@article {wong2008efficient,
	title = {Efficient FFT-accelerated approach to invariant optical{\textendash}LIDAR registration},
	journal = {IEEE transactions on geoscience and remote sensing},
	volume = {46},
	number = {11},
	year = {2008},
	pages = {3917{\textendash}3925},
	publisher = {IEEE},
	author = {Wong, Alexander and Orchard, Jeff}
}
