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Research map / 3D vision / NeRF and radiance fields

NerfDiff: Single-image View Synthesis with NeRF-guided Distillation from 3D-aware Diffusion

ICML 2023 · 3D vision › NeRF and radiance fields · approach: Few-shot neural rendering architectures · 36 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
NeRF-guided distillation (NGD) fine-tuning at test time (ablation)NerfDiff-B · ShapeNet CarsFID: 42.37 -> 18.09Helped
NeRF-guided distillation (NGD) fine-tuning at test time (ablation)NerfDiff-B · ShapeNet CarsLPIPS: 0.093 -> 0.082Helped
NeRF-guided distillation (NGD) fine-tuning at test time (ablation)NerfDiff-B · ShapeNet CarsPSNR: 23.81 -> 23.51Hurt
NeRF-guided distillation (NGD) fine-tuning at test time (ablation)NerfDiff-B · ShapeNet Chairs and ABOFID: 15.72 -> 5.65 (Chairs); 18.01 -> 7.77 (ABO)Helped
Naive direct distillation from CDM virtual views instead of NGD (ablation)NerfDiff fine-tuning · ShapeNet CarsPSNR: 23.51 (NGD) -> 23.46 (direct)Hurt
Score distillation sampling (SDS) used for fine-tuning instead of NGD (ablation)NerfDiff fine-tuning · ShapeNet CarsPSNR: 23.51 -> 20.32Hurt
Number of virtual views reduced to 5 (ablation)NGD fine-tuning · ShapeNet CarsPSNR: 23.51 (50 views) -> 22.86Hurt
3D-aware CDM conditioning (rendered target-view from NeRF) vs concatenating input view (ablation)CDM · ShapeNet CarsPSNR: 20.72 (concat) -> 23.51Helped
Image encoder changed to UNet with camera-aligned triplanes (vs pixelNeRF-style projection)NerfDiff single-image NeRF · ShapeNet CarsPSNR: 23.17 (pixelNeRF) -> 23.81 (w/o NGD)Helped
Scaling NerfDiff from base to largeNerfDiff · ShapeNet CarsFID: 18.09 -> 15.49Helped
Using 3DiM geometry-free model instead of NerfDiff on ShapeNet Carsgeometry-free baseline · ShapeNet CarsFID: 3DiM 8.99 vs NerfDiff-B 18.09Mixed

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