The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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Articles | Volume XLVI-2/W1-2022
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-2/W1-2022, 513–520, 2022
https://doi.org/10.5194/isprs-archives-XLVI-2-W1-2022-513-2022
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-2/W1-2022, 513–520, 2022
https://doi.org/10.5194/isprs-archives-XLVI-2-W1-2022-513-2022

  25 Feb 2022

25 Feb 2022

PROJECT INDIGO – DOCUMENT, DISSEMINATE & ANALYSE A GRAFFITI-SCAPE

G. Verhoeven1, B. Wild2, J. Schlegel1, M. Wieser3, N. Pfeifer2, S. Wogrin4, L. Eysn5, M. Carloni6, B. Koschiček-Krombholz6, A. Molada-Tebar7, J. Otepka-Schremmer2, C. Ressl2, M. Trognitz6, and A. Watzinger6 G. Verhoeven et al.
  • 1Ludwig Boltzmann Gesellschaft - LBI ArchPro, Austria
  • 2TU Vienna - Geo Department, Austria
  • 3Independent researcher
  • 4SprayCity, Austria
  • 5City of Vienna, Municipal Department 41 - Surveying and Mapping, Austria
  • 6Austrian Centre for Digital Humanities and Cultural Heritage, Austria
  • 7Polytechnic Univ. of Valencia, Dept. of Cartographic Engineering, Geodesy, and Photogrammetry, Spain

Keywords: graffiti, heritage science, image-based modelling, laser scanning, photography, street art, structure from motion

Abstract. Graffiti is a short-lived form of heritage balancing between tangible and intangible, offensive and pleasant. Graffiti makes people laugh, wonder, angry, think. These conflicting traits are all present along Vienna's Donaukanal (Eng. Danube Canal), a recreational hotspot – located in the city's heart – famous for its endless display of graffiti. The graffiti-focused heritage science project INDIGO aims to build the basis to systematically document, monitor, and analyse circa 13 km of Donaukanal graffiti in the next decade. The first part of this paper details INDIGO's goals and overarching methodological framework, simultaneously placing it into the broader landscape of graffiti research. The second part of the text concentrates on INDIGO's graffiti documentation activities. Given the project's aim to create a spatially, spectrally, and temporally accurate record of all possible mark-makings attached in (il)legal ways to the public urban surfaces of the Donaukanal, it seems appropriate to provide insights on the photographic plus image-based modelling activities that form the foundation of INDIGO's graffiti recording strategy. The text ends with some envisioned strategies to streamline image acquisition and process the anticipated hundreds of thousands of images.