A cone-beam tomography algorithm for orthogonal circle-and-line orbit.

  title={A cone-beam tomography algorithm for orthogonal circle-and-line orbit.},
  author={G L Zeng and Grant T. Gullberg},
  journal={Physics in medicine and biology},
  volume={37 3},
A cone-beam algorithm which provides a practical implementation of B D Smith's cone-beam inversion formula is presented. For a cone-beam vertex orbit consisting of a circle and an orthogonal line. This geometry is easy to implement in a SPECT system, and it satisfies the cone-beam data sufficiency condition. The proposed algorithm is in the form of a convolution-back projection, and requires a pre-filtering procedure. Computer simulations show a reduction of the artifacts that are found with… CONTINUE READING

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