A method for enhancing the boundaries of magnetic resonance images (MRIs) using a V-filter (a spatial nonlinear filter) is presented. By iterated V-filtering the signal-to-noise ratio of the MRI can be increased while preserving edge sharpness. A simulation experiment was carried out to evaluate the filter, using clinical brain images. The boundaries of the brain tumor and edematous region were precisely extracted by the region segmentation techniques.<>
Magnetic resonance image enhancement using V-filter
IEEE Aerospace and Electronic Systems Magazine ; 5 , 6 ; 31-35
1990-06-01
304613 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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