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Coefficients and converge times of damping experiments for a 512 × 512 noisy Lena image
| Damping | Below optimal | Optimal | Above optimal | Nesterov | Critical | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| a | Iterations | a | Iterations | a | Iterations | a | Iterations | a | Iterations | |
| λ = 1000, β2 = 1 | 6.36 | 1000 | 63.6 | 100 | 636 | 400 | 3/t | 250 | 1446 | 1000 |
