Table 2. SNR in dB from reconstruction results with different scan step sizes when using the two-step method, SPA and SPA with TV regularization.
| Step size | 36 | 38 | 40 | |
|---|---|---|---|---|
| SNR | Two-step | 11.5 | 7.0 | 3.4 |
| SPA | 15.1 | 15.5 | 12.3 | |
| SPA + TV | 16.0 | 16.0 | 13.8 |
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