. Author manuscript; available in PMC: 2007 Oct 1.

Published in final edited form as: Acad Radiol. 2007 Apr;14(4):495–504. doi: 10.1016/j.acra.2006.12.015

Table 2.

Standard deviations associated with different correction methods.

	Without correction	Wei’s Method	Our method
Clip phantom	681.80	181.12	142.66
Patent head	1759.91	330.27	186.09