Table 1.

SPECT data acquisition parameters for phantom and animal scans

Parameter	Setting
	Phantom studies	Animal studies
Data acquisition	Dual head	Dual head
Radius of rotation	30,40, 50, 60, and 70 mm	50 mm
Mode	Step and shoot	Step and shoot
Number of projections	120	120
Angular step	6°	6°
Time per view	30–300 s	30 s
Projection matrix	38 × 80	38 × 80
Image matrix	128 × 128 × 240	128 × 128 × 240
Voxel size	0.4 × 0.4 × 0.4 mm3	0.4 × 0.4 × 0.4 mm3