Research map / 3D vision / NeRF and radiance fields
Neural Fourier Filter Bank
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| remove Fourier encoding from grid features (ablation) | NFFB · Tokyo | PSNR: 30.48 vs 31.57 | Helped |
| replace sine activations with ReLU (ablation) | NFFB · Tokyo | PSNR: 30.39 vs 31.57 | Helped |
| use only grid features, without Fourier encoding and MLP composition (ablation) | NFFB · Tokyo | PSNR | Hurt |
| use only the MLP composition, without grid features (ablation) | NFFB · Tokyo | PSNR | Hurt |
| reduce the Fourier grid feature to a single level (ablation) | NFFB · Tokyo | PSNR | Hurt |
| increase MLP size (ablation) | NFFB · Tokyo | PSNR | Helped |
| increase base grid resolution (ablation) | NFFB · Tokyo | PSNR | Helped |
| increase grid-resolution scaling coefficient (ablation) | NFFB · Tokyo | PSNR | Helped |
| tune Fourier-feature variance to a suitable range (ablation) | NFFB · NeRF synthetic Blender | PSNR | Mixed |
| tune the sine-layer scaling factor (ablation) | NFFB · NeRF synthetic Blender | PSNR | Mixed |
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