Finite-element-based photoacoustic tomography: phantom and chicken bone experiments
Applied Optics, Vol. 45, Issue 13, pp. 3177-3183 (2006)
http://dx.doi.org/10.1364/AO.45.003177
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Abstract
We describe a photoacoustic image reconstruction algorithm that is based on the finite-element solution to the photoacoustic wave equation in the frequency domain. Our reconstruction approach is an iterative Newton method coupled with combined Marquardt and Tikhonov regularizations that can extract the spatial distribution of optical-absorption property in heterogeneous media. We demonstrate this algorithm by using phantom and chicken bone measurements from a circular scanning photoacoustic tomography system. The results obtained show that millimeter-sized phantom objects and chicken bones and∕or joints can be clearly detected using our finite-element-based photoacoustic tomography method.
© 2006 Optical Society of America
OCIS Codes
(110.5120) Imaging systems : Photoacoustic imaging
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.5120) Medical optics and biotechnology : Photoacoustic imaging
(170.6960) Medical optics and biotechnology : Tomography
ToC Category:
Medical Optics and Biotechnology
History
Original Manuscript: April 20, 2005
Revised Manuscript: August 17, 2005
Manuscript Accepted: September 21, 2005
Virtual Issues
Vol. 1, Iss. 6 Virtual Journal for Biomedical Optics
Citation
Zhen Yuan, Hongzhi Zhao, Changfeng Wu, Qizhi Zhang, and Huabei Jiang, "Finite-element-based photoacoustic tomography: phantom and chicken bone experiments," Appl. Opt. 45, 3177-3183 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-13-3177
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