Research Papers: Imaging

Ultrasound-guided photoacoustic image reconstruction: image completion and boundary suppression

[+] Author Affiliations
Pieter Kruizinga, Frits Mastik, Dion Koeze, Gijs van Soest

Thorax Center, Erasmus Medical Center, Rotterdam, P.O. Box 2040, 3000CA Rotterdam, The Netherlands

Nico de Jong, Anton F. W. van der Steen

Thorax Center, Erasmus Medical Center, Rotterdam, P.O. Box 2040, 3000CA Rotterdam, The Netherlands

Interuniversity Cardiology Institute of The Netherlands, P.O. Box 19258, 3501DG Utrecht, The Netherlands

Delft University of Technology, Department of Imaging Science and Technology, Lorentzweg 1, 2628 CJ, Delft, The Netherlands

J. Biomed. Opt. 18(9), 096017 (Sep 25, 2013). doi:10.1117/1.JBO.18.9.096017
History: Received June 11, 2013; Revised August 11, 2013; Accepted September 11, 2013
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Abstract.  Photoacoustic (PA) image reconstruction of data acquired with conventional linear arrays suffers from incompleteness due to limited bandwidth and limited view. This problem is compounded by the dominance of boundary signals suppressing other weaker PA sources. In this study, we propose a method that uses a naturally coregistered ultrasound image to enhance the PA image reconstruction, with the dual aim to reconstruct the sources that suffer from incompleteness and reveal weak sources near a strong boundary. In this method, an ultrasound image provides the input for a PA wave field simulation. The simulated PA field can be combined with the measured fields to complete the partial reconstruction or to suppress the dominant boundary signals. Experimental validation of the method was performed with two different phantoms and in vivo data from the lower arm of a healthy volunteer.

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© 2013 Society of Photo-Optical Instrumentation Engineers

Citation

Pieter Kruizinga ; Frits Mastik ; Dion Koeze ; Nico de Jong ; Anton F. W. van der Steen, et al.
"Ultrasound-guided photoacoustic image reconstruction: image completion and boundary suppression", J. Biomed. Opt. 18(9), 096017 (Sep 25, 2013). ; http://dx.doi.org/10.1117/1.JBO.18.9.096017


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