hochschule für Technik Stuttgart), Germany 5 Department of Civil, Environmental & Geomatic Engineering, University College London, UK 31 05 2024 X-4/W4-2024 1 4 Copyright: © 2024 Dimos N. Pantazis et al. 2024 This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this licence, visit https://creativecommons.org/licenses/by/4.0/ This article is available from https://isprs-annals.copernicus.org/articles/X-4-W4-2024/1/2024/isprs-annals-X-4-W4-2024-1-2024.html The full text article is available as a PDF file from https://isprs-annals.copernicus.org/articles/X-4-W4-2024/1/2024/isprs-annals-X-4-W4-2024-1-2024.pdf