@incollection{yu:iwvf01,
		author = "Liangyin Yu and C.~R. Dyer",
		title = "Perception-Based 2D Shape Modeling by Curvature Shaping",
		booktitle = "Proc. 4th Int. Workshop on Visual Form",
		editor = "C. Arcelli and L. P. Cordella and G. Sanniti di Baja",
		series = "Lecture Notes in Computer Science, Vol. 2059",
		publisher = "Springer-Verlag",
		year = 2001,
		pages = {272--282},
		url = "ftp://ftp.cs.wisc.edu/computer-vision/repository/PDF/yu.2001.iwvf4.pdf"
		}