Inhomogeneity correction using an estimated linear field map

Magnetic Resonance in Medicine

Volumn 35, Issue 2, 1996, Pages 278-282

  Irarrazabal, Pablo ^a,c   Meyer, Craig H ^a,b   Nishimura, Dwight G ^a   Macovski, Albert ^a  

^a Stanford University ^*  (United States)

^b Universidad Católica de Chile ^*  (United States)

^c PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE   (Chile)

Author keywords

deblurring; field map; inhomogeneity; MRI

Indexed keywords

MAGNETIC RESONANCE IMAGING; MAXIMUM LIKELIHOOD ESTIMATION;

DEBLURRING; FIELD INHOMOGENEITY; IMAGE DISTORTIONS; INHOMOGENEITIES; INHOMOGENEITY CORRECTION; LOCAL FREQUENCY; MAXIMUM LIKELIHOOD ESTIMATOR; PIXEL INTENSITIES;

IMAGE ENHANCEMENT;

ARTICLE; CALCULATION; MAXIMUM LIKELIHOOD METHOD; NUCLEAR MAGNETIC RESONANCE IMAGING;

EID: 0030064662     PISSN: 07403194     EISSN: None     Source Type: Journal    
DOI: 10.1002/mrm.1910350221     Document Type: Article

References (21)

1. W. Edelstein, J. Hutchison, G. Johnson, T. Redpath, Spin warp NMR imaging and applications to human whole-body imaging. Phys. Med. Biol. 25, 751-756 (1980).
2. M. O'Donnell, W. Edelstein, NMR imaging in the presence of magnetic field inhomogeneities and gradient field nonlinearities. Med. Phys. 12, 20-26 (1985).
3. A. Macovski, Volumetric NMR imaging with time-varying gradients. Magn. Reson. Med. 2, 29-40 (1985).
4. S. Norton, Fast magnetic resonance imaging with simultaneously oscillating and rotating gradients. IEEE Trans. Med. Imaging MI-6, 21-31 (1987).
5. A. Maeda, K. Sano, T. Yokoyama, Reconstruction by weighted correlation for MRI with time-varying gradients. IEEE Trans. Med. Imaging 7, 26-31 (1988).
6. C. Meyer, J. Pauly, A. Macovski, D. Nishimura, Simultaneous spatial and spectral selective excitation. Magn. Reson. Med. 15, 287-304 (1990).
7. D. Noll, C. Meyer, J. Pauly, D. Nishimura, A homogeneity correction method for magnetic resonance imaging with time-varying gradients. IEEE Trans. Med. Imaging 10, 629-637 (1991).
8. C. Meyer, B. Hu, D. Nishimura, A. Macovski, Fast spiral coronary artery imaging. Magn. Reson. Med. 28, 202-213 (1992).
9. J. O'Sullivan, A fast sinc function gridding algorithm for Fourier inversion in computer tomography. IEEE Trans. Med. Imaging MI, 200 (1985).
10. J. Jackson, C. Meyer, D. Nishimura, A. Macovski, Selection of a convolution function for Fourier inversion using gridding. IEEE Trans. Med. Imaging 10, 473-478 (1991).
11. P. Irarrazabal, B. Hu, J. Pauly, D. Nishimura, Spatially resolved and localized real-time velocity distribution. Magn. Reson. Med. 30, 207-212 (1993).
12. E. Yudilevich, H. Stark, Spiral sampling in magnetic resonance imaging - the effect of inhomogeneities. IEEE Trans. Med. Imaging MI-6, 337-345 (1987).
13. H. Park, Y. Kim, Z. Cho, Fast gradient-echo chemical-shift imaging. Magn. Reson. Med. 7, 340-345 (1988).
14. E. Schneider, G. Glover, Rapid in vivo proton shimming. Magn. Reson. Med. 18, 335-347 (1991).
15. P. Webb, A. Macovski, Rapid, fully automatic, arbitrary-volume in vivo shimming. Magn. Reson. Med. 20, 113-122 (1991).
16. R. Sepponen, A method for imaging of chemical shift or magnetic field distributions. Magn. Reson. Imaging 3, 163-167 (1985).
17. K. Sekihara, S. Matsui, H. Kohno, NMR imaging for magnets with large nonuniformities. IEEE Trans. Med. Imaging MI-4, 193-199 (1985).
18. T. Reese, T. Davis, R. Weisskoff, Automated shimming at 1.5 T using echo-planar image frequency maps, in "Proc., 12th Annual Scientific Meeting, SMRM, New York, 1993," p. 354.
19. W. Press, B. Flannery, S. Teukolsky, W. Vetterling, "Numerical Recipes in C," Cambridge University Press, 1988.
20. E. Dougherty, "Probability and Statistics for the Engineering, Computing, and Physical Sciences," Prentice Hall Inc., 1990.
21. C. Meyer, K. Li, J. Pauly, A. Macovski, Fast spiral T2-weighted imaging, in "Proc., SMR, 2nd Annual Meeting" San Francisco, 1994, p. 467.