ArticleMagnetic resonance in medicine2018
Prospective motion correction using coil-mounted cameras: Cross-calibration considerations.
Article in Magnetic resonance in medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- gammaSTAR: A framework for the development of dynamic, real-time capable MR sequences.Magnetic resonance in medicine · 2025Article
- Motion-Robust Direct Myelin Imaging in MRI using Self-Gating.Research square · 2025Article
- Test Platform for Developing New Optical Position Tracking Technology towards Improved Head Motion Correction in Magnetic Resonance Imaging.Sensors (Basel, Switzerland) · 2024Article
- External Hardware and Sensors, for Improved MRI.Journal of magnetic resonance imaging : JMRI · 2023Review
- Deep Learning for Image Enhancement and Correction in Magnetic Resonance Imaging-State-of-the-Art and Challenges.Journal of digital imaging · 2023Review
- Prospective motion correction for diffusion weighted EPI of the brain using an optical markerless tracker.Magnetic resonance in medicine · 2021Article
- High-resolution Structural Magnetic Resonance Imaging and Quantitative Susceptibility Mapping.Magnetic resonance imaging clinics of North America · 2021Review
- A within-coil optical prospective motion-correction system for brain imaging at 7T.Magnetic resonance in medicine · 2020Article
- Toward "plug and play" prospective motion correction for MRI by combining observations of the time varying gradient and static vector fields.Magnetic resonance in medicine · 2019Article
- Rigid Motion Correction for Brain PET/MR Imaging using Optical Tracking.IEEE transactions on radiation and plasma medical sciences · 2019Article
- Markerless high-frequency prospective motion correction for neuroanatomical MRI.Magnetic resonance in medicine · 2019Article
- A Wireless Radio Frequency Triggered Acquisition Device (WRAD) for Self-Synchronised Measurements of the Rate of Change of the MRI Gradient Vector Field for Motion Tracking.IEEE transactions on medical imaging · 2019Article
- Ultra-Low-DoseRadiology · 2019Article
- Resting State fMRI: Going Through the Motions.Frontiers in neuroscience · 2019Review
- Head motion measurement and correction using FID navigators.Magnetic resonance in medicine · 2019Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
purposeOptical prospective motion correction substantially reduces sensitivity to motion in neuroimaging of human subjects. However, a major barrier to clinical deployment has been the time-consuming cross-calibration between the camera and MRI scanner reference frames. This work addresses this challenge.
methodsA single camera was mounted onto the head coil for tracking head motion. Two new methods were developed: (1) a rapid calibration method for camera-to-scanner cross-calibration using a custom-made tool incorporating wireless active markers, and (2) a calibration adjustment method to compensate for table motion between scans. Both methods were tested at 1.5T and 3T in vivo. Simulations were performed to determine the required mechanical tolerance for repositioning of the camera.
resultsThe rapid calibration method is completed in a short (<30 s) scan, which is carried out only once per installation. The calibration adjustment method requires no extra scan time and runs automatically whenever the system is used. The mechanical tolerance analysis indicates that most motion (90% reduction in voxel displacement) could be corrected even with far larger camera repositioning errors than are observed in practice.
conclusionThe methods presented here allow calibration of sufficient quality to be carried out and maintained with no additional technologist workload. Magn Reson Med 79:1911-1921, 2018. © 2017 International Society for Magnetic Resonance in Medicine.
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