Robust myelin water quantification: Averaging vs. spatial filtering

Magnetic Resonance in Medicine

Volumn 50, Issue 1, 2003, Pages 206-209

  Jones, Craig K ^a,b   Whittall, Kenneth P ^a   MacKay, Alex L ^a  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^b #211 2386 East Mall ^*  (Canada)

Author keywords

Anisotropic diffusion filter; Image processing; Myelin; SNR; T2 estimation

Indexed keywords

BEAMFORMING; CURVE FITTING; DATA ACQUISITION; IMAGE PROCESSING;

ANISOTROPIC DIFFUSION FILTERS; CURVE FITTING ALGORITHM; HIGH SIGNAL-TO-NOISE RATIO; MYELIN; MYELIN WATER FRACTIONS; NOISE REDUCTION FILTERS; SPATIAL FILTERINGS; WATER QUANTIFICATION;

SIGNAL TO NOISE RATIO;

MYELIN;

ALGORITHM; ANISOTROPY; ARTICLE; AVERAGING; BRAIN REGION; CURVE FITTING; DIGITAL FILTERING; ELECTRON SPIN RESONANCE; HUMAN; HUMAN EXPERIMENT; IMAGE PROCESSING; NOISE REDUCTION; NORMAL HUMAN; NUCLEAR MAGNETIC RESONANCE IMAGING; QUANTITATIVE ANALYSIS; SIGNAL DETECTION; SIGNAL NOISE RATIO;

EID: 0038600779     PISSN: 07403194     EISSN: None     Source Type: Journal    
DOI: 10.1002/mrm.10492     Document Type: Article

References (16)

1. Menon RS, Allen PS. Application of continuous relaxation time distributions to the fitting of data from model systems and excised tissue. Magn Reson Med 1991;20:214-227.
2. Stewart WA, MacKay AL, Whittall KP, Moore GRW, Paty DW. Spin-spin relaxation in experimental allergic encephalomyelitis. Analysis of CPMG data uing a non-linear least squares method and linear inverse theory. Magn Reson Med 1993;29:767-775.
3. MacKay AL, Whittall KP, Adler J, Li DKB, Paty DW, Graeb D. In vivo visualization of myelin water in brain by magnetic resonance. Magn Reson Med 1994;31:673-677.
4. 2 distributions and water contents in normal human brain. Magn Reson Med 1997;37:34-43.
5. Lawson CL, Hanson RJ. Solving least square problems. Englewood Cliffs, NJ: Prentice Hall;1974.
6. 2 relaxation data. Magn Reson Med 1996;35:370-378.
7. Perona P, Malik J. Scale-space and edge detection using anisotropic diffusion. IEEE Trans Pattern Anal Machine Intell 1990;12:629-639.
8. Gerig G, Kubler O, Kikinis R, Jolesz F. Nonlinear anisotropic filtering of MRI data. IEEE Trans Med Imag 1992;11:221-231.
9. Mitchell JR, Karlik SJ, Lee DH, Eliasziw M, Rice GP, Fenster A. Quantification of multiple sclerosis lesion volumes in 1.5 and 0.5 T anisotropically filtered and unfiltered MR exams. Med Phys 1996;23:115-126.
10. Mackiewich B. Intracranial boundary detection and radio frequency correction in magnetic resonance images, Master's thesis, Simon Fraser University, 1995.
11. Orkisz MM, Bresson C, Magnin IE, Champin O, Douek PC. Improved vessel visualization in MR angiography by nonlinear anisotropic filtering. Magn Reson Med 1997;37:914-919.
12. Zingale R, Zingale A. Detection of MRI brain contour using isotropic and anisotropic diffusion filter. A comparative study. J Neurosurg Sci 1998;42:111-114.
13. 2 quantitation for clinical applications. J Magn Reson Imag 1992;2:541-553.
14. Gudbjartsson H, Patz S. The Rician distribution of noisy MRI data. Magn Reson Med 1995:34:910-914.
15. Whittall KP, MacKay AL. Quantitative interpretation of NMR relaxation data. J Magn Reson 1989;84:134-152.
16. Efron B, Tibshirani R. Bootstrap methods for standard errors, confidence intervals, and other measures of statistical accuracy. Stat Sci 1986;1:54-77.