Table 2 Average reconstruction time of MNIST testing set for different M and reconstruction algorithms
From: The optimally designed autoencoder network for compressed sensing
M | 8 | 1 6 | 3 2 | 64 | 128 | 256 | 512 | |
|---|---|---|---|---|---|---|---|---|
Reconstruction time(s) | OMP | -a | - | - | - | - | 0.41 | 0.74 |
BPDN | - | - | - | - | - | 5.54 | 4.89 | |
DBN-OMP-like | - | - | - | - | - | 0.03 | 0.04 | |
RBM-OMP-like | - | - | - | - | - | 0.04 | 0.04 | |
SSDAE_CS | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | |