Outdoors augmented reality on mobile phone using loxel-based visual feature organization. - Gabriel Takacs; Vijay Chandrasekhar 001; Natasha Gelfand; Yingen Xiong; Wei-Chao Chen; Thanos Bismpigiannis; Radek Grzeszczuk; Kari Pulli; Bernd Girod (Multimedia Information Retrieval, 2008)