期刊
IEEE TRANSACTIONS ON MEDICAL IMAGING
卷 28, 期 11, 页码 1727-1735出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMI.2009.2022623
关键词
Fast Fourier algorithm; image reconstruction; nonuniform FFT; photoacoustic imaging; planar measurement geometry
类别
资金
- Austrian Science Fund (FWF) [S10505-N20]
- Technology Transfer Office of the University Innsbruck (transIT)
Fourier reconstruction algorithms significantly outperform conventional backprojection 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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