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Fast semi-analytical acoustic inversion for quantitative optoacoustic tomography.

Proc. SPIE 7899:78992R (2011)
Publ. Version/Full Text DOI
Open Access Green as soon as Postprint is submitted to ZB.
We present a fast inversion algorithm for quantitative two- and three-dimensional optoacoustic tomography. The algorithm is based on an accurate and efficient forward model, which eliminates the need for regularization in the inversion and can achieve real-time performance. The reconstruction speed and other algorithmic performances are demonstrated using numerical simulation studies and experimentally on tissue-mimicking optically heterogeneous phantoms and small animals. In the experimental examples, the model-based reconstructions manifested correctly the effect of light attenuation through the objects and did not suffer from the artifacts which usually afflict the commonly used filtered backprojection algorithms, such as negative absorption values.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Imaging ; Inverse Problems ; Optoacoustics ; Photoacoustics ; Tomography
ISSN (print) / ISBN 0277-786X
e-ISSN 1996-756X
Conference Title Photons Plus Ultrasound: Imaging and Sensing 2011
Conference Date January 22, 2011
Conference Location San Francisco, California, USA
Quellenangaben Volume: 7899, Issue: , Pages: , Article Number: 78992R Supplement: ,
Publisher SPIE
Reviewing status Peer reviewed