Industrial Metrological Technologies for Cultural Heritage 
Abstract
The work addresses the issues related to the survey of small-sized artifacts made of reflective materials. This is the case of a bronze horse, possibly part of a group with praying figures, kept at the MuVet in Vetulonia. Modern technologies applied during the survey phase encounter difficulties that are hard to overcome in this case. The topic becomes paradigmatic in terms of problem-solving and the adoption of ad hoc technologies. Reflective materials, in general, pose problems on the metric reliability of the three-dimensional model. Therefore, ensuring high reliability for small-sized objects becomes the crucial challenge in order to provide degradation analysis and make the processing details visible. In the case under examination, the representation has realized a reliable model with a deviation of around 0.05 mm, managing to represent the object at a scale of 5:1 with emerged details that were previously invisible even to a high-resolution photographic campaign.
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PDFDOI: http://dx.doi.org/10.2423/i22394303v13n1p31
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