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Fig 3. LOOCV accuracy when selecting different repeatability of features to construct the classifier. The horizontal axis represents different repeatability of features, and the vertical axis represents the corresponding LOOCV accuracy. The different colors, respectively, represent the left and right hippocampi and different patch sizes. L represents the left hemisphere, and R represents the right hemisphere. The numbers behind L or R represent the patch sizes: 800 represents 20 x 40; 1250 represents 25 x 50; and 5000 represents 50 x 100.