@Article{CruzBogdPaquBierThir09,
author = {Javier Cruz and Iva Bogdanova and Beno\^{\i}t Paquier and Michel Bierlaire and Jean-Philippe Thiran },
title = {Scale Invariant Feature Transform on the Sphere: Theory and Applications},
journal = {International Journal of Computer Vision},
volume = {98},
number = {2},
pages = {217-241},
doi = {10.1007/s11263-011-0505-4},
year = {2012}
}