Digital Signal Processing Reference
In-Depth Information
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Figure 11.8
Cluster assignment maps for the “neural gas” network of a dynamic perfusion MRI
study in a control subject without evidence of cerebrovascular disease. For a better
orientation, an anatomic EPI scan of the analyzed slice is underlaid.
Table 11.2
Optimal cluster number
K
∗
for the data sets #1 to #4, based on different cluster
validity indices. The detailed curve for the cluster validity indices for data set #1 is
shown in figures 11.11 and 11.12.
Index
#1
#2
#3
#4
K
∗
Kim
18
6
10
12
K
CH
24
4
19
21
K
intraclass
3
3
3
3
Search WWH ::
Custom Search