@conference {Rivaz2007,
	title = {Beam Steering Approach for Speckle Characterization and Out-of-Plane Motion Estimation in Real Tissue},
	booktitle = {Procedings IEEE Ultrasonics Symposium},
	year = {2007},
	month = {10/2007},
	pages = {781{\textendash}784},
	doi = {10 1109/ULTSYM 2007 200},
	author = {Hassan Rivaz and Richard Zellars and Gregory D. Hager and Gabor Fichtinger and Emad Boctor}
}
