Gradient Nonlinearity-Corrected 4D MRI for Abdominal Motion Quantification on a 1.5T MR-Linac
Motion-resolved 4D MRI is essential for assessing abdominal tumor and organ motion, but gradient nonlinearity (GNL) causes geometric distortion that reduces spatial fidelity and motion accuracy. This study evaluates GNL correction for 4D MRI on a 1.5T MR Lina...
Poster Program · Therapy Physics