notesum.ai
Published at October 30Fourier Amplitude and Correlation Loss: Beyond Using L2 Loss for Skillful Precipitation Nowcasting
cs.CV
cs.AI
cs.LG
Released Date: October 30, 2024
Authors: Chiu-Wai Yan1, Shi Quan Foo1, Van Hoan Trinh1, Dit-Yan Yeung1, Ka-Hing Wong2, Wai-Kin Wong2
Aff.: 1The Hong Kong University of Science and Technology; 2Hong Kong Observatory

| Type | Model | Loss | Pixel-wise/Structural | Perceptual | Skill | Proposed | ||
| MAE | SSIM | LPIPS | FVD | FSS | RHD | |||
| Pred. | ConvLSTM | MSE | 196.4 | 0.6975 | 0.2538 | 451.5 | 0.6148 | 1.1504 |
| FACL | 180.1 | 0.7463 | 0.1092 | 82.3 | 0.8172 | 0.3391 | ||
| PredRNN | MSE | 173.8 | 0.7566 | 0.1875 | 337.8 | 0.7443 | 0.9559 | |
| FACL | 162.1 | 0.7812 | 0.0869 | 63.3 | 0.8549 | 0.3000 | ||
| SimVP | MSE | 175.5 | 0.7547 | 0.1943 | 350.6 | 0.7275 | 0.9819 | |
| FACL | 180.2 | 0.7394 | 0.1335 | 211.9 | 0.8168 | 0.3579 | ||
| Earthformer | MSE | 171.5 | 0.7641 | 0.1828 | 320.3 | 0.7532 | 0.9407 | |
| FACL | 167.6 | 0.7768 | 0.0890 | 64.6 | 0.8463 | 0.3230 | ||
| Gen. | LDCast∗ | - | 234.0 | 0.7053 | 0.1541 | 110.7 | 0.6645 | 0.4343 |
| MCVD | - | 219.8 | 0.7125 | 0.1033 | 44.7 | 0.7184 | 0.3941 | |
| STRPM | - | 154.0 | 0.7912 | 0.1017 | 117.4 | 0.8337 | 0.3216 | |
| PreDiff | - | 190.2 | 0.7570 | 0.0709 | 30.8 | 0.7975 | 0.3052 | |
| * The experiment setting for LDCast is changed to 8-in-8-out due to model constraints. | ||||||||