This section presents results for the segmentation of 3D MRI data sets of the human brain described in Section 5 by the methods explained earlier [25]. Multispectral MRI data were acquired in four healthy male volunteers. In the following, "data set q" refers to the multispectral data of volunteer q, q e {1,..., 4}.

Initially, the four data sets were preprocessed according to the procedures explained in Section 6. Interactive, anatomically correct manual alignment of the single MRI sequence data according to Section 6.1 was only necessary for one of the four data sets (data set 4); all the other data sets were already aligned correctly because of corresponding MRI acquisition parameters.

TABLE 9 Contingency table for data set 2; class labels corresponded in 623,303 of 674,035 voxels (92.5%)
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