MR spectroscopy quantitation: A review of time-domain methods

NMR in Biomedicine

Volumn 14, Issue 4, 2001, Pages 233-246

  Vanhamme, Leentie ^a   Sundin, Tomas ^b   Van Hecke, Paul ^a   Van Huffel, Sabine ^a  

^a UNIVERSITY OF LEUVEN   (Belgium)

^b UPPSALA UNIVERSITY   (Sweden)

Author keywords

MRS; Quantitation; Signal processing; Time domain

Indexed keywords

ALGORITHMS; DEFECTS; MAGNETIC RESONANCE SPECTROSCOPY; PROCESSING; SIGNAL TO NOISE RATIO; TIME DOMAIN ANALYSIS;

QUANTITATION;

BIOMEDICAL ENGINEERING;

ADENOSINE TRIPHOSPHATE; PHOSPHATASE; PHOSPHATE; PHOSPHODIESTERASE;

ALGORITHM; ALPHA CHAIN; ANIMAL TISSUE; BETA CHAIN; CONTRAST ENHANCEMENT; CONTROLLED STUDY; IMAGE RECONSTRUCTION; INFORMATION PROCESSING; MEASUREMENT; METHODOLOGY; NONHUMAN; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PHOSPHORUS NUCLEAR MAGNETIC RESONANCE; PRIORITY JOURNAL; PROTON NUCLEAR MAGNETIC RESONANCE; QUANTITATIVE ASSAY; RAT; REVIEW; SIGNAL PROCESSING; TIME;

ALGORITHMS; MAGNETIC RESONANCE SPECTROSCOPY; MATHEMATICS; SIGNAL PROCESSING, COMPUTER-ASSISTED; TIME;

EID: 0034963583     PISSN: 09523480     EISSN: None     Source Type: Journal    
DOI: 10.1002/nbm.695     Document Type: Review

References (95)

