Removal of Phase Artifacts from fMRI Data Using a Stockwell Transform Filter Improves Brain Activity Detection

Magnetic Resonance in Medicine

Volumn 51, Issue 1, 2004, Pages 16-21

  Goodyear, Bradley G ^a,b   Zhu, Hongmei ^a   Brown, Robert A ^a   Mitchell, J Ross ^a  

^a UNIVERSITY OF CALGARY   (Canada)

^b FOOTHILLS HOSPITAL   (Canada)

Author keywords

Artifacts; Filtering; fMRI; Fourier transform; Motion; Stockwell transform

Indexed keywords

FILTRATION; FOURIER TRANSFORMS; FUNCTIONAL NEUROIMAGING; IMAGE ENHANCEMENT; INFORMATION FILTERING; NEUROPHYSIOLOGY;

1D FOURIER TRANSFORMS; ARTIFACTS; FMRI; FREQUENCY INFORMATION; MATHEMATICAL OPERATIONS; MOTION; STOCKWELL TRANSFORM; TIME-FREQUENCY SPECTRUM;

BRAIN;

ADULT; ARTICLE; ARTIFACT; ARTIFACT REDUCTION; AUTOMATION; CONTROLLED STUDY; DIAGNOSTIC IMAGING; FILTER; FOURIER TRANSFORMATION; FUNCTIONAL ANATOMY; HUMAN; HUMAN EXPERIMENT; MATHEMATICAL ANALYSIS; MOTION; NORMAL HUMAN; NUCLEAR MAGNETIC RESONANCE IMAGING; SIGNAL PROCESSING; STOCKWELL TRANFORM FILTER;

EID: 0345742639     PISSN: 07403194     EISSN: None     Source Type: Journal    
DOI: 10.1002/mrm.10681     Document Type: Article

References (19)

1. Smith SM. Overview of fMRI analysis. In: Jezzard P, Matthews PM, Smith SM, editors. Functional MRI: an introduction to methods. Oxford: Oxford University Press; 2001. p 215-228.
2. McGraw P, Mathews VP, Wang Y, Phillips MD. Approach to functional magnetic resonance imaging of language based on models of language organization. Neuroimag Clin N Am 2001;11:343-353.
3. Martin RC. Language processing: functional organization and neuroanatomical basis. Annu Rev Psychol 2003;54:55-59.
4. Small SL, Burton MW. Functional magnetic resonance imaging studies of language. Curr Neurol Neurosci Rep 2002;2:505-510.
5. Yetkin FZ, Haughton VM, Cox RW, Hyde J, Birn RM, Wong EC, Prost R. Effect of motion outside the field of view on functional MR. AJNR Am J Neuroradiol 1996;17:1005-1009.
6. Birn RM, Bandettini PA, Cox RW, Shaker R. Event-related fMRI of tasks involving brief motion. Hum Brain Mapp 1999;7:106-114.
7. Huang J, Carr TH, Cao Y. Comparing cortical activations for silent and overt speech using event-related fMRI. Hum Brain Mapp 2002;15:39-53.
8. Hu X, Kim SG. Reduction of signal fluctuation in functional MRI using navigator echoes. Magn Reson Med 1994;31:495-503.
9. Glover GH, Li TQ, Ress D. Image-based method for retrospective correction of physiological motion effects in fMRI: RETROICOR. Magn Reson Med 2000;44:162-167.
10. Chuang KH, Chen JH. IMPACT: image-based physiological artifacts estimation and correction technique for functional MRI. Magn Reson Med 2001;46:344-353.
11. Smith SM. Preparing fMRI data for statistical analysis. In: Jezzard P, Matthews PM, Smith SM, editors. Functional MRI: an introduction to methods. Oxford: Oxford University Press: 2001. p 229-241.
12. von Tscharner V, Thulborn KR. Specified-resolution wavelet analysis of activation patterns from BOLD contrast fMRI. Hum Brain Mapp 1998;6:378-382.
13. Brammer MJ. Multidimensional wavelet analysis of functional magnetic resonance images. Magn Reson Med 2001;46:344-353.
14. LaConle SM, Ngan SC, Hu X. Wavelet transform-based Wiener filtering of event-related fMRI data. Magn Reson Med 2000;44:746-757.
15. Stockwell RG, Mansinha L, Lowe RP. Localization of the complex spectrum: the S transform. IEEE Trans Signal Proc 1996;44:998-1001.
16. Mansinha L, Stockwell RG, Lowe RP, Eramian M, Schincariol RA. Local S-spectrum analysis of 1-D and 2-D data. Phys Earth Plan Inter 1997;103:329-336.
17. Zhu H, Goodyear BG, Lauzon ML, Brown RA, Mayer G, Law AG, Mansinha L, Mitchell JR. A new local multiscale Fourier analysis for MRI. Med Physics 2003;30:1134-1141.
18. Goodyear BG, Zhu H, Frayne R, Mitchell JR. Filtering noise from fMRI data using the Stockwell transform. In: Proc 10th Annual Meeting ISMRM, Honolulu, 2000. p 1419.
19. Birn RM, Cox RW, Bandettini PA. Detection versus estimation in eventrelated fMRI: choosing the optimal stimulus timing. Neuroimage 2002;15:252-264.