{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,26]],"date-time":"2026-01-26T01:34:51Z","timestamp":1769391291839,"version":"3.49.0"},"reference-count":66,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2018,4,12]],"date-time":"2018-04-12T00:00:00Z","timestamp":1523491200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JMSE"],"abstract":"<jats:p>This article describes the set of photogrammetric tools developed for the monitoring of Mediterranean red coral Corallium rubrum populations. The description encompasses the full processing chain: from the image acquisition to the information extraction and data interpretation. The methods applied take advantage of existing tools and new, innovative and specific developments in order to acquire data on relevant ecological information concerning the structure and functioning of a red coral population. The tools presented here are based on: (i) automatic orientation using coded quadrats; (ii) use of non-photorealistic rendering (NPR) and 3D skeletonization techniques; (iii) computation of distances between colonies from a same site; and (iv) the use of a plenoptic approach in an underwater environment.<\/jats:p>","DOI":"10.3390\/jmse6020042","type":"journal-article","created":{"date-parts":[[2018,4,12]],"date-time":"2018-04-12T12:19:27Z","timestamp":1523535567000},"page":"42","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Photogrammetric Surveys and Geometric Processes to Analyse and Monitor Red Coral Colonies"],"prefix":"10.3390","volume":"6","author":[{"given":"Jean-Philip","family":"Royer","sequence":"first","affiliation":[{"name":"Aix Marseille Universit\u00e9, CNRS, ENSAM, Universit\u00e9 de Toulon, LIS UMR 7020, Domaine Universitaire de Saint-J\u00e9rome, B\u00e2timent Polytech, Avenue Escadrille Normandie Niemen, 13397 Marseille, France"}]},{"given":"Mohamad","family":"Nawaf","sequence":"additional","affiliation":[{"name":"Aix Marseille Universit\u00e9, CNRS, ENSAM, Universit\u00e9 de Toulon, LIS UMR 7020, Domaine Universitaire de Saint-J\u00e9rome, B\u00e2timent Polytech, Avenue Escadrille Normandie Niemen, 13397 Marseille, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9233-0020","authenticated-orcid":false,"given":"Djamal","family":"Merad","sequence":"additional","affiliation":[{"name":"Aix Marseille Universit\u00e9, CNRS, ENSAM, Universit\u00e9 de Toulon, LIS UMR 7020, Domaine Universitaire de Saint-J\u00e9rome, B\u00e2timent Polytech, Avenue Escadrille Normandie Niemen, 13397 Marseille, France"}]},{"given":"Mauro","family":"Saccone","sequence":"additional","affiliation":[{"name":"Aix Marseille Universit\u00e9, CNRS, ENSAM, Universit\u00e9 de Toulon, LIS UMR 7020, Domaine Universitaire de Saint-J\u00e9rome, B\u00e2timent Polytech, Avenue Escadrille Normandie Niemen, 13397 Marseille, France"}]},{"given":"Olivier","family":"Bianchimani","sequence":"additional","affiliation":[{"name":"Septentrion Environnement, 13007 Marseille, France"}]},{"given":"Joaquim","family":"Garrabou","sequence":"additional","affiliation":[{"name":"Institut de Ciencies del Mar-CSIC, 37-49, E-08003 Barcelona, Spain"}]},{"given":"Jean-Baptiste","family":"Ledoux","sequence":"additional","affiliation":[{"name":"Institut de Ciencies del Mar-CSIC, 37-49, E-08003 Barcelona, Spain"},{"name":"CIIMAR\/CIMAR, Centro Interdisciplinar de Investiga\u00e7\u00e3o Marinha e Ambiental, Universidade do Porto, 4050-123 Porto, Portugal"}]},{"given":"Angel","family":"Lopez-Sanz","sequence":"additional","affiliation":[{"name":"Institut de Ciencies del Mar-CSIC, 37-49, E-08003 Barcelona, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0528-9280","authenticated-orcid":false,"given":"Pierre","family":"Drap","sequence":"additional","affiliation":[{"name":"Aix Marseille Universit\u00e9, CNRS, ENSAM, Universit\u00e9 de Toulon, LIS UMR 7020, Domaine Universitaire de Saint-J\u00e9rome, B\u00e2timent Polytech, Avenue Escadrille Normandie Niemen, 13397 Marseille, France"}]}],"member":"1968","published-online":{"date-parts":[[2018,4,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Linnaeus, C. 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