Top-Down Unsupervised Image Segmentation (it sounds like oxymoron, but actually it is not)

Emanuel Diamant Top-Down Unsupervised Image Segmentation (it sounds like oxymoron, but actually it is not) http://arxiv.org/abs/cs/0503001 2005 CoRR abs/cs/0503001 db/journals/corr/corr0503.html#abs-cs-0503001 informal publication