
Hyperspectral imaging: analyzes the parts other techniques cannot reach. In-situ analysis of The Man with the Key, by sculptor Auguste Rodin, recently allowed researchers to assess various parts of the sculpture (either hidden or invisible to the naked eye), not only identifying two corrosion products – antlerite and brochantite – but also allowing the mapping of their spatial distribution (1).
References
- E Catelli et al., J Spectral Imaging, 7, a10 (2018). DOI: 10.1255/jsi.2018.a10