TABLE II.
CT imaging protocols for the anthropomorphic liver phantom. Two repeated scans were acquired for each imaging acquisition condition.
Acquisition parameters | Reconstruction parameters | |||||||
---|---|---|---|---|---|---|---|---|
Scanner | kVp | Eff. mAs | Pitch | Collimation | Slice thickness | Overlap | Recon algorithm | Convolution kernel |
GE 750HD | 120 | 50 | 1.375 | 64 × 0.625 | 5 | 0% | FBP | Standard |
100 | 0.983 | 2.5 | Soft | |||||
250 | 1.25 | |||||||
0.625 | ||||||||
Siemens mCT | 120 | 50 | 1.35 | 64 × 0.6 | 5 | 0% | FBP | B30f |
100 | 1.0a | (32 × 0.6 detector width) | 3.0 | B20f | ||||
250 | 1.5 | |||||||
0.6 |
Only one effective mAs (250) was acquired for pitch 1.0.