@article {xu2015extraction,
	title = {Extraction of endmembers from hyperspectral images using a weighted fuzzy purified-means clustering model},
	journal = {IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing},
	volume = {9},
	number = {2},
	year = {2015},
	pages = {695{\textendash}707},
	publisher = {IEEE},
	author = {Xu, Linlin and Wong, Alexander and Li, Fan and Clausi, David A}
}
