@article {aSalembier09,
	title = {Connected operators: A review of region-based morphological image processing techniques},
	journal = {IEEE Signal Processing Magazine},
	volume = {6},
	year = {2009},
	pages = {136{\textendash}157},
	issn = {1053-5888},
	doi = {10.1109/MSP.2009.934154},
	author = {Salembier, P. and Wilkinson, M.H.F.}
}
