Reference-Scan-Free Method for Automated Correction of Nyquist Ghost Artifacts in Echoplanar Brain Images

Magnetic Resonance in Medicine

Volumn 51, Issue 3, 2004, Pages 621-624

  Zhang, Yan ^a   Wehrli, Felix W ^a  

^a HOSPITAL OF THE UNIVERSITY OF PENNSYLVANIA   (United States)

Author keywords

Echo planar imaging; Nyquist ghost; Reference scan free; Second moment

Indexed keywords

ECHO PLANAR IMAGING; K-SPACE DATUM; LOW-FREQUENCY; NONLINEAR PHASE; NYQUIST; PHASE ENCODING; REFERENCE-SCAN-FREE; SECOND MOMENTS;

BRAIN MAPPING;

ALGORITHM; ARTICLE; ARTIFACT; ARTIFACT REDUCTION; BRAIN; CALCULATION; CONTROLLED STUDY; FOURIER TRANSFORMATION; HUMAN; HUMAN EXPERIMENT; IMAGE PROCESSING; IN VIVO STUDY; NEUROIMAGING; NORMAL HUMAN; NUCLEAR MAGNETIC RESONANCE IMAGING; NYQUIST ARTIFACT; PHANTOM;

EID: 1542346907     PISSN: 07403194     EISSN: None     Source Type: Journal    
DOI: 10.1002/mrm.10724     Document Type: Article

References (16)

1. Fischer H, Ladebeck R. Echo-plannar imaging image artifacts. In: Schmitt F, Stehling MK, Turner R, editors. Echo-planar imaging. Berlin: Springer 1998. p 179-200.
2. Boesch C, Gruetter R, Martin E. Temporal and spatial analysis of fields generated by eddy currents in superconducting magnets: optimization of corrections and quantitative characterization of magnet/gradient systems. Magn Reson Med 1991;20:268-284.
3. Zhou XJ, Du YP, Bernstein MA, Reynolds HG, Maier JK, Polzin JA. Concomitant magnetic-field-induced artifacts in axial echo planar imaging. Magn Reson Med 1998;39:596-605.
4. , Grieve SM, Blamire AM, Styles P. Elimination of Nyquist ghosting caused by read-out to phase-encode gradient cross-terms in EPI. Magn Reson Med 2002;47:337-343.
5. Bruder H, Fischer H, Reinfelder HE, Schmitt F. Image reconstruction for echo planar imaging with nonequidistant k-space sampling. Magn Reson Med 1992;23:311-323.
6. Wong EC. Shim insensitive phase correction for EPI using a two echo reference scan. In: Proc 11th SMRM Annual Meeting, Berlin, 1992. p 4514.
7. Jesmanowicz A, Wong EC, Hyde JS. Phase correction for EPI using internal reference lines. In: Proc 12th SMRM Annual Meeting, New York, 1993. p 1239.
8. Kelly D, Ordidge RJ. Techniques for phase correction of raw data for EPI with unshielded gradient coils. In: Proc 12th SMRM Annual Meeting, New York, 1993. p 1237.
9. Zhou X, Epstein FH, Maier JK. Reduction of a new Nyquist ghost in oblique echo planar imaging. In: Proc 4th Scientific Meeting, ISMRM, New York, 1996. p 1477.
10. Hu X, Le TH. Artifact reduction in EPI with phase-encoded reference scan. Magn Reson Med 1996;36:166-171.
11. Reeder SB, Faranesh AZ, Atalar E, McVeigh ER. A novel object-independent "balanced" reference scan for echo-planar imaging. J Magn Reson Imag 1999;9:847-852.
12. Buonocore MH, Gao L. Ghost artifact reduction for echo planar imaging using image phase correction. Magn Reson Med 1997;38:89-100.
13. Buonocore MH, Zhu DC. Image-based ghost correction for interleaved EPI. Magn Reson Med 2001;45:96-108.
14. Foxall DL, Harvey PR, Huang J. Rapid iterative reconstruction for echo planar imaging. Magn Reson Med 1999;42:541-547.
15. Lee KJ, Barber DC, Paley MN, Wilkinson ID, Papadakis NG, Griffiths PD. Image-based EPI ghost correction using an algorithm based on projection onto convex sets (POCS). Magn Reson Med 2002;47:812-817.
16. Press WH, Flannery BP, Teukolsky SA, Vetterling WT. Numerical recipes: the art of scientific computing. Cambridge, UK: Cambridge University Press; 1986.