Elimination of the effects of magnetic field inhomogeneities to the measurement of RF excitation profiles by using double gradient reversals

Correction of spatial distortion in EPI

Correction of spatial distortion in EPI due to inhomogeneous static magnetic fields using the reversed gradient method

✍ Paul S. Morgan; Richard W. Bowtell; Dominick J.O. McIntyre; Brian S. Worthington 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 534 KB

## Abstract ## Purpose To derive and implement a method for correcting spatial distortion caused by in vivo inhomogeneous static magnetic fields in echo‐planar imaging (EPI). ## Materials and Methods The reversed gradient method, which was initially devised to correct distortion in images genera