@article {KimFraSch05,
	title = {Iterative kernel principal component analysis for image modeling},
	journal = {IEEE Trans. PAMI},
	volume = {27},
	number = {9},
	year = {2005},
	pages = {1351~{\textendash}~1366},
	author = {K I Kim and M O Franz and B Sch{\"o}lkopf}
}
@conference {Franz2004b,
	title = {Implicit estimation of {Wiener} series},
	booktitle = {{Machine Learning for Signal Processing XIV, Proc. 2004 IEEE Signal Processing Society Workshop}},
	year = {2004},
	pages = {735{\textendash}744},
	publisher = {IEEE},
	organization = {IEEE},
	address = {New York},
	author = {M O Franz and B Sch{\"o}lkopf},
	editor = {Barros, A and Principe, J C and Larsen, J and Adali, T and Douglas, S}
}
@conference {Fra04c,
	title = {Implicit {Wiener} series for capturing higher-order interactions in images},
	booktitle = {{Proc. Sensory Coding and the Natural Environment 2004}},
	year = {2004},
	author = {M O Franz and B Sch{\"o}lkopf},
	editor = {B A Olshausen and M Lewicki}
}
