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
E ARDIZZONE, R PIRRONE, GAMBINO O (2005). EXPONENTIAL ENTROPY DRIVEN HUM ON KNEE MR IMAGES. In Proc. of 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference (pp.1769-1772). IEEE-press [10.1109/IEMBS.2005.1616789].
EXPONENTIAL ENTROPY DRIVEN HUM ON KNEE MR IMAGES
ARDIZZONE, Edoardo;PIRRONE, Roberto;GAMBINO, Orazio
2005-01-01
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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