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Interleaved Asymmetric Echo‐planar Imaging by Franciszek Hennel; Jean‐François Nédélec is a Medicine article available to read on EtoBox.

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## Abstract A version of interleaved echo‐planar imaging (EPI) is presented in which only one polarity of the readout gradient is used for signal acquisition to avoid ghosting artifacts. Two possible forms of the phase encoding gradient, blipped and constant, are discussed. With the constant phase encoding, interleaving of partial trajectories in the Fourier domain (__k__‐space) is controlled automatically by the echo train delay. The constant phase encoding gradient introduces a shear distortion of the __k__‐space grid. A modification of the reconstruction procedure is given which corrects for this effect. The method provides a 128 × 128 image in 1 s on a clinical system with standard gradients.

Who reads Interleaved Asymmetric Echo‐planar Imaging?

Author

Franciszek Hennel; Jean‐François Nédélec

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0740-3194)

Published

1995

Language

EN

Field

Medicine (Health Sciences)