@article {aja2010background,
	title = {About the background distribution in MR data: a local variance study},
	journal = {Magnetic resonance imaging},
	volume = {28},
	number = {5},
	year = {2010},
	pages = {739{\textendash}752},
	publisher = {Elsevier},
	author = {Santiago Aja-Fern{\'a}ndez and Gonzalo Vegas-S{\'a}nchez-Ferrero and Antonio Trist{\'a}n-Vega}
}
