@conference {27779,
	title = {Comparison of Methods Used for Detecting Unknown Structural Elements in Three-dimensional Point Clouds},
	booktitle = {Construction Research Congress 2014},
	year = {2014},
	address = {atlanta},
	author = {Yeung, J. and Nahangi, M. and Shahtaheri, Y. and Haas, C. and Walbridge, S. and West, J.S.}
}