{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T06:41:23Z","timestamp":1764225683545,"version":"build-2065373602"},"reference-count":18,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2021,3,26]],"date-time":"2021-03-26T00:00:00Z","timestamp":1616716800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>This paper reports the results of a ground penetrating radar (GPR) survey of the ground-floor of Academia Gallery (Florence, Italy) where the Michelangelo\u2019s David is exhibited to the public. The equipment used was a step-frequency GPR operating in the 100 MHz-1 GHz band, named ORFEUS. The survey covered an area of 13 m \u00d7 7.3 m, and the scans were performed along two orthogonal directions. Acquisitions in the same direction were separated by 0.25 m from each other. The GPR was able to confirm the underground structure, as it can be deducted by planimetry and historical documentation. In particular, the radar clearly detected the air-conditioning ducts under the floor and an approximately circular foundation below the basement of the statue.<\/jats:p>","DOI":"10.3390\/rs13071273","type":"journal-article","created":{"date-parts":[[2021,3,26]],"date-time":"2021-03-26T13:17:53Z","timestamp":1616764673000},"page":"1273","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Ground Penetrating Radar Survey of the Floor of the Accademia Gallery (Florence, Italy)"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7285-4588","authenticated-orcid":false,"given":"Lapo","family":"Miccinesi","sequence":"first","affiliation":[{"name":"Department of Information Engineering, University of Florence, Via di Santa Marta, 3 50139 Firenze, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0822-8689","authenticated-orcid":false,"given":"Alessandra","family":"Beni","sequence":"additional","affiliation":[{"name":"Department of Information Engineering, University of Florence, Via di Santa Marta, 3 50139 Firenze, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5775-4311","authenticated-orcid":false,"given":"Silvia","family":"Monchetti","sequence":"additional","affiliation":[{"name":"Department of Civil and Environmental Engineering, University of Florence, Via di Santa Marta, 3 50139 Firenze, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8389-3355","authenticated-orcid":false,"given":"Michele","family":"Betti","sequence":"additional","affiliation":[{"name":"Department of Civil and Environmental Engineering, University of Florence, Via di Santa Marta, 3 50139 Firenze, Italy"}]},{"given":"Claudio","family":"Borri","sequence":"additional","affiliation":[{"name":"Department of Civil and Environmental Engineering, University of Florence, Via di Santa Marta, 3 50139 Firenze, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3661-726X","authenticated-orcid":false,"given":"Massimiliano","family":"Pieraccini","sequence":"additional","affiliation":[{"name":"Department of Information Engineering, University of Florence, Via di Santa Marta, 3 50139 Firenze, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2021,3,26]]},"reference":[{"key":"ref_1","unstructured":"Giorgianni, G. 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