Unsupervised learning for image classification based on distribution of hierarchical feature tree.

Thach-Thao Duong Joo-Hwee Lim Hai-Quan Vu Jean-Pierre Chevallet Unsupervised learning for image classification based on distribution of hierarchical feature tree. 306-310 2008 RIVF http://dx.doi.org/10.1109/RIVF.2008.4586371 conf/rivf/2008 db/conf/rivf/rivf2008.html#DuongLVC08