TABLE 1

CRC_mean, CRC_max, SNR_mean, and SNR_max for 10 Phantom Spheres for Both Voxel Reconstructions, Including Relative Changes (%)

	Microphantom sphere diameter (mm)				NEMA phantom sphere diameter (mm)
Parameter	4	5	6	8	10	13	17	22	28	37
CRC_mean
Standard	N/A	0.02	0.06	0.14	0.25	0.38	0.62	0.67	0.71	0.75
Small	0.03	0.04	0.12	0.25	0.37	0.45	0.65	0.69	0.73	0.71
%	N/A	84%	84%	79%	46%	19%	5%	3%	3%	−6%
CRC_max
Standard	N/A	0.03	0.11	0.20	0.43	0.65	0.99	1.01	0.96	1.00
Small	0.06	0.10	0.24	0.44	0.72	0.85	0.97	0.96	0.99	1.00
%	N/A	239%	118%	115%	68%	31%	−2%	−4%	2%	0%
SNR_mean
Standard	N/A	5	16	56	42	63	104	112	118	124
Small	9	10	30	64	42	52	74	79	83	80
%	N/A	87%	85%	79%	0%	−18%	−28%	−29%	−30%	−35%
SNR_max
Standard	N/A	8	28	52	71	108	165	167	161	166
Small	14	27	61	112	82	97	110	110	113	114
%	N/A	242%	119%	116%	15%	−10%	−33%	−35%	−30%	−31%

Standard = standard-voxel reconstruction (4 × 4 × 4 mm); N/A = not applicable; small = small-voxel reconstruction (2 × 2 × 2 mm).