Ordered subset reconstruction for x-ray CT.

  title={Ordered subset reconstruction for x-ray CT.},
  author={F J Beekma and Chris Kamphuis},
  journal={Physics in medicine and biology},
  volume={46 7},
Statistical methods for image reconstruction such as the maximum likelihood expectation maximization are more robust and flexible than analytical inversion methods and allow for accurate modelling of the counting statistics and photon transport during acquisition of projection data. Statistical reconstruction is prohibitively slow when applied to clinical x-ray CT due to the large data sets and the high number of iterations required for reconstructing high-resolution images. Recently, however… CONTINUE READING