Table 3 The average number of iterations of all test images under different compression ratios using Gaussian random measurement matrix
From: Fast sparsity adaptive matching pursuit algorithm for large-scale image reconstruction
PSNR | Compression ratio | |||
|---|---|---|---|---|
0.2 | 0.4 | 0.6 | 0.8 | |
OMP | 51 | 102 | 154 | 205 |
StOMP | 1 | 1 | 1 | 1 |
SWOMP | 3.5 | 6.7 | 9.6 | 10.1 |
SAMP | 205.0 | 410.0 | 613.9 | 818.5 |
FSAMP | 39.4 | 29.0 | 25.6 | 24.1 |