@article {tung2011goal,
	title = {Goal-based trajectory analysis for unusual behaviour detection in intelligent surveillance},
	journal = {Image and Vision Computing},
	volume = {29},
	number = {4},
	year = {2011},
	pages = {230{\textendash}240},
	publisher = {Elsevier},
	author = {Tung, Frederick and Zelek, John S and Clausi, David A}
}
