Plenoptic Condensation: A Novel Approach to Generalized Scene Reconstruction
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Abstract (arXiv)
We present a novel Generalized Scene Reconstruction (GSR) approach called Plenoptic Condensation (PCon). PCon uses a multi-stage reconstruction pipeline, initially converting images into "soupy" scene elements with low (representational) power, then adaptively condensing the "soup" into "structured" elements of higher power capable of efficiently representing, for example, sharp edges and smooth reflective surfaces. PCon scene models called Reality Models (Relms) enable spatially varying representational power, which is essential for high-fidelity rendering, measurement, and scene understanding. We showcase several in-the-wild PCon reconstructions captured with consumer phone cameras and drones. In one case called "Damaged Fiat", PCon is benchmarked against two state-of-the-art (SOTA) GSR methods: NeRO and RT-Splatting. Referring to Figure 1 below, PCon reconstructs the car hood more than twice as accurately as the SOTA methods. But more importantly, the local damage profile error for PCon is 35 um (0.035 mm), whereas the two other SOTA methods are essentially unable to measure the damage at all. Our project website is available at https://quidient.github.io/pcon-2026.html.
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References · 18
- 20233D Gaussian Splatting for Real-Time Radiance Field Renderingcited by 6,141
- 2021NeuS: Learning Neural Implicit Surfaces by Volume Rendering for Multi-view Reconstructioncited by 1,701
- 20242D Gaussian Splatting for Geometrically Accurate Radiance Fieldscited by 1,061
- 2023SuGaR: Surface-Aligned Gaussian Splatting for Efficient 3D Mesh Reconstruction and High-Quality Mesh Renderingcited by 611
- 2023Neuralangelo: High-Fidelity Neural Surface Reconstructioncited by 464
- 2024Gaussian Opacity Fields: Efficient Adaptive Surface Reconstruction in Unbounded Scenescited by 226
- 2023GS-IR: 3D Gaussian Splatting for Inverse Renderingcited by 220
- 2023TensoIR: Tensorial Inverse Renderingcited by 166
- 2023NeRO: Neural Geometry and BRDF Reconstruction of Reflective Objects from Multiview Imagescited by 163
- 2023Relightable 3D Gaussians: Realistic Point Cloud Relighting with BRDF Decomposition and Ray Tracingcited by 138
- 20243D Gaussian Ray Tracing: Fast Tracing of Particle Scenescited by 138
- 2024IRGS: Inter-Reflective Gaussian Splatting with 2D Gaussian Ray Tracingcited by 53
6 more
- 2024EnvGS: Modeling View-Dependent Appearance with Environment Gaussiancited by 34
- 2024TensoSDF: Roughness-aware Tensorial Representation for Robust Geometry and Material Reconstructioncited by 26
- 2024Flash Cache: Reducing Bias in Radiance Cache Based Inverse Renderingcited by 12
- 2026RT-Splatting: Joint Reflection-Transmission Modeling with Gaussian Splattingcited by 2
- 2026GRay: Ray Tracing 3D Gaussians Near the Speed of Splatscited by 2
- 2018Generalized Scene Reconstructioncited by 1
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