NeRF-SR: High-Quality Neural Radiance Fields using Supersampling
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Abstract (arXiv)
We present NeRF-SR, a solution for high-resolution (HR) novel view synthesis with mostly low-resolution (LR) inputs. Our method is built upon Neural Radiance Fields (NeRF) that predicts per-point density and color with a multi-layer perceptron. While producing images at arbitrary scales, NeRF struggles with resolutions that go beyond observed images. Our key insight is that NeRF benefits from 3D consistency, which means an observed pixel absorbs information from nearby views. We first exploit it by a supersampling strategy that shoots multiple rays at each image pixel, which further enforces multi-view constraint at a sub-pixel level. Then, we show that NeRF-SR can further boost the performance of supersampling by a refinement network that leverages the estimated depth at hand to hallucinate details from related patches on only one HR reference image. Experiment results demonstrate that NeRF-SR generates high-quality results for novel view synthesis at HR on both synthetic and real-world datasets without any external information.
Key facts. Cited by 95 papers in the map (data through 7 Oct 2026). Builds on 61 of its 81 references that are in the map. First posted on arXiv 3 Dec 2021.
Builds on
61 of 81 references.
References · 61
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- 2018Learning Implicit Fields for Generative Shape Modelingcited by 1,060
- 2020Neural Sparse Voxel Fieldscited by 959
- 2019Scene Representation Networks: Continuous 3D-Structure-Aware Neural Scene Representationscited by 864
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- 2020Convolutional Occupancy Networkscited by 760
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- 2019Differentiable Volumetric Rendering: Learning Implicit 3D Representations without 3D Supervisioncited by 699
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- 2019Local Light Field Fusion: Practical View Synthesis with Prescriptive Sampling Guidelinescited by 672
- 2021BARF: Bundle-Adjusting Neural Radiance Fieldscited by 641
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- 2020Learning Texture Transformer Network for Image Super-Resolutioncited by 346
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- 2020Single-View View Synthesis with Multiplane Imagescited by 263
- 2019Deferred Neural Rendering: Image Synthesis using Neural Texturescited by 253
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50 most cited of 61 All 61 (JSON)
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Citing papers per year: 2022: 6; 2023: 27; 2024: 29; 2025: 22; 2026: 11.
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50 most cited of 95 All 95 (JSON)
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50 newest of 95 All 95 (JSON)
- 20243DGS-Enhancer: Enhancing Unbounded 3D Gaussian Splatting with View-consistent 2D Diffusion Priorscited by 106
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- 2024GaussianSR: 3D Gaussian Super-Resolution with 2D Diffusion Priorscited by 20
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- 20243DGS-Enhancer: Enhancing Unbounded 3D Gaussian Splatting with View-consistent 2D Diffusion Priors21 Oct 2024
- 2024LM-Gaussian: Boost Sparse-view 3D Gaussian Splatting with Large Model Priors5 Sep 2024
- 2024GaussianSR: 3D Gaussian Super-Resolution with 2D Diffusion Priors14 Jun 2024
- 2023Free-Editor: Zero-shot Text-driven 3D Scene Editing21 Dec 2023
- 2023Deceptive-NeRF/3DGS: Diffusion-Generated Pseudo-Observations for High-Quality Sparse-View Reconstruction24 May 2023
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- 2024Mitigating Motion Blur in Neural Radiance Fields with Events and Framescited by 31
- 2023NeRFLiX: High-Quality Neural View Synthesis by Learning a Degradation-Driven Inter-viewpoint MiXercited by 29
- 2022StructNeRF: Neural Radiance Fields for Indoor Scenes with Structural Hintscited by 28
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- 2026MedGSSR: Generalizable Medical Image Super-Resolution 3D Reconstruction via Hierarchical Feed-forward Gaussian Splatting6 Sep 2026
- 2026CLEAR: Conflict-aware Learning via Evidence-guided Adaptive Routing for Unified Sparse-View 3D Gaussian Super-Resolution3 Aug 2026
- 2026SubSplat: High-Resolution Pixel-aligned 3DGS via Sub-pixel Gaussian Reparameterization23 Jul 2026
- 2026AnchorSplat: Fast and Structure Consistent Detail Synthesis for Gaussian Splatting1 Jul 2026
- 2026HiReFF: High-Resolution Feedforward Human Reconstruction from Uncalibrated Sparse-View Video28 Jun 2026
- 2026CAGS: Color-Adaptive Volumetric Video Streaming with Dynamic 3D Gaussian Splatting10 May 2026
- 2026AsyncEvGS: Asynchronous Event-Assisted Gaussian Splatting for Handheld Motion-Blurred Scenes8 May 2026
- 2026Generalizable NGP-SR: Generalizable Neural Radiance Fields Super-Resolution via Neural Graph Primitives20 Mar 2026
- 2026Unifying Color and Lightness Correction with View-Adaptive Curve Adjustment for Robust 3D Novel View Synthesis20 Feb 2026
- 2026CompSplat: Compression-aware 3D Gaussian Splatting for Real-world Video10 Feb 2026
- 2026From Blurry to Believable: Enhancing Low-quality Talking Heads with 3D Generative Priors5 Feb 2026
- 2025MVGSR: Multi-View Consistent 3D Gaussian Super-Resolution via Epipolar Guidance17 Dec 2025
12 newest of 88 All 88 (JSON)