On the direct Fourier method for computer tomography

@article{Gottlieb2000OnTD,
  title={On the direct Fourier method for computer tomography},
  author={David I. Gottlieb and Bertil Gustafsson and Patrik Forss{\'e}n},
  journal={IEEE Transactions on Medical Imaging},
  year={2000},
  volume={19},
  pages={223-232}
}
Considers the direct Fourier methods (DFM's) for reconstructing an image from its given X-ray projections. The main purpose here is to use concepts from numerical analysis to estimate the errors in the methods. The authors also suggest an alternative to the interpolations involved in the DFM's and estimate the number of terms involved. Realizing that one of the main reasons for the degradation of the quality of the reconstruction is the Gibbs phenomenon, the authors suggest a way to overcome… CONTINUE READING
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