Bryan C. Russell William T. Freeman Alexei A. Efros Josef Sivic Andrew Zisserman Using Multiple Segmentations to Discover Objects and their Extent in Image Collections. 1605-1614 2006 conf/cvpr/2006 CVPR (2) http://doi.ieeecomputersociety.org/10.1109/CVPR.2006.326 db/conf/cvpr/cvpr2006-2.html#RussellFESZ06