@article {tristan2012efficient,
	title = {Efficient and robust nonlocal means denoising of MR data based on salient features matching},
	journal = {Computer methods and programs in biomedicine},
	volume = {105},
	number = {2},
	year = {2012},
	pages = {131{\textendash}144},
	publisher = {Elsevier},
	author = {Antonio Trist{\'a}n-Vega and Ver{\'o}nica Garc{\'\i}a-P{\'e}rez and Santiago Aja-Fern{\'a}ndez and Carl-Fredik Westin}
}
@article {tristan2009estimation,
	title = {Estimation of fiber orientation probability density functions in high angular resolution diffusion imaging},
	journal = {NeuroImage},
	volume = {47},
	number = {2},
	year = {2009},
	pages = {638{\textendash}650},
	publisher = {Elsevier},
	author = {Antonio Trist{\'a}n-Vega and Carl-Fredik Westin and Santiago Aja-Fern{\'a}ndez}
}
