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Proceedings Paper

Simulating the spatially-dependent frequency response of arbitrary-shape acoustic detectors for optoacoustic imaging
Author(s): Amir Rosenthal; Vasilis Ntziachristos; Daniel Razansky
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Paper Abstract

One of the major challenges of optoacoustic imaging is that it involves relatively weak acoustic signals, which need to be detected with high signal-to-noise ratio (SNR). Because the SNR is generally proportional to the area of the detector's face, large detectors are commonly used. Although the use of such detectors improves the SNR, it may lead to significant signal distortion resulting in artifacts in the reconstructed optoacoustic image. In this work we developed a method for simulating the spatially dependent frequency response of acoustic detectors with arbitrary surface shapes. The frequency response is incorporated into a forward model for optoacoustic propagation. Our method can be used for designing detectors with desired properties and reducing reconstruction artifacts caused by the response of finite-size detectors.

Paper Details

Date Published: 18 February 2011
PDF: 10 pages
Proc. SPIE 7899, Photons Plus Ultrasound: Imaging and Sensing 2011, 78992S (18 February 2011); doi: 10.1117/12.874082
Show Author Affiliations
Amir Rosenthal, Univ. of München (Germany)
Helmholtz Zentrum München GmbH (Germany)
Vasilis Ntziachristos, Univ. of München (Germany)
Helmholtz Zentrum München GmbH (Germany)
Daniel Razansky, Univ. of München (Germany)
Helmholtz Zentrum München GmbH (Germany)

Published in SPIE Proceedings Vol. 7899:
Photons Plus Ultrasound: Imaging and Sensing 2011
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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