PHROG: A Multimodal Feature for Place Recognition.Published in:Sensors (14248220), 2017, v. 17, n. 5, p. 1167, doi. 10.3390/s17051167By:Bonardi, Fabien;Ainouz, Samia;Boutteau, Rémi;Dupuis, Yohan;Savatier, Xavier;Vasseur, PascalPublication type:Article