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pixelSplat: 3D Gaussian Splats from Image Pairs for Scalable Generalizable 3D Reconstruction
April 3, 2024, 4:43 a.m. | David Charatan, Sizhe Li, Andrea Tagliasacchi, Vincent Sitzmann
cs.LG updates on arXiv.org arxiv.org
Abstract: We introduce pixelSplat, a feed-forward model that learns to reconstruct 3D radiance fields parameterized by 3D Gaussian primitives from pairs of images. Our model features real-time and memory-efficient rendering for scalable training as well as fast 3D reconstruction at inference time. To overcome local minima inherent to sparse and locally supported representations, we predict a dense probability distribution over 3D and sample Gaussian means from that probability distribution. We make this sampling operation differentiable via …
3d reconstruction abstract arxiv cs.cv cs.lg features fields image images inference memory real-time rendering scalable training type
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