Visual Simultaneous Localization And Mapping (VSLAM) methods applied to indoor 3D topographical and radiological mapping in real-timeFelix Hautot, Philippe Dubart, Charles-Olivier Bacri, Benjamin Chagneau and Roger Abou-KhalilEPJ Web Conf., 153 (2017) 01005DOI: https://doi.org/10.1051/epjconf/201715301005