Optical head tracking for functional magnetic resonance imaging using structured light

Andrei A. Zaremba, Duncan L. MacFarlane, Wei Che Tseng, Andrew J. Stark, Richard W. Briggs, Kaundinya S. Gopinath, Sergey Cheshkov, Keith D. White

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

An accurate motion-tracking technique is needed to compensate for subject motion during functional magnetic resonance imaging (fMRI) procedures. Here, a novel approach to motion metrology is discussed. A structured light pattern specifically coded for digital signal processing is positioned onto a fiduciary of the patient. As the patient undergoes spatial transformations in 6 DoF (degrees of freedom), a high-resolution CCD camera captures successive images for analysis on a computing platform. A high-speed image processing algorithm is used to calculate spatial transformations in a time frame commensurate with patient movements (10- 100 ms) and with a precision of at least 0.5 μm for translations and 0.1 deg for rotations.

Original languageEnglish (US)
Pages (from-to)1551-1557
Number of pages7
JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
Volume25
Issue number7
DOIs
StatePublished - 2008

Fingerprint

CCD cameras
Digital signal processing
magnetic resonance
Image processing
fiduciaries
metrology
image processing
signal processing
platforms
degrees of freedom
high speed
Magnetic Resonance Imaging
high resolution

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Computer Vision and Pattern Recognition

Cite this

Zaremba, A. A., MacFarlane, D. L., Tseng, W. C., Stark, A. J., Briggs, R. W., Gopinath, K. S., ... White, K. D. (2008). Optical head tracking for functional magnetic resonance imaging using structured light. Journal of the Optical Society of America A: Optics and Image Science, and Vision, 25(7), 1551-1557. https://doi.org/10.1364/JOSAA.25.001551

Optical head tracking for functional magnetic resonance imaging using structured light. / Zaremba, Andrei A.; MacFarlane, Duncan L.; Tseng, Wei Che; Stark, Andrew J.; Briggs, Richard W.; Gopinath, Kaundinya S.; Cheshkov, Sergey; White, Keith D.

In: Journal of the Optical Society of America A: Optics and Image Science, and Vision, Vol. 25, No. 7, 2008, p. 1551-1557.

Research output: Contribution to journalArticle

Zaremba, AA, MacFarlane, DL, Tseng, WC, Stark, AJ, Briggs, RW, Gopinath, KS, Cheshkov, S & White, KD 2008, 'Optical head tracking for functional magnetic resonance imaging using structured light', Journal of the Optical Society of America A: Optics and Image Science, and Vision, vol. 25, no. 7, pp. 1551-1557. https://doi.org/10.1364/JOSAA.25.001551
Zaremba, Andrei A. ; MacFarlane, Duncan L. ; Tseng, Wei Che ; Stark, Andrew J. ; Briggs, Richard W. ; Gopinath, Kaundinya S. ; Cheshkov, Sergey ; White, Keith D. / Optical head tracking for functional magnetic resonance imaging using structured light. In: Journal of the Optical Society of America A: Optics and Image Science, and Vision. 2008 ; Vol. 25, No. 7. pp. 1551-1557.
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