{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T04:59:04Z","timestamp":1773118744865,"version":"3.50.1"},"reference-count":19,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2018,8,2]],"date-time":"2018-08-02T00:00:00Z","timestamp":1533168000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100009888","name":"Regione Toscana","doi-asserted-by":"publisher","award":["MOSCARDO (FAR-FAS 2014)."],"award-info":[{"award-number":["MOSCARDO (FAR-FAS 2014)."]}],"id":[{"id":"10.13039\/501100009888","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Imaging"],"abstract":"<jats:p>This paper describes how Unmanned Aerial Vehicles (UAVs) may support the long-term monitoring of crack patterns in the context of architectural heritage preservation. In detail, this work includes: (i) a state of the art about the most used techniques in ancient structural monitoring; (ii) the description of the implemented methods, taking into account the requirements and constraints of the case study; (iii) the results of the experimentation carried out in the lab; and (iv) conclusions and future works.<\/jats:p>","DOI":"10.3390\/jimaging4080099","type":"journal-article","created":{"date-parts":[[2018,8,3]],"date-time":"2018-08-03T03:03:15Z","timestamp":1533265395000},"page":"99","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":34,"title":["Long-Term Monitoring of Crack Patterns in Historic Structures Using UAVs and Planar Markers: A Preliminary Study"],"prefix":"10.3390","volume":"4","author":[{"given":"Danila","family":"Germanese","sequence":"first","affiliation":[{"name":"Institute of Information Science and Technologies, CNR, Via G. Moruzzi 1, 56124 Pisa, Italy"}]},{"given":"Giuseppe Riccardo","family":"Leone","sequence":"additional","affiliation":[{"name":"Institute of Information Science and Technologies, CNR, Via G. Moruzzi 1, 56124 Pisa, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5175-5126","authenticated-orcid":false,"given":"Davide","family":"Moroni","sequence":"additional","affiliation":[{"name":"Institute of Information Science and Technologies, CNR, Via G. Moruzzi 1, 56124 Pisa, Italy"}]},{"given":"Maria Antonietta","family":"Pascali","sequence":"additional","affiliation":[{"name":"Institute of Information Science and Technologies, CNR, Via G. Moruzzi 1, 56124 Pisa, Italy"}]},{"given":"Marco","family":"Tampucci","sequence":"additional","affiliation":[{"name":"Institute of Information Science and Technologies, CNR, Via G. 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