title: Image reconstruction of sequentially sampled echo-planar data.
abstract: For echo-planar imaging (EPI), failure to time-reverse alternate echoes results in aliasing in the image. We encountered image artifacts in EPI acquired on a system with sequential sampling. After examining the source of these image artifacts, we concluded that the artifacts were a result of the type of sampling method used in data acquisition and the way the time-reversal of alternate echoes was carried out prior to Fourier transformation. Two methods are demonstrated to obtain artifact-free EPI with sequential data sampling.
authors.affiliation: Department of Chemistry, Yale University, New Haven, CT 06510.
authors.forename: F
authors.initials: F
authors.lastname: Hyder
authors.forename: D L
authors.initials: DL
authors.lastname: Rothman
authors.forename: A M
authors.initials: AM
authors.lastname: Blamire
mesh_terms: D017352:Echo-Planar Imaging / Q000379:methods*; D007091:Image Processing, Computer-Assisted / Q000379:methods*