Does Fractional Anisotropy Have Better Noise Immunity Characteristics Than Relative Anisotropy in Diffusion Tensor MRI? An Analytical Approach

Magnetic Resonance in Medicine

Volumn 51, Issue 2, 2004, Pages 413-417

  Hasan, Khader M ^a,d   Alexander, Andrew L ^b,c   Narayana, Ponnada A ^a  

^a UNIVERSITY OF TEXAS MEDICAL SCHOOL   (United States)

^b UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE AND PUBLIC HEALTH   (United States)

^c UNIVERSITY OF WISCONSIN MADISON   (United States)

^d NONE   (United States)

Author keywords

Bootstrap; Diffusion tensor imaging; Fractional anisotropy; Monte Carlo Simulations; Relative anisotropy; SNR

Indexed keywords

ANISOTROPY; DIFFUSION; MAGNETIC RESONANCE IMAGING; MONTE CARLO METHODS; SIGNAL TO NOISE RATIO; TENSORS;

ANALYTICAL APPROACH; ANALYTICAL EXPRESSIONS; BOOTSTRAP; DIFFUSION TENSOR; DIFFUSION TENSOR MRI; FRACTIONAL ANISOTROPY; HUMAN SUBJECTS; NOISE IMMUNITY;

DIFFUSION TENSOR IMAGING;

ANALYTIC METHOD; ANISOTROPY; ARTICLE; COMPARATIVE STUDY; CONTROLLED STUDY; DIFFUSION TENSOR IMAGING; HUMAN; HUMAN EXPERIMENT; IMAGE ANALYSIS; MONTE CARLO METHOD; NORMAL HUMAN; PHANTOM; SIGNAL NOISE RATIO;

EID: 0842328868     PISSN: 07403194     EISSN: None     Source Type: Journal    
DOI: 10.1002/mrm.10682     Document Type: Article

References (21)

1. Sotak CH. The role of diffusion tensor imaging in the evaluation of ischemic brain. NMR Biomed 2002;15:561-569.
2. Moseley M, Bammer R, Illes J. Brain diffusion-tensor imaging of cognitive performance. Cognition 2002;50:396-413.
3. Conturo TE, McKinstry RC, Akbudak E, Robinson BH. Encoding of anisotropic diffusion with tetrahedral gradients: a general mathematical diffusion formalism and experimental results. Magn Reson Med 1996;35:399-412.
4. Basser PJ, Pierpaoli C. Microstructural and physiological features of tissues elucidated by quantitative-diffusion-tensor MRI. J Magn Reson B 1996;111:209-219.
5. Pierpaoli C, Basser PJ. Toward a quantitative assessment of diffusion anisotropy [published erratum: Magn Reson Med 1997;37:972]. Magn Reson Med 1996;36:893-906.
6. Pierpaoli C, Basser PJ. Toward a quantitative assessment of diffusion anisotropy [published erratum: Magn Reson Med 1997;37:972]. Magn Reson Med 1996;36:893-906.
7. Sands DE. Vectors and tensors in crystallography. New York: Dover; 1982. p 138.
8. Bahn MM. Invariant and orthonormal scalar measures derived from magnetic resonance diffusion tensor imaging. J Magn Reson 1999;141:68-77.
9. Ulug AM, van Zijl PC. Orientation-independent diffusion imaging without tensor diagonalization: anisotropy definitions based on physical attributes of the diffusion ellipsoid. J Magn Reson Imaging 1999;9:804-813.
10. Skare S, Li TQ, Nordell B, Ingvar M. Noise considerations in the determination of diffusion tensor anisotropy. Magn Reson Imaging 2000;18:659-669.
11. Papadakis NG, Xing D, Houston GC, Smith JM, Smith MI, James MF, Parsons AA, Huang CL, Hall LD, Carpenter TA. A study of rotationally invariant and symmetric indices of diffusion anisotropy. Magn Reson Imaging 1999;17:881-892.
12. Sorensen AG, Wu O, Copen WA, Davis TL, Gonzalez RG, Koroshetz WJ, Reese TG, Rosen BR, Wedeen VJ, Weisskoff RM. Human acute cerebral ischemia: detection of changes in water diffusion anisotropy by using MR imaging. Radiology 1999;212:785-792.
13. Alexander AL, Hasan K, Kindlmann G, Parker DL, Tsuruda JS. A geometric analysis of diffusion tensor measurements of the human brain. Magn Reson Med 2000;44:283-291.
14. Armitage PA, Bastin ME. Selecting an appropriate anisotropy index for displaying diffusion tensor imaging data with improved contrast and sensitivity. Magn Reson Med 2000;44:117-121.
15. Hasan KM, Parker DL, Alexander AL. Magnetic resonance water self-diffusion tensor encoding optimization methods for full brain acquisition. Image Anal Stereol 2002;21:87-96. http://www.stereologysociety.org/pdf/vol21no2/hasan_03.pdf
16. Hasan KM, Basser PJ, Parker DL, Alexander AL. Analytical computation of the eigenvalues and eigenvectors in DT-MRI. J Magn Reson 2001;152:41-47.
17. Prasad PV, Nalcioglu O. A modified pulse sequence for in vivo diffusion imaging with reduced motion artifacts. Magn Reson Med 1991;18:116-131.
18. Hasan KM, Narayana PA. Computation of the mean diffusivity and fractional anisotropy maps without tensor decoding and diagonalization: theoretical analysis and experimental validation. Magn Reson Med 2003;50:589-598.
19. Hasan KM, Parker DL, Alexander AL. Comparison of optimization procedures for diffusion-tensor encoding directions. J Magn Reson Imaging 2001;13:769-780.
20. Pajevic S, Basser J. Parametric and non-parametric statistical analysis of DT-MRI data. J Magn Reson 2003;161:1-14.
21. Anderson AW. Theoretical analysis of the effects of noise on diffusion tensor imaging. Magn Reson Med 2001;46:1174-1188.