Table 1.
Comparison of compressed sensing (CS) methods for neural signals.
| References | CS encoder | CS decoder | Dataset | SNDR/CR |
|---|---|---|---|---|
| Gangopadhyay et al. (2011) | Analog | Wavelet | Physiobank | NA |
| Bernoulli | ℓ1-min | ECoG, EEG | 16x | |
| Charbiwala et al. (2011) | NA | Learned supports | Private | ≈20 dB |
| BPDN | EEG | 2x | ||
| Chen et al. (2012) | Digital | NA | Private | ≈10 dB |
| Bernoulli/Binary | ℓ1-min | EEG | 10x | |
| Schmale et al. (2013) | NA | DWT/DCT/DFT/WHT | MT dataset | ≈20 dB |
| NA | Spikes, LFPs | 2x | ||
| Zhou et al. (2013) | NA | K-SVD | Hippocampus | ≈13.7 dB |
| Circulant and Toepliz | IST | Spikes | 60x | |
| Suo et al. (2014) | Digital | Spike data | Leicester | ≈20 dB |
| Bernoulli | IST | Spikes | 3x | |
| Shoaran et al. (2014) | Analog | Gabor | Private | ≈14 dB |
| Bernoulli | ℓ1, 2-min | ECoG | 16x | |
| Zhang et al. (2014) | Digital | K-SVD | Leicester | ≈13 dB |
| Bernoulli | OMP | Spikes | ≈5x | |
| Zhang et al. (2015) | Digital | K-SVD | Private | ≈13 dB |
| Bernoulli | OMP | Spikes | 16x | |
| Zamani et al. (2016) | Digital | BK-SVD | Leicester | ≈18 dB |
| Bernoulli | BSBL | Spikes | 9.8x | |
| Sun et al. (2017) | Digital | Analysis prior | Leicester | ≈12 dB |
| Bernoulli | ℓ1-min | Spikes | 8x | |
| Zhao et al. (2018) | Digital | K-SVD | HC-1, CHB-MIT | ≈12 dB |
| Sparse Binary | ℓ1-min | Spikes, EEG | 4x | |
| Zhao et al. (2019) | Digital | DCT | HC-1 | ≈28/25 dB |
| Binary | Binary weighted ℓ1-min | Spikes, LFPs | 2x | |
| Sun et al. (2021a) | Digital | Untrained DNN | Leicester, Neuropixels | ≈16 dB |
| Gaussian | Spikes | 5x | ||
| Sun et al. (2021b) | Digital | ADMM | PFC-2, Neuropixels | ≈18 dB |
| Sparse Binary | LFPs | 32x |