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Research map / 3D vision / NeRF and radiance fields

Benchmarking and Analyzing 3D-aware Image Synthesis with a Modularized Codebase

NeurIPS 2023 · 3D vision › NeRF and radiance fields · approach: 3D-aware generative radiance fields · 1 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use different single point embedders (MLP, volume, or tri-plane) (ablation)EG3D · FFHQFID: 5.15; 4.65; 4.72No clear effect
Combine multiple point embedders rather than use a single type (ablation)EG3D · FFHQFID: 4.62No clear effect
Use a bi-plane instead of a tri-plane (ablation)EG3D · FFHQFID: 4.72 -> 4.38Helped
Increase MLP point-feature decoder depth from 4 to 16 (ablation)EG3D with MLP point features · FFHQFID: 17.22 -> 5.15Helped
Increase tri-plane decoder depth from 2 to 8 (ablation)EG3D with tri-plane features · FFHQFID: 4.72 -> 5.58Hurt
Use ReLU instead of SIREN with an upsampler (ablation)EG3D · FFHQ 256×256FID: 11.66 -> 7.39Helped
Use SIREN instead of ReLU without an upsampler (ablation)EG3D · FFHQ 64×64FID: 7.30 -> 6.58Helped
Replace density with SDF (ablation)EG3D with MLP, volume, or tri-plane features · FFHQFID: 5.15 -> 8.87; 4.65 -> 7.27; 4.72 -> 13.31Hurt
Remove the upsampler (ablation)EG3D with tri-plane features · FFHQ 256×256FID: 4.72 -> 6.86Hurt
Remove the upsampler (ablation)EG3D with tri-plane features · FFHQ 256×256RE: 0.111 -> 0.104Helped
Use ground-truth poses instead of random pose distribution (ablation)EG3D with MLP, volume, or tri-plane features · FFHQFID: 14.56 -> 5.15; 10.47 -> 4.65; 15.18 -> 4.72Helped
Replace random poses with accurate pose distribution (ablation)EG3D with MLP, volume, or tri-plane features · FFHQFID: 14.56 -> 9.96; 10.47 -> 7.34; 15.18 -> 5.45Helped

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