Calibration of concomitant field offsets using phase contrast MRI for asymmetric gradient coils.
Nastaren AbadSeung-Kyun LeeAfis AjalaMyung-Ho InLouis M FrigoChitresh BhushanH Douglas MorrisYihe HuaVincent B HoMatt A BernsteinThomas K F FooPublished in: Magnetic resonance in medicine (2022)
The proposed implementation provides an accurate method for calibrating spatial offsets that can be used for real-time concomitant field compensation of zeroth and first-order terms, substantially reducing artifacts without retrospective correction or sequence specific waveform modifications.