Research Article
A Sparsity Preestimated Adaptive Matching Pursuit Algorithm
Table 1
PSNR and runtime comparison of different algorithms.
| Algorithm | M/N = 0.5 | M/N = 0.6 | PSNR (dB) | Time (s) | PSNR (dB) | Time (s) |
| OMP | 26.33 | 0.57 | 27.85 | 0.62 | SP | 27.18 | 2.65 | 28.77 | 2.78 | CoSaMP | 26.65 | 3.73 | 28.80 | 3.94 | ROMP | 26.38 | 0.23 | 28.35 | 0.25 | gOMP | 26.70 | 2.59 | 29.26 | 3.86 | StOMP | 26.90 | 0.38 | 29.04 | 0.46 | SAMP (S = 1) | 27.00 | 8.77 | 28.66 | 10.61 | SPAMP (S = 1) | 27.14 | 4.76 | 28.93 | 4.77 | SAMP (S = 3) | 27.04 | 3.24 | 28.73 | 3.88 | SPAMP (S = 3) | 27.22 | 2.26 | 28.92 | 2.34 | SAMP (S = 5) | 27.09 | 2.14 | 28.78 | 2.51 | SPAMP (S = 5) | 27.25 | 1.69 | 28.94 | 1.85 |
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