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3. Chapter A New Compact VNIR Hyperspectral Imaging System for Non-Invasive Analysis in the FineArt and Architecture Fields

Author

Picollo, Marcello, Casini, Andrea, Cucci, Costanza, Jussila, Jouni, Poggesi, Marco, and Stefani, Lorenzo

Subjects
Hyperspectral Camera, Non-Invasive, Fineart, Architecture
Abstract

A new compact Specim IQ hyperspectral camera working in the 400-1000 nm range has been launched on the market. Its use in the investigation of different artworks and under diverse environmental conditions will be presented.

Published
2018
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4. The Non-Invasive Spectroscopic Study of a Parchment Object from the National Central Library of Florence: The Hebrew Scroll

Author

Bartolozzi, Giovanni, primary, Casini, Andrea, additional, Castelli, Lisa, additional, Cucci, Costanza, additional, Grazzi, Francesco, additional, Mazzinghi, Anna, additional, Pieralli, Irene, additional, Ruberto, Chiara, additional, Sarfati, Rachel, additional, Sidoti, Alessandro, additional, Stefani, Lorenzo, additional, and Picollo, Marcello, additional

Published
2024
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11. APPLICATION OF HYPER-SPECTRAL IMAGING TECHNIQUE FOR COLORIMETRIC ANALYSIS OF PAINTINGS.

Author

Picollo, Marcello, Casini, Andrea, Cucci, Costanza, Cherubini, Filippo, and Stefani, Lorenzo

Subjects
COLORIMETRY, ART conservation & restoration, PANEL painting, FIFTEENTH century, PRESERVATION of painting, COLORIMETRIC analysis
Abstract

This paper describes the Hyper-Spectral Imaging (HSI) scanner developed at IFAC-CNR for non-invasive diagnostics and accurate color acquisitions on paintings. This latter HSI application is still rare in the art conservation field due to the difficulties related to obtaining accurate, reliable, and reproducible data suitable for matching the colorimetric calculations as required by the Commission Internationale de l'Eclairage (CIE) for calibrated sRGB images and colorimetric values are presented. In the present paper, HSI measurements focused on color evaluation of color standards in laboratory and of a 15th century panel painting are reported. [ABSTRACT FROM AUTHOR]

Published
2022
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15. How Good Are RGB Cameras Retrieving Colors of Natural Scenes and Paintings?—A Study Based on Hyperspectral Imaging

Author

Linhares, João M. M., primary, Monteiro, José A. R., additional, Bailão, Ana, additional, Cardeira, Liliana, additional, Kondo, Taisei, additional, Nakauchi, Shigeki, additional, Picollo, Marcello, additional, Cucci, Costanza, additional, Casini, Andrea, additional, Stefani, Lorenzo, additional, and Nascimento, Sérgio Miguel Cardoso, additional

Published
2020
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19. 'Ecce Homo' by Antonello da Messina, from non-invasive investigations to data fusion and dissemination

Author

Lorenzo Stefani, Francesca Vita, Costanza Cucci, Rosa Brancaccio, Marco Callieri, F. Albertin, C. Ruberto, Francesco Taccetti, Maria Pia Morigi, Paolo Pingi, Marco Potenziani, Roberto Scopigno, Eliana Siotto, Matteo Bettuzzi, Marcello Picollo, Lisa Castelli, Albertin, Fauzia, Ruberto, Chiara, Cucci, Costanza, Callieri, Marco, Potenziani, Marco, Siotto, Eliana, Pingi, Paolo, Scopigno, Roberto, Bettuzzi, Matteo, Brancaccio, Rosa, Morigi, Maria Pia, Castelli, Lisa, Taccetti, Francesco, Picollo, Marcello, Stefani, Lorenzo, and de Vita, Francesca

Subjects
Interface (Java), Computer science, near-infrared spectroscopy, Science, Optical spectroscopy, X-ray fluorescence, computer science, 02 engineering and technology, Imaging techniques, Information technology, Cultural Heritage, 01 natural sciences, Characterization and analytical techniques, Article, Scientific analysis, Near-infrared spectroscopy, Characterization and analytical technique, 0202 electrical engineering, electronic engineering, information engineering, spectrophotometry, Web3D, optical spectroscopy, Infrared spectroscopy, Painting, Multidisciplinary, Scope (project management), 010401 analytical chemistry, Non invasive, 020207 software engineering, Scientific data, imaging technique, Sensor fusion, Data science, Reflectivity, 0104 chemical sciences, Spectrophotometry, Medicine, Software, Digital Heritage, 3D
Abstract

Scientific investigations of artworks are crucial in terms of preservation since they provide a measurable evaluation of the materials and the state of conservation. This is the case of Antonello da Messina’s painting “Ecce Homo”: its delicate state of conservation, with the need for constant monitoring, required a broad and in-depth diagnostic campaign to support the restorers. The project was carried out entirely in situ using non-invasive cutting-edge techniques and proposes a multimodal and data-centric approach, integrating 3D and 2D methodologies. The surface irregularities and the support were analysed with a structured-light 3D scanner and X-ray tomography. The painting materials were investigated with X-ray fluorescence scanning (MA-XRF) and reflectance hyperspectral imaging (HSI). Primarily, the data were jointly used for a scientific scope and provided new knowledge of the painting in terms of materials and painting techniques. In addition, two web-based interactive platforms were developed: one to provide restorers and experts with a new perspective of the hidden geometries of the painting, and the other targeted at the general public for dissemination purposes. The results of the Ecce Homo scientific analysis were exhibited, using a touch-screen interface, and developed for different user levels, from adults to kids.

Published
2021

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