Table 2.
Parameters for the SCOT simulation
| Parameter | Values | ||
|---|---|---|---|
| Noise model parameters | Illumination (photons/s) | ~30 to 330,000 | |
| Exposure time, T | 10−5s to 10−2s | ||
| Speckle diameter | 3 pixels/speckle | ||
| Window size | 100 × 100 (pixels) | ||
| Wavelength (μm) | 0.785 | ||
| Number of simulation trials | 100 | ||
|
SCOT System
Example design parameters |
Optode spacing (mm) | 13 | |
| Number of sources | 24 | ||
| Number of detectors | 28 | ||
| Temporal encoding (time per source) | ≥ T | ||
| Frame rate (Hz) (24 sources * T)−1 | 4 Hz (T = 10−2s) to 4 kHz (10−5s) | ||
| Detection fiber - core diameter | 200 μm | ||
| Equivalent fiber area | 737 × 737 (pixels) | ||
| Speckle size (μm) | 19.5 | ||
| Illumination light levels (mW) per source | 50 mW | ||
| Imaging SNR (NN2 at T = 5 ms) at modeled noise levels | 0.75 | ||
| Target Imaging SNR, NN2 | 3 | ||
| Increase area/window size | 4x | ||
| Downsampling | 10 Hz to 1 Hz | ||
| Imaging SNR - effective |