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Small-sample brain mapping: sparse recovery on spatially correlated designs with randomization and clustering

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Academic year: 2021

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Figure 1. Recovery power on simulated data for p = 2048, n = 128 (left) or n = 256 (right) as a function of the cluster size and the smoothing
Figure 3. Score maps (unthresholded) as estimated by different methods on fMRI datasets
Figure 4. Average classification scores obtained using full brain linear SVM, ℓ 1 and ℓ 2 -logistic regressions and ℓ 2  -logistic regression defined over the most significant  vox-els given by F-test (F & L2-Logistic) or randomized ward logistic

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