Cultural heritage, at the Ferrara Restoration Fair ENEA presents the new Diapason laser scanner

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(Finance) – It’s called Tuning fork and it is the laser scanner of the latest generation made by researchers AENEAS for the protection and dissemination of knowledge of the artistic and cultural heritage. Conceived in the context of E-RIHS projectwas presented at the 27th edition of the International Restoration Exhibition in Ferrara until tomorrow 10 June.

Diapason allows you to make a model Multispectral 3D of the work under investigation, thanks to the 7 wavelengths of the laser scanner – from the ultraviolet to the first infrared – which allow to acquire images not altered by the ambient light, overcoming the limits of the devices on the market today. These characteristics make it a suitable tool to more easily assess the ‘state of health’ of paintings, frescoes, sculptures and archaeological sites.

“Its compact measures allow to reduce the costs of the measurement campaigns avoiding difficulties related to transportability and accessibility at some sites. The post-production phase of the acquired images, and therefore the study and monitoring of the works, will be simplified by the regularity and ‘cleanliness’ of the generated data set “, he explains Maximilian Guarnerithe researcher of the ENEA Laboratory of Diagnostics and Metrology who worked on the realization of the prototype.

Specifically, the devicecapable of operating up to a distance of 15m, combines the performance of two prototypes already in use at ENEA: the one with 3 wavelengths in the visible and the one with infrared laser, the latter able to go under the first layer of pigment, making visible, for example in oil paintings, second thoughts , preparatory studies and previous restoration interventions.

“Diapason, as well as the metal fork it emits Note standard on which to tune instruments musical, combines information from different wavelengths in a 3D model – continues Guarneri – which contains specifications previously accessible not only with different tools but also with long and complex editing jobs. In the past we have worked on digitization of numerous and important works of art through the combined use of the infrared laser and the 3D color laser scanner, while managing various logistical complications, since we had to use different tools, and with a more expensive post-production work “.

With this technique the works “Self-portrait” and “Spring” by the seventeenth-century painter were “acquired” Mario De Fioripreserved in Palazzo Chigi di Ariccia (Rome), as well as the “Portrait of Pope Gregory XIII”, a 16th century work by the Italian painter Scipio Pulzonecurrently kept at the Salesian Institute Villa Sora a Frascati (Rome) and also became famous for having recently been part of the works of art exhibited in a series of exhibitions organized in Japan as part of the “Rising Sun in the Italian Renaissance” project, curated by the Tokyo Fuji Art Museum. In this specific case, the 3D model obtained highlighted some details, such as the handkerchief held in the Pope’s right hand or part of the drapery depicted in the upper right corner, currently no longer easily visible to the naked eye due to the inevitable darkening that the painting has undergone over time. “From today, thanks to Diapason, it will be possible to reach these results through simpler, faster and less expensive operations”, concludes the researcher.

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