Table 26 Performance analysis of the proposed Battle3 wavelet based sensing matrix
Length of signal (N) | Number of measurements (m) | Compression ratio (CR = m/N) | Sparsity level = (k/N) × 100 (%) | No. of non-zeros (k) | No. of iterations required | Signal reconstruction time (s) | RMSE | Relative error | SNR (db) | Construction time for sensing matrix (s) |
|---|---|---|---|---|---|---|---|---|---|---|
2048 | 205 | 0.1 | 50 | 1024 | 21 | 2.229166 | 0.0776 | 1.2960 | 2.2520 | 4.184386 |
2048 | 410 | 0.2 | 50 | 1024 | 17 | 3.000747 | 0.0619 | 1.0350 | 0.2991 | 4.037021 |
2048 | 512 | 0.25 | 50 | 1024 | 17 | 6.762783 | 0.0619 | 1.0350 | 0.2984 | 4.214151 |
2048 | 614 | 0.3 | 50 | 1024 | 17 | 5.495381 | 0.0576 | 0.9626 | 0.3313 | 3.779477 |
2048 | 849 | 0.4 | 50 | 1024 | 15 | 7.920600 | 0.0538 | 0.8989 | 0.9261 | 3.706719 |
2048 | 1024 | 0.5 | 50 | 1024 | 14 | 11.331212 | 0.0538 | 0.8995 | 0.9199 | 3.945231 |
2048 | 1229 | 0.6 | 50 | 1024 | 13 | 13.909190 | 0.0485 | 0.8106 | 1.8235 | 3.764331 |
2048 | 1434 | 0.7 | 50 | 1024 | 12 | 19.831917 | 0.0468 | 0.7823 | 2.1321 | 3.777555 |
2048 | 1536 | 0.75 | 50 | 1024 | 12 | 34.010388 | 0.0468 | 0.7816 | 2.1404 | 4.464107 |
2048 | 1638 | 0.8 | 50 | 1024 | 12 | 30.235744 | 0.0468 | 0.7816 | 2.1406 | 3.855705 |
2048 | 1843 | 0.9 | 50 | 1024 | 11 | 40.190816 | 0.0468 | 0.7816 | 2.1406 | 4.003610 |
2048 | 2048 | 1.0 | 50 | 1024 | 9 | 45.789195 | 0.0468 | 0.7815 | 2.1409 | 3.726738 |