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Laser Scanners for High-Quality 3D and IR Imaging in Cultural Heritage Monitoring and Documentation

1
Industrial Engineering, University of Tor Vergata, 00133 Rome, Italy
2
FSN-TECFIS-DIM, ENEA, 00044 Frascati (RM), Italy
3
ENEA Guest, 00044 Frascati, Italy
*
Author to whom correspondence should be addressed.
J. Imaging 2018, 4(11), 130; https://doi.org/10.3390/jimaging4110130
Received: 24 August 2018 / Revised: 30 October 2018 / Accepted: 1 November 2018 / Published: 5 November 2018
(This article belongs to the Special Issue Image Enhancement, Modeling and Visualization)
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Abstract

Digital tools as 3D (three-dimensional) modelling and imaging techniques are having an increasing role in many applicative fields, thanks to some significative features, such as their powerful communicative capacity, versatility of the results and non-invasiveness. These properties are very important in cultural heritage, and modern methodologies provide an efficient means for analyzing deeply and virtually rendering artworks without contact or damage. In this paper, we present two laser scanner prototypes based on the Imaging Topological Radar (ITR) technology developed at the ENEA Research Center of Frascati (RM, Italy) to obtain 3D models and IR images of medium/large targets with the use of laser sources without the need for scaffolding and independently from illumination conditions. The RGB-ITR (Red Green Blue-ITR) scanner employs three wavelengths in the visible range for three-dimensional color digitalization up to 30 m, while the IR-ITR (Infrared-ITR) system allows for layering inspection using one IR source for analyses. The functionalities and operability of the two systems are presented by showing the results of several case studies and laboratory tests. View Full-Text
Keywords: cultural heritage; multiwavelength laser scanners; prototypes; 3D modelling; IR imaging cultural heritage; multiwavelength laser scanners; prototypes; 3D modelling; IR imaging
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Ceccarelli, S.; Guarneri, M.; Ferri de Collibus, M.; Francucci, M.; Ciaffi, M.; Danielis, A. Laser Scanners for High-Quality 3D and IR Imaging in Cultural Heritage Monitoring and Documentation. J. Imaging 2018, 4, 130.

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