@article {xu2016weakly,
	title = {Weakly supervised classification of remotely sensed imagery using label constraint and edge penalty},
	journal = {IEEE Transactions on Geoscience and Remote Sensing},
	volume = {55},
	number = {3},
	year = {2016},
	pages = {1424{\textendash}1436},
	publisher = {IEEE},
	author = {Xu, Linlin and Clausi, David A and Li, Fan and Wong, Alexander}
}
