ArticleMagnetic resonance in medicine2019
Model-based reconstruction framework for correction of signal pile-up and geometric distortions in prostate diffusion MRI.
Article in Magnetic resonance in medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Dual-conditioned diffusion model with anatomical guidance for geometric distortion correction in prostate MRI.European radiology experimental · 2026Article
- Improving magnetic field homogeneity in prostate MR imaging and spectroscopy using an add-on local external shim coil array.Magma (New York, N.Y.) · 2026Article
- Chemical shift-encoded multishot EPI for navigator-free prostate DWI.Magnetic resonance in medicine · 2025Article
- Blip-up blip-down circular EPI (BUDA-cEPI) for distortion-free dMRI with rapid unrolled deep learning reconstruction.Magnetic resonance imaging · 2025Article
- Estimation of undistorted images in brain echo-planar images with distortions using the conjugate gradient method with anatomical regularization.Medical physics · 2022Article
- Image distortion correction for MRI in low field permanent magnet systems with strong BMagma (New York, N.Y.) · 2021Article
- Characterization of BPhysics in medicine and biology · 2020Article
- Distortion correction of diffusion weighted MRI without reverse phase-encoding scans or field-maps.PloS one · 2020Article
- Joint BMagnetic resonance imaging · 2020Article
- Model-based reconstruction framework for correction of signal pile-up and geometric distortions in prostate diffusion MRI.Magnetic resonance in medicine · 2019Article
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Authors and funding
5 authors.
Funding
Abstract
purposeProstate diffusion-weighted MRI scans can suffer from geometric distortions, signal pileup, and signal dropout attributed to differences in tissue susceptibility values at the interface between the prostate and rectal air. The aim of this work is to present and validate a novel model based reconstruction method that can correct for these distortions.
methodsIn regions of severe signal pileup, standard techniques for distortion correction have difficulty recovering the underlying true signal. Furthermore, because of drifts and inaccuracies in the determination of center frequency, echo planar imaging (EPI) scans can be shifted in the phase-encoding direction. In this work, using a B
resultsWithout distortion correction, mean Dice similarity scores between a reference T2W and the uncorrected EPI images were 0.64 and 0.60 for b-values of 0 and 500 s/mm
conclusionModel-based reconstruction can be used for distortion correction in prostate diffusion MRI.
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