Feng Han Ying Shan Harpreet S. Sawhney Rakesh Kumar Discovering class specific composite features through discriminative sampling with Swendsen-Wang Cut. 2008 CVPR http://dx.doi.org/10.1109/CVPR.2008.4587376 conf/cvpr/2008 db/conf/cvpr/cvpr2008.html#HanSSK08