Alain Pagani Christiano Gava Yan Cui Bernd Krolla Jean-Marc Hengen Didier Stricker Dense 3D Point Cloud Generation from Multiple High-resolution Spherical Images. 17-24 2011 VAST http://dx.doi.org/10.2312/VAST/VAST11/017-024 conf/vast/2011 db/conf/vast/vast2011.html#PaganiGCKHS11