@book{32944,
	author = {Pearson, James, ed.},
	title = {Techniques and Applications of Image Understanding},
	publisher = {SPIE},
	year = {1981},
	series = {Proceedings of SPIE; V. 0281},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0281}
}