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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 17 — Aug. 17, 2009
  • pp: 14466–14480

Influence of imaging geometry on noise texture in quantitative in-line X-ray phase-contrast imaging

Cheng-Ying Chou and Mark A. Anastasio  »View Author Affiliations


Optics Express, Vol. 17, Issue 17, pp. 14466-14480 (2009)
http://dx.doi.org/10.1364/OE.17.014466


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Abstract

Quantitative in-line X-ray phase-contrast imaging methods seek to reconstruct separate images that depict an object’s projected absorption and refractive properties. An understanding of the statistical properties of the reconstructed images can facilitate the identification of optimal imaging parameters for specific diagnostic tasks. However, the statistical properties of quantitative X-ray phase-contrast imaging remain largely unexplored. In this work, we derive analytic expressions that describe the second-order statistics of the reconstructed absorption and phase images. Concepts from statistical decision theory are applied to demonstrate how the statistical properties of images corresponding to distinct imaging geometries can influence signal detectability.

© 2009 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(110.4280) Imaging systems : Noise in imaging systems
(110.7440) Imaging systems : X-ray imaging
(170.3010) Medical optics and biotechnology : Image reconstruction techniques

ToC Category:
Imaging Systems

History
Original Manuscript: May 21, 2009
Revised Manuscript: July 23, 2009
Manuscript Accepted: July 24, 2009
Published: August 3, 2009

Virtual Issues
Vol. 4, Iss. 10 Virtual Journal for Biomedical Optics

Citation
Cheng-Ying Chou and Mark A. Anastasio, "Influence of imaging geometry on noise texture in quantitative in-line X-ray phase-contrast imaging," Opt. Express 17, 14466-14480 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-17-14466


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