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Table 1 Summary of the parameter selections

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

No. Variable Meaning Value
1 N 0 Scale of the patch 8
2 K Number of atoms in the dictionary 256
3 L D0 Sparsity level for dictionary learning 5
4 L S0 Sparsity level for sparse representation 5
5 ɛ 1 Stopping criterion about the projection 0.001
6 ɛ 2 Stopping criterion about the sparse representation 0.001
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