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The Brain Atlas Concordance Problem: Quantitative Comparison of Anatomical Parcellations

Figure 8

Global concordance between parcellations.

A: Results using Adjusted Rand Index (ARI). B: Results using the S index. In each subfigure the values in the upper diagonal entries are the concordance indices for particular pairs of atlases, with above chance values in green. The lower diagonal entries show the sorted distribution of chance concordance values obtained by comparison of 1000 random size-matched parcellations (curved line) and the actual value obtained for this atlas pair as a horizontal line.

Figure 8