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Table 2 Average dice coefficients of hard segmentations were obtained from 22 scans, before and after normalization, comparing our method with that of histogram matching [7]

From: Histogram-based normalization technique on human brain magnetic resonance images from different acquisitions

  WM GM CSF Mean
DSC (input image) 0.8092 ± 0.0190 0.6700 ± 0.0496 0.5225 ± 0.0351 0.6751
DSC (normalized image with hist. matching) 0.8149 ± 0.0196 0.6768 ± 0.0506 0.5309 ± 0.0358 0.6832
DSC (normalized image with hist. normalization) 0.8261* ± 0.0178 0.6884* ± 0.0494 0.5482* ± 0.0362 0.6986
  1. Data layout: mean ± std.
  2. * Statistically significantly larger than the other two (p value 0.05).