AirSplat: Alignment and Rating for Robust Feed-Forward 3D Gaussian Splatting
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Abstract (arXiv)
While 3D Vision Foundation Models (3DVFMs) have demonstrated remarkable zero-shot capabilities in visual geometry estimation, their direct application to generalizable novel view synthesis (NVS) remains challenging. In this paper, we propose AirSplat, a novel training framework that effectively adapts the robust geometric priors of 3DVFMs into high-fidelity, pose-free NVS. Our approach introduces two key technical contributions: (1) Self-Consistent Pose Alignment (SCPA), a training-time feedback loop that ensures pixel-aligned supervision to resolve pose-geometry discrepancy; and (2) Rating-based Opacity Matching (ROM), which leverages the local 3D geometry consistency knowledge from a sparse-view NVS teacher model to filter out degraded primitives. Experimental results on large-scale benchmarks demonstrate that our method significantly outperforms state-of-the-art pose-free NVS approaches in reconstruction quality. Our AirSplat highlights the potential of adapting 3DVFMs to enable simultaneous visual geometry estimation and high-quality view synthesis.
Key facts. No citing papers in the map yet (data through 7 Oct 2026). Builds on 55 of its 69 references that are in the map. First posted on arXiv 26 Mar 2026.
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References · 55
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- 20233D Gaussian Splatting for Real-Time Radiance Field Renderingcited by 6,141
- 2022Instant Neural Graphics Primitives with a Multiresolution Hash Encodingcited by 3,698
- 2021Plenoxels: Radiance Fields without Neural Networkscited by 1,607
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- 2025VGGT: Visual Geometry Grounded Transformercited by 1,475
- 2022TensoRF: Tensorial Radiance Fieldscited by 1,275
- 20234D Gaussian Splatting for Real-Time Dynamic Scene Renderingcited by 1,144
- 20242D Gaussian Splatting for Geometrically Accurate Radiance Fieldscited by 1,061
- 2024Grounding Image Matching in 3D with MASt3Rcited by 960
- 2021PlenOctrees for Real-time Rendering of Neural Radiance Fieldscited by 904
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- 2021MVSNeRF: Fast Generalizable Radiance Field Reconstruction from Multi-View Stereocited by 735
- 2021IBRNet: Learning Multi-View Image-Based Renderingcited by 698
- 2023pixelSplat: 3D Gaussian Splats from Image Pairs for Scalable Generalizable 3D Reconstructioncited by 668
- 2023Mip-Splatting: Alias-free 3D Gaussian Splattingcited by 661
- 2025Depth Anything 3: Recovering the Visual Space from Any Viewscited by 626
- 2024MVSplat: Efficient 3D Gaussian Splatting from Sparse Multi-View Imagescited by 553
- 2023DL3DV-10K: A Large-Scale Scene Dataset for Deep Learning-based 3D Visioncited by 514
- 2023Splatter Image: Ultra-Fast Single-View 3D Reconstructioncited by 359
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- 2024DepthSplat: Connecting Gaussian Splatting and Depthcited by 275
- 2024No Pose, No Problem: Surprisingly Simple 3D Gaussian Splats from Sparse Unposed Imagescited by 241
- 2020Infinite Nature: Perpetual View Generation of Natural Scenes from a Single Imagecited by 239
- 2025AnySplat: Feed-forward 3D Gaussian Splatting from Unconstrained Viewscited by 234
- 2023COLMAP-Free 3D Gaussian Splattingcited by 193
- 2025FLARE: Feed-forward Geometry, Appearance and Camera Estimation from Uncalibrated Sparse Viewscited by 176
- 2024Splatt3R: Zero-shot Gaussian Splatting from Uncalibrated Image Pairscited by 171
- 2017Interactive Learning from Policy-Dependent Human Feedbackcited by 155
- 2022Generalizable Patch-Based Neural Renderingcited by 121
- 2024Long-LRM: Long-sequence Large Reconstruction Model for Wide-coverage Gaussian Splatscited by 111
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- 2024InstantSplat: Sparse-view Gaussian Splatting in Secondscited by 67
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- 2024SplineGS: Robust Motion-Adaptive Spline for Real-Time Dynamic 3D Gaussians from Monocular Videocited by 44
- 2024SelfSplat: Pose-Free and 3D Prior-Free Generalizable 3D Gaussian Splattingcited by 40
- 2026NeoVerse: Enhancing 4D World Model with in-the-wild Monocular Videoscited by 39
- 2025No Pose at All: Self-Supervised Pose-Free 3D Gaussian Splatting from Sparse Viewscited by 38
- 2025YoNoSplat: You Only Need One Model for Feedforward 3D Gaussian Splattingcited by 34
- 2025ZPressor: Bottleneck-Aware Compression for Scalable Feed-Forward 3DGScited by 29
- 2025LongSplat: Robust Unposed 3D Gaussian Splatting for Casual Long Videoscited by 23
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- 2025Enhancing Rating-Based Reinforcement Learning to Effectively Leverage Feedback from Large Vision-Language Modelscited by 15
- 2023Rating-based Reinforcement Learningcited by 14
- 2025MoBGS: Motion Deblurring Dynamic 3D Gaussian Splatting for Blurry Monocular Videocited by 11
- 2025QuickSplat: Fast 3D Surface Reconstruction via Learned Gaussian Initializationcited by 11
- 2025TARO: Timestep-Adaptive Representation Alignment with Onset-Aware Conditioning for Synchronized Video-to-Audio Synthesiscited by 10
- 2024MDSGen: Fast and Efficient Masked Diffusion Temporal-Aware Transformers for Open-Domain Sound Generationcited by 9
- 2025One-Step Flow Q-Learning: Addressing the Diffusion Policy Bottleneck in Offline Reinforcement Learningcited by 9
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