A simple method to improve image nonuniformity of brain MR images at the edges of a head coil

Journal of Computer Assisted Tomography

Volumn 23, Issue 6, 1999, Pages 1008-1012

  Mohamed, Feroze B ^a   Vinitski, Simon ^b   Faro, Scott H ^a   Ortega, Hector V ^b   Enochs, Scott ^b  

^a DREXEL UNIVERSITY COLLEGE OF MEDICINE   (United States)

^b THOMAS JEFFERSON UNIVERSITY HOSPITAL   (United States)

Author keywords

Head coils Algorithm; Image quality; Magnetic resonance imaging, physics and instrumentation; Magnetic resonance imaging, techniques

Indexed keywords

IMAGE ENHANCEMENT; IMAGE QUALITY; PHANTOMS; PIXELS;

BRAIN MR IMAGES; CORRECTION MATRIX; HEAD COIL ALGORITHM; MAGNETIC RESONANCE IMAGING PHYSICS; MAGNETIC RESONANCE IMAGING, PHYSIC AND INSTRUMENTATION; MAGNETIC RESONANCE IMAGING, TECHNIQUE; NONUNIFORMITY; PHANTOMS; RADIO-FREQUENCY COIL; SIMPLE METHOD;

MAGNETIC RESONANCE IMAGING;

ALGORITHM; ARTICLE; DIAGNOSTIC ACCURACY; HUMAN; IMAGE ANALYSIS; IMAGE PROCESSING; NUCLEAR MAGNETIC RESONANCE IMAGING; PRIORITY JOURNAL; RADIOFREQUENCY;

EID: 0032697017     PISSN: 03638715     EISSN: None     Source Type: Journal    
DOI: 10.1097/00004728-199911000-00035     Document Type: Article

References (14)

1. Wicks AG, Barker GJ, Tofts PS. Correction of intensity nonuniformity in MR images of any orientation. Magn Res Imag 1993; 11:183-96.
2. McVeigh ER, Henkelman RM, Bronskill MJ. Non-uniform sensitivity of receiver coils in MR Imaging. Proc Soc Magn Res Med 1985;1:206.
3. Axel L, Constantini J, Listerud J. Intensity correction in surface coil imaging. AJR 1987;148:418-20.
4. Mohamed FB, Vinitski S, Faro SH, et al. Image non-uniformity correction in high field (1.5T) MRI. Proc Soc Magn Res 1995;2: 764.
5. Tofts PS. Standing waves in uniform water phantoms. J Magn Res [B] 1994;104:143-7.
6. Sekihara K, Kuroda M, Kohno H. Image restoration from nonuniform magnetic field influence for direct Fourier NMR imaging. Phys Med Biol 1984;29:15-24.
7. Tofts PS. RF standing waves in uniform water phantoms. Proc Soc Magn Res 1994;2:872.
8. Simmons A, Tofts PS, Barker G, Arridge SR. Sources of intensity nonuniformity in spin echo images at 1.5 T. Magn Res Med 1994; 32:121-8.
9. Tofts PS, Barker GJ, Simmons A, et al. Correction of nonuniformity in images of the spine and optic nerve from fixed receive-only surface coils at 1.5 T. J Comput Assist Tomogr 1994;186:997-1003.
10. Liney G, Turnbull TW, Knowles AJ. A simple method for the correction of endorectal surface coil inhomogeneity in prostate imaging. J Magn Res Imag 1998;8:994-7.
11. Narayana PA, Borthakur A. Effect of radiofrequency inhomogeneity correction on the reproducibility of intra-cranial volumes using MR image data. Magn Res Med 1995;33:396-400.
12. Vinitski S, Gonzalez C, Mohamed FB, et al. Improved intracranial lesion characterization by tissue segmentation based on 3D feature map. Magn Res Med 1997;37:457-69.
13. Perona P, Malik J. Scale-space and edge detection using anisotropic diffusion. IEEE Patt Anal Mach Intell 1987;12:629-39.
14. Gerig G, Kubler O, Kikinis R, Jolesz FA. Nonlinear anisotropic filtering of MRI data. IEEE Trans Med Imag 1992;11:221-32.