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24 October 2012 Artefact reduction in optoacoustic tomographic imaging by estimating the distribution of acoustic scatterers
Xosé Luis Deán-Ben, Vasilis Ntziachristos, Daniel Razansky
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Journal of Biomedical Optics, Vol. 17, Issue 11, 110504 (October 2012). https://doi.org/10.1117/1.JBO.17.11.110504
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.
© 2012 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2012/$25.00 © 2012 SPIE
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Xosé Luis Deán-Ben, Vasilis Ntziachristos, and Daniel Razansky "Artefact reduction in optoacoustic tomographic imaging by estimating the distribution of acoustic scatterers," Journal of Biomedical Optics 17(11), 110504 (24 October 2012). https://doi.org/10.1117/1.JBO.17.11.110504
Published: 24 October 2012
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Cited by 38 scholarly publications.
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KEYWORDS
Acoustics
Tomography
Scattering
Reconstruction algorithms
Sensors
Signal detection
Tissue optics
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