Journal
BIOMEDICAL OPTICS EXPRESS
Volume 2, Issue 9, Pages 2649-2654Publisher
OPTICAL SOC AMER
DOI: 10.1364/BOE.2.002649
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Funding
- Department of Defense
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Photoacoustic tomography (PAT) is an emerging non-invasive imaging technique with great potential for a wide range of biomedical imaging applications. However, the conventional PAT reconstruction algorithms often provide distorted images with strong artifacts in cases when the signals are collected from few measurements or over an aperture that does not enclose the object. In this work, we present a total-variation-minimization (TVM) enhanced iterative reconstruction algorithm that can provide excellent photoacoustic image reconstruction from few-detector and limited-angle data. The enhancement is confirmed and evaluated using several phantom experiments. (C) 2011 Optical Society of America
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