From: Computable performance guarantees for compressed sensing matrices
Algo. | α 1 | α 2 | α 3 | α 4 | α 5 | α 6 |
---|---|---|---|---|---|---|
(a) α k values | ||||||
1-Step TSA | 0.07 | 0.13 | 0.15 | 0.18 | 0.20 | 0.22-0.26a |
2-Step TSA | 0.07 | 0.13 | 0.15 | 0.18 | 0.20-0.23a | 0.22-0.28a |
(b) Execution time (Unit: second) | ||||||
1-Step TSA | 63.37 | 65.70 | 599.96 | 5.49e3 | 8.60e4 | 1 day |
2-Step TSA | 63.37 | 3.46e4 | 3.54e4 | 4.03e4 | 1 day | 1 day |
ESM | 73.22 | 3.20e4 | 1.59e6b | 1.58e8b | 1.25e10b | 8.22e11b |