@conference {SHI04,
	title = {Invariant Operators, Small Samples, and the Bias-Variance Dilemma},
	booktitle = {Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR 04)},
	year = {2004},
	address = {Washington, D.C.},
	url = {http://users.soe.ucsc.edu/~manduchi/papers/Shi_X.pdf},
	author = {X. Shi and Roberto Manduchi}
}
