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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 6, Iss. 7 — Jul. 27, 2011

Image reconstruction in photoacoustic tomography involving layered acoustic media

Robert W. Schoonover and Mark A. Anastasio  »View Author Affiliations

JOSA A, Vol. 28, Issue 6, pp. 1114-1120 (2011)

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Photoacoustic tomography (PAT), also known as thermoacoustic or optoacoustic tomography, is a rapidly emerg ing biomedical imaging technique that combines optical image contrast with ultrasound detection principles. Most existing reconstruction algorithms for PAT assume the object of interest possesses homogeneous acoustic properties. The images produced by such algorithms can contain significant distortions and artifacts when the object’s acoustic properties are spatially variant. In this work, we establish an image reconstruction formula for PAT applications in which a planar detection surface is employed and the to-be-imaged optical absorber is embedded in a known planar layered acoustic medium. The reconstruction formula is exact in a mathematical sense and accounts for multiple acoustic reflections between the layers of the medium. Computer-simulation studies are conducted to demonstrate and investigate the proposed method.

© 2011 Optical Society of America

OCIS Codes
(110.5120) Imaging systems : Photoacoustic imaging
(110.3010) Imaging systems : Image reconstruction techniques

ToC Category:
Imaging Systems

Original Manuscript: January 19, 2011
Manuscript Accepted: February 8, 2011
Published: May 19, 2011

Virtual Issues
Vol. 6, Iss. 7 Virtual Journal for Biomedical Optics

Robert W. Schoonover and Mark A. Anastasio, "Image reconstruction in photoacoustic tomography involving layered acoustic media," J. Opt. Soc. Am. A 28, 1114-1120 (2011)

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