GE Healthcare | AutomA, SmartmA | Noise index | Maintain a constant noise level (defined as noise index), using tube current within prescribed minimum and maximum values |
Toshiba | Sure Exposure | SD | Maintain a constant noise level (defined in standard deviation), using tube currents and preset minimum and maximum values |
Siemens | CARE Dose4D | Quality reference milliampere-second | Maintain the same image quality with reference to target effective milliampere-second levels for standard-size patients |
Philips | DoseRight | Reference image | Keep the same image quality as in the reference image |