. Author manuscript; available in PMC: 2006 Feb 24.

Published in final edited form as: Phys Med Biol. 2005 Jul 6;50(14):3297–3312. doi: 10.1088/0031-9155/50/14/007

Table 1.

Comparison of the variations caused by Poisson noise and system modeling errors. (See text for details.)

Total Counts	FWHM (β)	Poisson Noise	Measured MSE	Predicted MSE
0.1M	2.5 mm (100)	0.2068	0.1378	0.1254
	1.7 mm (10)	1.7722	1.1930	0.8883
	1.4 mm (1)	8.2431	6.7784	3.5624
1M	2.5 mm (100)	0.0211	0.0064	0.0063
	1.7 mm (10)	0.1988	0.0320	0.0320
	1.4 mm (1)	1.1999	0.4436	0.3393
10M	2.5 mm (100)	0.0021	0.0004	0.0004
	1.7 mm (10)	0.0201	0.0014	0.0014
	1.4 mm (1)	0.1289	0.0134	0.0140