期刊
IEEE TRANSACTIONS ON MEDICAL IMAGING
卷 31, 期 10, 页码 1922-1928出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMI.2012.2208471
关键词
Model-based reconstruction; optoacoustic tomography; photoacoustic tomography; three-dimensional imaging
类别
资金
- German Research Foundation (DFG) [RA 1848/1]
- ERC Starting Independent Researcher Grant
- ERC Senior Investigator Award
- Medizin Technik BMBF award for excellence in medical innovation
In many practical optoacoustic imaging implementations, dimensionality of the tomographic problem is commonly reduced into two dimensions or 1-D scanning geometries in order to simplify technical implementation, improve imaging speed or increase signal-to-noise ratio. However, this usually comes at a cost of significantly reduced quality of the tomographic data, out-of-plane image artifacts, and overall loss of image contrast and spatial resolution. Quantitative optoacoustic image reconstruction implies therefore collection of point 3-D (volumetric) data from as many locations around the object as possible. Here, we propose and validate an accurate model-based inversion algorithm for 3-D optoacoustic image reconstruction. Superior performance versus commonly-used backprojection inversion algorithms is showcased by numerical simulations and phantom experiments.
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