Deciphering hidden layers images through terahertz spectral fingerprints
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916917117190144 |
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| author | Moffa, Candida Francescone, Daniele Curcio, Alessandro Felici, Anna Candida Bellaveglia, Marco Piersanti, Luca Migliorati, Mauro Petrarca, Massimo |
| author_facet | Moffa, Candida Francescone, Daniele Curcio, Alessandro Felici, Anna Candida Bellaveglia, Marco Piersanti, Luca Migliorati, Mauro Petrarca, Massimo |
| contents | Terahertz radiation enables non destructive, depthresolved analysis of layered artworks. This study demonstrates THz multispectral imaging ability to reveal concealed text beneath mockup of pictorial layers, reconstructing hidden narratives at varying depths through frequency domain analysis.Simultaneously, it maps pigment composition, providing valuable chemical information. Showcasing the power to penetrate and decipher stratified materials, this work establishes THz multispectral imaging as a crucial tool for unlocking hidden secrets and characterizing materials in Cultural Heritage artifacts. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_23965 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Deciphering hidden layers images through terahertz spectral fingerprints Moffa, Candida Francescone, Daniele Curcio, Alessandro Felici, Anna Candida Bellaveglia, Marco Piersanti, Luca Migliorati, Mauro Petrarca, Massimo Optics Applied Physics Instrumentation and Detectors Terahertz radiation enables non destructive, depthresolved analysis of layered artworks. This study demonstrates THz multispectral imaging ability to reveal concealed text beneath mockup of pictorial layers, reconstructing hidden narratives at varying depths through frequency domain analysis.Simultaneously, it maps pigment composition, providing valuable chemical information. Showcasing the power to penetrate and decipher stratified materials, this work establishes THz multispectral imaging as a crucial tool for unlocking hidden secrets and characterizing materials in Cultural Heritage artifacts. |
| title | Deciphering hidden layers images through terahertz spectral fingerprints |
| topic | Optics Applied Physics Instrumentation and Detectors |
| url | https://arxiv.org/abs/2505.23965 |