EURASIP Journal on Advances in Signal Processing

Table 8 FOCUSS (Basic)

From: A unified approach to sparse signal processing

● Step 1: $W_{p_{i}} = diag (s_{i - 1})$
● Step 2: $q_{i} = {(A W_{p_{i}})}^{+} x$
● Step 3: $s_{i} = W_{p_{i}} \cdot q_{i}$

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