Christian Hentschel Sebastian Stober Andreas Nürnberger Marcin Detyniecki Automatic Image Annotation Using a Visual Dictionary Based on Reliable Image Segmentation. 45-56 2007 Adaptive Multimedia Retrieval http://dx.doi.org/10.1007/978-3-540-79860-6_4 conf/amr/2007 db/conf/amr/amr2007.html#HentschelSND07