@InProceedings{martins15b,
   Author = {Martins, R. and Fernandez-Moral, E. and Rives, P.},
   Title = {Dense Accurate Urban Mapping from Spherical RGB-D Images},
   BookTitle = {IEEE/RSJ Int. Conf. on Intelligent Robots and Systems, IROS'15},
   Address = {Hamburg, Germany},
   Month = {September},
   Year = {2015}
}