Image reconstruction in optoacoustic tomography for dispersive acoustic media
Optics Letters, Vol. 31, Issue 6, pp. 781-783 (2006)
http://dx.doi.org/10.1364/OL.31.000781
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Abstract
Conventional image reconstruction methods for optoacoustic tomography (OAT) assume an idealized, nondispersive acoustic medium. However, the linear attenuation coefficient and the phase velocity of acoustic waves propagating in soft tissue depend on temporal frequency and satisfy a known dispersion law. These frequency-dependent effects are incorporated into an optoacoustic wave equation, and a corresponding reconstruction method for OAT is developed. The improvement in image fidelity that can be achieved over conventional reconstruction methods is demonstrated by use of computer-simulation studies.
© 2006 Optical Society of America
OCIS Codes
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.7170) Medical optics and biotechnology : Ultrasound
ToC Category:
Medical Optics and Biotechnology
History
Original Manuscript: November 22, 2005
Manuscript Accepted: December 9, 2005
Virtual Issues
Vol. 1, Iss. 4 Virtual Journal for Biomedical Optics
Citation
Patrick J. La Rivière, Jin Zhang, and Mark A. Anastasio, "Image reconstruction in optoacoustic tomography for dispersive acoustic media," Opt. Lett. 31, 781-783 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-6-781
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