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. 2003 Feb 24;18(4):284–295. doi: 10.1002/hbm.10085

Figure 2.

Figure 2

ICA concept in PET decompositions. The basic assumption of ICM is a linear mixture of spatially independent functional components and ICA is an effective tool for unmixing these components. The assumption that all subjects share basic common functional components with subtle variation enables the usage of ICA for finding basic functional components.