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Finding underlying relationships among multiple imaging modalities in a coherent fashion is one of the challenging problems in multimodal analysis. In this study, we propose a novel approach based on multidimensional persistence. In the extension of the previous threshold‐free method of persistent homology, we visualize and discriminate the topological change of integrated brain networks by varying...
It is known that the brain network has small-world and scale-free topology, but the network structures drastically change depending on how to threshold a connectivity matrix. The exact threshold criterion is difficult to determine. In this paper, instead of trying to determine one fixed optimal threshold, we propose to look at the topological changes of brain network while increasing the threshold...
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