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Table 2 Selections of the regularization parameters with different sampling rates

From: Low-dose CT reconstruction via L1 dictionary learning regularization using iteratively reweighted least-squares

  Shepp–Logan Head slice
120 veiws 60 views 180 views 90 views
DL methods 3.831 × 103 3.823 × 103 380.7 380.1
GPBB 0.2 0.4 0.2 0.5
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