Article Underwater Photogrammetry and Object Modeling: A Case Study of Xlendi Wreck in Malta Pierre Drap 1,*,†, Djamal Merad 1,†, Bilal Hijazi 1,†, Lamia Gaoua 1,†, Mohamad Motasem Nawaf 1,†, Mauro Saccone 1,†, Bertrand Chemisky 2,†, Julien Seinturier 2,†, Jean-Christophe Sourisseau 3,†, Timmy Gambin 4,† and Filipe Castro 5,† Received: 20 October 2015; Accepted: 25 November 2015; Published: 4 December 2015 Academic Editors: Fabio Menna, Fabio Remondino and Hans-Gerd Maas 1 Aix Marseille Université, CNRS, ENSAM, Université De Toulon, LSIS UMR 7296, 13397 Marseille, France;
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[email protected] (M.S.) 2 COMEX, COmpanie Maritime d’EXpertise 36 boulevard des Océans, 13009 Marseille, France;
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[email protected] (J.S.) 3 Aix Marseille Université, CNRS, Ministère de la Culture et de la Communication, CCJ UMR 7299, 13094 Aix En Provence, France;
[email protected] 4 Archaeology Centre (Car Park 6), University of Malta, Msida MSD 2080, Malta;
[email protected] 5 Ship Reconstruction Laboratory 4352 TAMU, Texas A & M University, College Station, TX 77843, USA;
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[email protected]; Tel.: +33-6-1419-9941 † These authors contributed equally to this work. Abstract: In this paper we present a photogrammetry-based approach for deep-sea underwater surveys conducted from a submarine and guided by knowledge-representation combined with a logical approach (ontology).