3D laser scanning and Technical Photography for wall paintings
CHSOS provides technical examination and documentation of wall paintings and this paper provides a new insight into the combination of Technical Photography and 3D laser scanning for archaeology.
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This paper presents the outcomes of a multidisciplinary study conducted on the fresco palimpsest of the byzantine oratory (region C) of the Catacombs of Saint Lucia in Syracuse. The 3D model was integrated with data from investigations made with portable X-ray Fluorescence Spectroscopy (pXRF), and Technical Photography (TP), in order to obtain a unified representation of the knowledge acquired. The different layers of the frescoes present in the palimpsest could then be individually identified and characterized using the data extracted from the model. The arcosolium examined here is an illustrative case study characterized by clear artistic and archaeological stratifications.
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The way 3D laser scanning and technical photography come together to capture surface detail on wall paintings is exactly the kind of non-destructive documentation workflow we explore too. At faceto3d we turn ordinary photos into 3D models, and reading about your combined scanning and imaging approach gives us useful ideas for capturing fine relief on smaller objects. Thank you for publishing such a detailed, practical investigation.