Dynamic distortion correction for improved EPI image quality in MRI

Applications: Magnetic Resonance Imaging (MRI)

An MRI method that reduces motion and field-related distortions in echo-planar imaging, improving image quality for functional and diffusion MRI.

Features	Benefits
Simultaneously generate MRI magnitude images and off-resonance (field inhomogeneity) maps.	Corrects off-resonance induced artefacts in EPI images, such as distortion and fat rings. No field map acquisition required, reducing scan time.
Dynamic off-resonance mapping at high temporal rate.	Corrects dynamic distortion changes caused by motion, respiration and scanner drift, enhancing image quality and precision.
Single-shot multi-echo acquisition enabling Dixon-style water-fat separation.	Highly robust against main magnetic field and transmit field inhomogeneity. Reduced energy deposition and shorter scan time by eliminating the fat suppression pulse. Maintains stability against physiological fluctuations with single-shot readout.
Highly robust to motion with single-shot acquisition.	Ensures reliable imaging even for subjects with significant motion and moving organs.
Versatility Across Modalities.	Applicable to any MRI modalities using an EPI readout, such as diffusion MRI, functional MRI and perfusion MRI.
Joint Multi-Echo image reconstruction.	Ensure comparable data quality as conventional EPI, while providing additional off-resonance information.

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