@inproceedings {hojaij2012difference,
	title = {Difference of circles feature detector},
	booktitle = {2012 Ninth Conference on Computer and Robot Vision},
	year = {2012},
	pages = {63{\textendash}69},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Hojaij, Abdullah and Fakih, Adel and Wong, Alexander and Zelek, John}
}
