A Reconstruction Algorithm for Photoacoustic Imaging based on the Nonuniform FFT

Details A Reconstruction Algorithm for Photoacoustic Imaging based on the Nonuniform FFT A Reconstruction Algorithm for Photoacoustic Imaging based on the Nonuniform FFT

2008-08-26

arxiv.org/abs/0808.3510v2

IEEE Transactions on Medical Imaging 28(11) pp. 1727-1735 (2009)

Mathematics

Numerical Analysis

22 pages, 8 figures

Scientific paper

Fourier reconstruction algorithms significantly outperform conventional back-projection algorithms in terms of computation time. In photoacoustic imaging, these methods require interpolation in the Fourier space domain, which creates artifacts in reconstructed images. We propose a novel reconstruction algorithm that applies the one-dimensional nonuniform fast Fourier transform to photoacoustic imaging. It is shown theoretically and numerically that our algorithm avoids artifacts while preserving the computational effectiveness of Fourier reconstruction.

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