Keywords: Motion Correction, Motion Correction, hybrid motion correction
Motivation: Prospective Motion Correction (PMC) demands real-time tracking and may introduce artifacts due to imperfect tracking due to noise.
Goal(s): To introduce hybridMC, harnessing the strengths of thresholded PMC combined with retrospective motion correction to address motion artifacts comprehensively in neurological MRI.
Approach: Apply a PMC update threshold to avoid incorrect motion correction due to noisy motion tracking. Correct for residual motion artifacts using model-based RMC.
Results: The hybrid motion correction approach showed superior results when compared to PMC in the presence of noisy tracking, while maintaining good performance for non-noisy tracking.
Impact: To enhance neurological MRI quality, we introduce a hybrid motion correction. This innovation effectively mitigates tracking noise and residual artifacts, offering superior results compared to PMC alone. It promises improved diagnostic accuracy.
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