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ROBERTO PIRRONE

EXPONENTIAL ENTROPY DRIVEN HUM ON KNEE MR IMAGES

  • Autori: Ardizzone, E.; Pirrone, R.; Gambino, O.
  • Anno di pubblicazione: 2005
  • Tipologia: roceedings (TIPOLOGIA NON ATTIVA)

Abstract

A very important artifact corrupting magnetic resonance images is the RF inhomogeneity. This kind of artifact generates variations of illumination which trouble both direct examination by the doctor and segmentation algorithms. Even if homomorphic filtering approaches have been presented in literature, none of them has developed a measure to determine the cut-off frequency. In this work we present a measure based on information theory with a large experimental setup aimed to demonstrate the validity of our approach

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