{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T07:17:46Z","timestamp":1768979866901,"version":"3.49.0"},"reference-count":52,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2019,6,10]],"date-time":"2019-06-10T00:00:00Z","timestamp":1560124800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100010661","name":"Horizon 2020 Framework Programme","doi-asserted-by":"publisher","award":["654148"],"award-info":[{"award-number":["654148"]}],"id":[{"id":"10.13039\/100010661","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003500","name":"Universit\u00e0 degli Studi di Padova","doi-asserted-by":"publisher","award":["PhD scholarship"],"award-info":[{"award-number":["PhD scholarship"]}],"id":[{"id":"10.13039\/501100003500","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Imaging"],"abstract":"<jats:p>This paper presents first laboratory results of a combined approach carried out by the use of three different portable non-invasive electromagnetic methods: Digital holographic speckle pattern interferometry (DHSPI), stimulated infrared thermography (SIRT) and holographic subsurface radar (HSR), proposed for the analysis of a custom-built wall mosaic model. The model reproduces a series of defects (e.g., cracks, voids, detachments), simulating common deteriorated, restored or reshuffled areas in wall mosaics. DHSPI and SIRT, already well known in the field of non-destructive (NDT) methods, are full-field contactless techniques, providing complementary information on the subsurface hidden discontinuities. The use of DHSPI, based on optical imaging and interferometry, provides remote control and visualization of surface micro-deformation after induced thermal stress, while the use of SIRT allows visualization of thermal energy diffusion in the surface upon the induced thermal stress. DHSPI and SIRT data are complemented by the use of HSR, a contact method that provides localized information about the distribution of contrasts in dielectric permittivity and related possible anomalies. The experimental results, made by the combined use of these methods to the identification of the known anomalies in the mosaic model, are presented and discussed here as a contribution in the development of an efficient non-invasive approach to the in-situ subsurface analysis of ancient wall mosaics.<\/jats:p>","DOI":"10.3390\/jimaging5060058","type":"journal-article","created":{"date-parts":[[2019,6,10]],"date-time":"2019-06-10T11:39:47Z","timestamp":1560166787000},"page":"58","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["A Combined Non-Invasive Approach to the Study of A Mosaic Model: First Laboratory Experimental Results"],"prefix":"10.3390","volume":"5","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3536-9871","authenticated-orcid":false,"given":"Antonina","family":"Chaban","sequence":"first","affiliation":[{"name":"Department of Cultural Heritage, Archaeology and History of Art, Cinema and Music, University of Padova, Piazza Capitaniato 7, 35139 Padova, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7198-9504","authenticated-orcid":false,"given":"Vivi","family":"Tornari","sequence":"additional","affiliation":[{"name":"Institute of Electronic structure and Laser, Foundation for Research and Technology Hellas, N. Plastira 100, Voutes, 70013 Crete, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3736-9181","authenticated-orcid":false,"given":"Rita","family":"Deiana","sequence":"additional","affiliation":[{"name":"Department of Cultural Heritage, Archaeology and History of Art, Cinema and Music, University of Padova, Piazza Capitaniato 7, 35139 Padova, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michalis","family":"Andrianakis","sequence":"additional","affiliation":[{"name":"Institute of Electronic structure and Laser, Foundation for Research and Technology Hellas, N. Plastira 100, Voutes, 70013 Crete, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9786-569X","authenticated-orcid":false,"given":"David","family":"Giovannacci","sequence":"additional","affiliation":[{"name":"Laboratoire de Recherche des Monuments Historiques, Minist\u00e8re de la Culture et de la Communication, 29 rue de Paris, 77 420 Champ-sur-Marne, France"},{"name":"Sorbonne Universit\u00e9s, Centre de Recherche sur la Conservation (CRC, USR 3224), Mus\u00e9um national d\u2019Histoire naturelle, Minist\u00e8re de la Culture et de la Communication, CNRS, CP21, 36 rue Geoffroy-Saint-Hilaire, 75005 Paris, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2716-6057","authenticated-orcid":false,"given":"Vincent","family":"Detalle","sequence":"additional","affiliation":[{"name":"C2RMF, Centre de Recherche et de Restauration des Mus\u00e9es de France, Palais su Louvre, Porte des Lions, 14 quai Fran\u00e7ois Mitterrand, 750001 Paris, France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2019,6,10]]},"reference":[{"key":"ref_1","unstructured":"Farneti, M. 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