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Publication Detail
METHOD AND APPARATUS FOR IMAGING ARTEFACT REDUCTION
  • Publication Type:
    Patent
  • Authors:
    Stoyle PNR, Hill DLG, Atkinson D
  • Publication date:
    15/01/1998
  • Status:
    Published
  • Awarded date:
    15/01/1998
  • Patent number:
    WO9801828A1
Abstract
The invention relates to a method and apparatus for reducing imaging artefacts in physiological images, such as magnetic resonance imaging images. A model of a physical cause for the image artefact is modelled and the effects of perturbing this model on a focus criterion of the image analysed so as to optimise the focus criterion. For an optimised focus criterion, the model should reflect the actual physical cause of the image artefact. A focus criterion is a measure of entropy of the image, with an optimised image having reduced entropy.
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