Table 1: For each data set, regions representing the areas of interest are used to calculate the variance of brightness and the perfusion curve. The improvement of intensity-based registration, label-based registration without MRF-prior and with MRF-prior are shown compared to the unregistered datasets in terms of variation of intensity in b-mode data (VAR) and perfusion curve smoothness (PCS). The PCS is measured by the sum of absolute differences of their perfusion values within specified regions.
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