Table 3.
Average tissues volumes of WM, GM and CSF (without sulcal CSF) obtained from 22 scans in the eleven subjects, before and after normalization, comparing our method with histogram matching (unit: mm3)
| WM | GM | CSF (without sulcal CSF) | |
|---|---|---|---|
| Volume (reference image) | 468,400* ± 54,664 | 538,990* ± 49,667 | 1,260* ± 193 |
| Volume (input image) | 409,480 ± 54,011 | 572,560 ± 47,994 | 1,058 ± 187 |
| Volume (normalized image with hist. match) | 443,790 ± 56,273 | 547,810 ± 53,457 | 1,148 ± 189 |
| Volume (normalized image with hist. normalization) | 451,083* ± 53,326 | 540,940* ± 48,757 | 1,225* ± 199 |
Data layout: mean ± std.
* Statistically significantly the volumes with HN method are identical to the volumes of the reference image (p value <0.05).