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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 20 — Jul. 10, 2011
  • pp: 3685–3690

Dynamic tomography with a priori information

Glenn R. Myers, Andrew M. Kingston, Trond K. Varslot, Michael L. Turner, and Adrian P. Sheppard  »View Author Affiliations

Applied Optics, Vol. 50, Issue 20, pp. 3685-3690 (2011)

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We present “dynamic tomography” algorithms that allow for the high-resolution, time-resolved imaging of dynamic (i.e., continuously time evolving) complex systems at existing x-ray micro-CT facilities. The behavior of complex systems is constrained by the underlying physics. By exploiting a priori knowledge of the geometry of the physical process being studied to allow the use of sophisticated iterative reconstruction techniques that incorporate constraints, we improve on current frame rates by at least an order of magnitude. This allows time-resolved imaging of previously intractable processes, such as two-phase fluid flow. We present reconstructions from experimental data collected at the Australian National University x-ray micro-CT facility.

© 2011 Optical Society of America

OCIS Codes
(100.6950) Image processing : Tomographic image processing
(340.7440) X-ray optics : X-ray imaging
(110.6955) Imaging systems : Tomographic imaging

ToC Category:
Image Processing

Original Manuscript: January 18, 2011
Revised Manuscript: April 19, 2011
Manuscript Accepted: May 9, 2011
Published: July 8, 2011

Virtual Issues
Vol. 6, Iss. 8 Virtual Journal for Biomedical Optics

Glenn R. Myers, Andrew M. Kingston, Trond K. Varslot, Michael L. Turner, and Adrian P. Sheppard, "Dynamic tomography with a priori information," Appl. Opt. 50, 3685-3690 (2011)

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