@article {clausi2002rapid,
	title = {Rapid extraction of image texture by co-occurrence using a hybrid data structure},
	journal = {Computers \& Geosciences},
	volume = {28},
	number = {6},
	year = {2002},
	pages = {763{\textendash}774},
	publisher = {Pergamon},
	author = {Clausi, David A and Zhao, Yongping}
}
