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Artefact reduction in optoacoustic tomographic imaging by estimating the distribution of acoustic scatterers.
J. Biomed. Opt. 17:110504 (2012)
Publ. Version/Full Text Volltext
DOI
PMC
ABSTRACT. 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.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
optoacoustic tomography; heterogeneous acoustic medium; accoustic scattering and reflection; In-vivo ; Photoacoustic Tomography ; Reconstruction
ISSN (print) / ISBN
1083-3668
e-ISSN
1560-2281
Journal
Journal of Biomedical Optics
Quellenangaben
Volume: 17,
Issue: 11,
Article Number: 110504
Publisher
SPIE
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Biological and Medical Imaging (IBMI)