@book{29134,
	author = {Dougherty, Edward, ed.},
	title = {Nonlinear Image Processing II},
	publisher = {SPIE},
	year = {1991  },
	series = {Proceedings of SPIE; V. 1451},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1451}
}