Table 1.
Parameters and Stripe Artifact Correction Results of a Simulated IMS
| Wavelength | 532 nm |
| Number of microlenses | 40 |
| Image slice per microlens | 12 |
| NA of microlens | 0.125 |
| Pixel pitch of the camera | 7.4 μm |
| Reflectivity of mirror facets | Uniform distribution from 95% to 100% |
| Defocus ofmicrolenses | Gaussian distribution, mean = 0, standard deviation = σ |
| Method Name | Gaussian Noise Standard Deviation | Defocus σ (in mm) | Striping Factor c (before) | Striping Factor c (after) | Striping Factor Change (in Percent) |
|---|---|---|---|---|---|
| Fourier domain filtering | 0 | 0.05 | 0.0158 | 0.0148 | −6.33% |
| 0 | 0.1 | 0.022 | 0.0188 | −14.55% | |
| 0 | 0.2 | 0.0615 | 0.0433 | −29.59% | |
| 0.01 | 0.1 | 0.0244 | 0.0215 | −11.89% | |
| 0.1 | 0.1 | 0.1062 | 0.1056 | −0.57% | |
| Deconvolution | 0 | 0.05 | 0.0158 | 0 | −100% |
| 0 | 0.1 | 0.0221 | 0 | −100% | |
| 0 | 0.2 | 0.0615 | 0.0012 | −98.05% | |
| 0.01 | 0.1 | 0.0244 | 0.0105 | −56.97% | |
| 0.1 | 0.1 | 0.1062 | 0.1081 | +1.79% | |
| Datacube normalization | 0 | 0.05 | 0.0158 | 0.004 | −74.68% |
| 0 | 0.1 | 0.0221 | 0.0155 | −29.86% | |
| 0 | 0.2 | 0.0615 | 0.0562 | −8.62% | |
| 0.01 | 0.1 | 0.0244 | 0.0213 | −12.7% | |
| 0.1 | 0.1 | 0.1062 | 0.1503 | +41.53% |