TABLE 1. Average Metrics on Display Captured FlatCam measurements.
FlatNet-sep with transpose initialization (FlatNet-sep-C) gives the best result. Comparable performance of FlatNet-sep-UC indicates that our approach can be used for situations where careful calibration isn’t possible.
| Method | PSNR (in dB) | SSIM | LPIPS | Inference Time (in sec) |
|---|---|---|---|---|
| Tikhonov | 10.95 | 0.33 | 0.795 | 0.03 |
| TVAL3 | 11.81 | 0.36 | 0.752 | 45.28 |
| FlatNet-sep-UC | 19.06 | 0.62 | 0.274 | 0.006 |
| FlatNet-sep-C | 19.62 | 0.64 | 0.256 | 0.006 |