1. 1H spectra
2. Versatile frequency domain fitting using time domain models and prior knowledge
3. 1H MR spectra of brain using AMARES
4. 1H MR spectra: Prior knowledge, peak elimination, and filtering
5. Estimation of metabolite concentrations from localized in vivo proton NMR spectra
6. Automated spectral analysis I: Formation of a priori information by spectral simulation
7. 1H metabolites using PRESS-numerical modeling and basis function calculation
8. The response of coupled spins to the STEAM sequence-improving quantification
9. Sources of variability in the response of coupled spins to the PRESS sequence and their potential impact on metabolite quantification
10. Evaluation of manual methods for integration of in vivo phosphorus NMR spectra
11. Influence of noise on peak integrals obtained by direct summation
12. Quantitative analysis of complicated nonideal Fourier transform NMR spectra
13. 1H NMR spectra of human blood plasma
14. A global approach to accurate and automatic quantitative analysis of NMR spectra by complex least-squares curve fitting
15. Accurate numerical approximation to the Gauss-Lorentz lineshape
16. A simple method for baseline correction in EPR spectroscopy
17. The differentiation of pseudo-inverses and nonlinear least squares problems whose variables separate
18. Parametric estimation of time-domain NMR signals using simulated annealing
19. Application of genetic algorithms to spectral quantification
20. Heuristic optimization algorithms applied to the quantification of spectroscopic data
21. 31P brain spectra
22. 31P NMR signals using the variable projection method and prior knowledge
23. Some aspects of non-linear least squares calculations
24. Improved method for accurate and efficient quantification of MRS data with use of prior knowledge
25. Maximum-likelihood estimation for nuclear magnetic resonance spectroscopy
26. Parallel algorithms for maximum-likelihood nuclear magnetic resonance spectroscopy
27. RELAX-based estimation of damped sinusoidal signal parameters
28. Estimation of parameters of exponentially damped sinusoids using fast maximum likelihood estimation with application to NMR spectroscopy data. IEEE Trans
29. Spectral fitting of NMR spectra using an alternating optimization method with a priori knowledge
30. Linear prediction and maximum entropy methods in NMR spectroscopy
31. Improved methods for quantitative spectral analysis of NMR data
32. Linear prediction spectral analysis of NMR data
33. Analysis of NMR data using time-domain fitting procedures
34. Estimating the parameters of exponentially damped sinusoids and pole-zero modeling in noise
35. Retrieval of frequencies, amplitudes, damping factors, and phases from time-domain signals using a linear least-squares procedure
36. An alternative to Fourier Transform spectral analysis with improved resolution
37. Spectral estimation of complex time-domain NMR signals by linear prediction
38. Quantitative analysis of NMR spectra by linear prediction and total least squares
39. "Fast" linear prediction (FLP) and its application to NMR spectroscopy
40. Improvement and automation of the LPSVD algorithm by continuous regularization of the singular values
41. Automatic in vivo NMR data processing based on an enhancement procedure and linear prediction method
42. The use of continuous regularization in the automated analysis of MRS time domain data
43. Full automation of automation of in vivo NMR by LPSVD(CR) and EPLPSVD
44. A signal enhancement algorithm for time-domain data MR quantification
45. Improved algorithm for noniteractive time-domain model fitting to exponentially damped magnetic resonance signals
46. State-space and singular-value decomposition-based approximation methods for the harmonic retrieval problem
47. Algorithm for time-domain NMR data fitting based on total least squares
48. SVD-based quantification of magnetic resonance signals
49. Matrix pencil method for estimating parameters of exponentially damped/undamped sinusoids in noise
50. A novel detection-estimation scheme for noisy NMR signals: Applications to delayed acquisition data
51. Relationship between matrix pencil and state space based harmonic retrieval methods
52. Spectral parameter estimation by an iterative quadratic maximum likelihood method
53. Exact maximum likelihood parameter estimation of superimposed exponential signals in noise
54. Structured total least squares: Analysis, algorithms and applications
55. Parameter estimation with prior knowledge of known signal poles for the quantification of NMR spectroscopy data in the time domain
56. Improved methods for exponential parameter estimation in the presence of known poles and noise
57. Subspace-based exponential data modeling using prior knowledge
58. Improving blackbox mrs data quantification by means of prior knowledge
59. Time-domain quantification of series of biomedical magnetic resonance spectroscopy signals
60. 2D approach to quantification of inversion-recovery data
61. Two-dimensional fitting with prior knowledge constraints: The solution for glutamate/glutamine quantitation at 1.5T?
62. Multichannel quantification of biomedical magnetic resonance spectroscopic signals
63. Magnetic resonance spectroscopic quantitation via complex principal component analysis
64. Magnetic resonance spectroscopic quantitation via complex principal component analysis and hankel total least squares methods
65. 1 components and evaluation of parametrized vs. Non-parametrized models
66. Automated spectral analysis II: Application of wavelet shrinkage for characterization of non-parameterized signals
67. 1H MR spectra
68. Postacquisition data processing method for suppression of the solvent signal
69. Improved solvent suppression in one-and two-dimensional NMR spectra by convolution of time-domain data
70. Post-acquisition reduction of water signals in proton spectroscopic imaging of the brain
71. 1H spectra: From finite impulse response filter design for solvent suppression to parameter estimation
72. The action of time-domain convolution filters for solvent suppression
73. The continuous wavelet transform, an analysis tool for NMR spectroscopy
74. Water peak suppression: Time-frequency vs time-scale approach
75. The filtering approach to solvent peak suppression in MRS: A critical review
76. 1H magnetic resonance spectra
77. Distortation-free suppression of the residual water peak in proton spectra by postprocessing
78. Fast removal of residual water in proton spectra
79. Frequency-selective quantification of biomedical magnetic resonance spectroscopy data
80. Post-acquisition solvent suppression by singular-value decomposition
81. Frequency-selective quantification in the time domain
82. LP-ZOOM, a linear prediction method for local spectral analysis of NMR signals
83. Frequency-selective MRS data quantification with frequency prior knowledge
84. o field shifts following the application of pulsed gradients by phase correction in the time domain
85. In vivo proton spectroscopy in presence of eddy currents
86. Compensation of instrumental imperfections by deconvolution using an internal reference signal
87. Reference deconvolution. Elimination of distortions arising from reference line truncation
88. QUALITY: Quantification improvement by converting lineshapes to the Lorentzian type
89. Automated processing for proton spectroscopic imaging using water reference deconvolution
90. Automated single-voxel proton MRS: Technical development and multisite verification
91. Spectral lineshape determination by self-deconvolution
92. Water referencing for spectroscopic imaging
93. Inhomogeneity correction for in vivo spectroscopy by high-resolution water referencing
94. A flexible spline model of the spin echo with applications to estimation of the spin-spin relaxation time