Simulated Images
from
Computed Tomography

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(This picture is supposed to be viewed with the narrow dimension horizontal.)

The images are interpreted as follows:

  1. The top row is a ideal sinogram (left) and the image reconstructed from it (right). (A sinogram is what the camera measures, that is, projected views of the radioactivity distribution resulting from the injection of a pharmaceutical.)

  2. The middle row represents a pessimistic perturbation of the sinogram (left) and the corresponding superimposition that will corrupt the image (right).

  3. The bottom row shows the corrupted sinogram and the corresponding reconstructed image.

    These images are the result of a tomography project jointly run between the CECM and the Vancouver Hospital. They were produced by Pierre Marechal, CECM/MIRG.