期刊
BIOMEDICAL OPTICS EXPRESS
卷 6, 期 7, 页码 2424-2434出版社
OPTICAL SOC AMER
DOI: 10.1364/BOE.6.002424
关键词
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资金
- China Scholarship Council (CSC)
- European Community's FP7 [317526]
- University of Lyon, within the Investissements d'Avenir program of the French National Research Agency (ANR) [ANR-10-LABX-0060, ANR-11-LABX-0063, ANR-11-IDEX-0007]
This paper proposes a multigrid inversion framework for quantitative photoacoustic tomography reconstruction. The forward model of optical fluence distribution and the inverse problem are solved at multiple resolutions. A fixed-point iteration scheme is formulated for each resolution and used as a cost function. The simulated and experimental results for quantitative photoacoustic tomography reconstruction show that the proposed multigrid inversion can dramatically reduce the required number of iterations for the optimization process without loss of reliability in the results. (C) 2015 Optical Society of America
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