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Correction of off resonance‐related distortion in echo‐planar imaging using EPI‐based field maps
Abstract
We present, here, a simple method for measurement and correction of off‐resonance related geometric distortion in echo‐planar imaging (EP1). This method uses high signal‐to‐noise ratio (SNR) EPI‐based field maps, rapidly acquired using a series of gradient recalled images collected across a range of TE values. This field map is distorted in the same manner as the EPI images to be unwarped, providing a direct look‐up table for the correct location of each pixel of data. This method adds very little scan time and is robust and easy to implement.
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Citations
Cited by
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Andersson, J. L. R., Hutton, C., Ashburner, J., Turner, R., & Friston, K. (2001) · NeuroImage · doi:10.1006/nimg.2001.0746 · Cited by 1,011
Face processing occurs outside the fusiform ‘face area’ in autism: evidence from functional MRI
Pierce, K. (2001) · Brain · doi:10.1093/brain/124.10.2059 · Cited by 898
Twenty‐five pitfalls in the analysis of diffusion MRI data
Jones, D. K., & Cercignani, M. (2010) · NMR in Biomedicine · doi:10.1002/nbm.1543 · Cited by 827
Allen, G., & Courchesne, E. (2003) · American Journal of Psychiatry · doi:10.1176/appi.ajp.160.2.262 · Cited by 366
Zaitsev, M., Hennig, J., & Speck, O. (2004) · Magnetic Resonance in Medicine · doi:10.1002/mrm.20261 · Cited by 349
Metadata
- Authors
- Reber, P. J., Wong, E. C., Buxton, R. B., & Frank, L. R.
- Venue
- Magnetic Resonance in Medicine
- Publisher
- Wiley
- Published
- 1998-02
- Volume
- 39
- Issue
- 2
- Pages
- 328-330
- ISSN
- 0740-3194 (ISSN-L)
- 1522-2594
- OpenAlex
- W2090988373
- Cited by
- 223
- References
- 0
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Correction of off resonance‐related distortion in echo‐planar imaging using EPI‐based field maps. https://app.cochat.ai/papers/10.1002/mrm.1910390223
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- Reber, P. J., Wong, E. C., Buxton, R. B., & Frank, L. R. (1998). Correction of off resonance‐related distortion in echo‐planar imaging using EPI‐based field maps. Magnetic Resonance in Medicine. https://doi.org/10.1002/mrm.1910390223
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