DIDRO Project – New means for surveying dikes and similar flood defense structures Thibaut Miquel, Jean-Luc Sorin, Jean Maurin, Rémy Tourment, Frédéric Pons, Jérôme Bohard and Jean-Frédéric Biscay E3S Web Conf., 7 (2016) 14002 Published online: 20 October 2016 DOI: 10.1051/e3sconf/20160714002