期刊
JOURNAL OF BIOMEDICAL OPTICS
卷 17, 期 11, 页码 -出版社
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.JBO.17.11.110504
关键词
optoacoustic tomography; heterogeneous acoustic medium; acoustic scattering and reflection
资金
- German Research Foundation (DFG) Research Grant [RA 1848/1]
- ERC Starting Independent Researcher Grant
- ERC Senior Investigator Award
- Medizin Technik BMBF
The quality of optoacoustic tomographic reconstructions can be severely affected by acoustic reflections or scattering arising at interfaces of highly mismatched organs, such as bones, lungs, or other air-containing cavities. We present a procedure to reduce the associated artefacts based on estimation of the acoustic scatterers distribution within the imaged object. Signals generated by a strong optical absorber are processed and used in a weighted back-projection algorithm. Experimental results in a tissue-mimicking phantom clearly demonstrate improved performance as compared to the case in which no information on the distribution of acoustic scatterers is available. (c) 2012 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.JBO.17.11.110504]
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