ArticleMagnetic resonance in medicine2021
Prospective motion correction for diffusion weighted EPI of the brain using an optical markerless tracker.
Article in Magnetic resonance in medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 23 citations in OpenAlex.
- Intra-MRI Head Motion Tracking and Correction: A Quantitative In Vivo Evaluation Framework.NMR in biomedicine · 2026Article
- Reducing Motion Artifact in High Resolution 7 T MRI Using the Magnetic Resonance Minimal Motion ("MR-MinMo") Head Stabilization Device.Magnetic resonance in medicine · 2026Article
- Distortion-free diffusion-weighted imaging using echo planar time-resolved imaging with prospective motion correction: a feasibility study in motion-sensitive patients.Quantitative imaging in medicine and surgery · 2026Article
- HERON: High-Efficiency Real-Time Motion Quantification and Re-Acquisition for Fetal Diffusion MRI.IEEE transactions on medical imaging · 2025Article
- Motion compensated structured low-rank reconstruction for 3D multi-shot EPI.Magnetic resonance in medicine · 2024Article
- Awake pediatric brain-MRI: a fast multi-sequence scan augmented with motion compensated single-shot 2D acquisitions.Radiology advances · 2024Article
- Robust retrospective motion correction of head motion using navigator-based and markerless motion tracking techniques.Magnetic resonance in medicine · 2023Article
- Applications of advanced diffusion MRI in early brain development: a comprehensive review.Brain structure & function · 2023Review
- External Hardware and Sensors, for Improved MRI.Journal of magnetic resonance imaging : JMRI · 2023Review
- What's new and what's next in diffusion MRI preprocessing.NeuroImage · 2022Review
- Accelerated 3D whole-brain T1, T2, and proton density mapping: feasibility for clinical glioma MR imaging.Neuroradiology · 2021Article
- Prospective motion correction for diffusion weighted EPI of the brain using an optical markerless tracker.Magnetic resonance in medicine · 2021Article
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Authors and funding
9 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTo enable motion-robust diffusion weighted imaging of the brain using well-established imaging techniques.
methodsAn optical markerless tracking system was used to estimate and correct for rigid body motion of the head in real time during scanning. The imaging coordinate system was updated before each excitation pulse in a single-shot EPI sequence accelerated by GRAPPA with motion-robust calibration. Full Fourier imaging was used to reduce effects of motion during diffusion encoding. Subjects were imaged while performing prescribed motion patterns, each repeated with prospective motion correction on and off.
resultsProspective motion correction with dynamic ghost correction enabled high quality DWI in the presence of fast and continuous motion within a 10° range. Images acquired without motion were not degraded by the prospective correction. Calculated diffusion tensors tolerated the motion well, but ADC values were slightly increased.
conclusionsProspective correction by markerless optical tracking minimizes patient interaction and appears to be well suited for EPI-based DWI of patient groups unable to remain still including those who are not compliant with markers.
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