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Flowchart of FLocK construction and associated feature computation. (a) Green contours indicate the nuclear boundaries (b) FLocK construction based on the nuclear features (used mean intensity of nuclei in this case). Nuclei that belong to the same FLocK have connecting edges with the same color. (c) FLocK feature computation without pre-defined cluster type number. (d) FLocK feature computation with pre-defined cluster type number.
