@article {15759,
	title = {Image Smoothing and Segmentation by Cost Minimization},
	journal = {IEEE Transactions on Systems, Man, and Cybernetics},
	volume = {SMC-12},
	year = {1982},
	month = {1982///},
	pages = {91 - 96},
	author = {Narayanan,K. A. and O{\textquoteright}Leary, Dianne P. and Rosenfeld,Azriel}
}
