MAXIMIZING THE VALUE OF PHOTOGRAMMETRIC SURVEYS IN THE CONSERVATION OF WALL PAINTINGS

In the field of wall painting conservation, photogrammetric surveys are an increasingly common documentation tool. The outputs from these surveys, including captured images, orthophotos, and three-dimensional models, are used by conservators to monitor and record condition phenomena and conservation...

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Bibliographic Details
Published in:International archives of the photogrammetry, remote sensing and spatial information sciences. remote sensing and spatial information sciences., 2021-09, Vol.XLVI-M-1-2021, p.851-857
Main Authors: Wong, L., Rose, W., Dhanda, A., Flavin, A., Barazzetti, L., Ouimet, C., Santana Quintero, M.
Format: Article
Language:English
Subjects:
Colour
Conservation
Documentation
Photogrammetry
Polls & surveys
Spatial resolution
Surveys
Three dimensional models
Topography
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Summary:In the field of wall painting conservation, photogrammetric surveys are an increasingly common documentation tool. The outputs from these surveys, including captured images, orthophotos, and three-dimensional models, are used by conservators to monitor and record condition phenomena and conservation treatments. To serve these conservation needs, the outputs should have visual fidelity, meaning they are a close representation of the subject based on their spatial resolution, overall focus, even lighting and color accuracy. However, wall paintings present unique technical challenges for photogrammetry considering their often large scale, irregular topography, range of surface attributes, and access issues. As a documentation technique more commonly applied to capture the geometry of buildings and objects, using photogrammetry to record both the topography and fine surface details of a wall painting requires thorough planning. This paper examines specific challenges in documenting wall paintings and how collaboration between conservators and heritage-recording specialists has improved practice and maximized the value of photogrammetric surveys for conservation.
ISSN:2194-9034
1682-1750
2194-9034
DOI:10.5194/isprs-archives-XLVI-M-1-2021-851-2021