Segmentation of Dynamic Total-Body [¹⁸F]-FDG PET Images Using Unsupervised Clustering

Table 2

values from Wilcoxon’s test for all organs (columns) and method comparisons (rows) rounded to three decimals.

	Heart	Brain	Kidneys
PCA vs. ICA	0.002	≤0.001	≤0.001
PCA vs. GMM	0.038	≤0.001	0.064
ICA vs. GMM	0.339	≤0.001	≤0.001