@article {sinha2006segmentation,
	title = {Segmentation of buried concrete pipe images},
	journal = {Automation in Construction},
	volume = {15},
	number = {1},
	year = {2006},
	pages = {47{\textendash}57},
	publisher = {Elsevier},
	author = {Sinha, Sunil K and Fieguth, Paul W}
}
