Fourier-based forward and back-projectors in iterative fan-beam tomographic image reconstruction. Zhang, Y. & Fessler, J. A. 2004.
doi  bibtex   
@CONFERENCE{zhang:04:fbf,
 author = {Y. Zhang and J. A. Fessler},
 title = {Fourier-based forward and back-projectors in iterative fan-beam tomographic image reconstruction},
 booktitle = {{Proc. IEEE Intl. Symp. Biomed. Imag.}},
 pages = {{364--7}},
 doi = {10.1109/ISBI.2004.1398550},
 year = 2004
}

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