Shimon Edelman Benjamin P. Hiles Hwajin Yang Nathan Intrator Probabilistic principles in unsupervised learning of visual structure: human data and a model. 19-26 2001 conf/nips/2001 NIPS http://www-2.cs.cmu.edu/Groups/NIPS/NIPS2001/papers/psgz/CS03.ps.gz db/conf/nips/nips2001.html#EdelmanHYI01