. Author manuscript; available in PMC: 2010 Mar 1.

Published in final edited form as: Acad Radiol. 2009 Mar;16(3):363–373. doi: 10.1016/j.acra.2008.09.003

Table 1.

The values of λ and σ for the iterative procedure.

p	0	1	2	3	4	5
λ	0.17	0.21	0.26	0.30	0.30	0.30
σ	2.00	1.50	1.00	0.50	0.50	0.50