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Comparison of the spectral reconstruction errors of different methods under the illumination of non-uniformity point light source.
| Galliani | YAN | HSCNN+ | Zhang | Ours | |
| RMSE | 0.85 | 0.76 | 0.73 | 0.72 | 0.36 |
| MRAE | 6.21 | 5.63 | 5.41 | 5.42 | 2.34 |
| SAM | 4.21 | 3.89 | 3.90 | 3.86 | 1.59 |
The bold values indicate the best results with the smallest spectral reconstruction errors.
