TABLE 1

Ratio of PS1 and Each Point Source in Simple Phantom

High-resolution modeUltra-high-resolution mode
Without ACACWithout ACACMaximum generated metal artifacts (AC)
LeadPS2/PS1PS3/PS1PS2/PS1PS3/PS1PS2/PS1PS3/PS1PS2/PS1PS3/PS1PS2/PS1PS3/PS1
None0.97 ± 0.001.00 ± 0.011.01 ± 0.011.00 ± 0.010.99 ± 0.000.99 ± 0.001.01 ± 0.000.99 ± 0.000.98 ± 0.001.00 ± 0.01
ICD0.95 ± 0.010.98 ± 0.001.04 ± 0.010.99 ± 0.000.95 ± 0.000.98 ± 0.011.04 ± 0.011.00 ± 0.001.06 ± 0.011.01 ± 0.00
Pacemaker0.97 ± 0.000.99 ± 0.001.02 ± 0.000.99 ± 0.000.98 ± 0.010.99 ± 0.011.02 ± 0.011.00 ± 0.011.01 ± 0.011.00 ± 0.00
LV0.97 ± 0.000.99 ± 0.001.02 ± 0.000.99 ± 0.000.99 ± 0.000.99 ± 0.001.01 ± 0.000.99 ± 0.001.01 ± 0.011.00 ± 0.01