ATGS: Anchored Temporal Gaussian Splatting for Long Volumetric Video
janusch_patas · x · 2026-09-01
Presents ATGS, a Gaussian Splatting based framework for volumetric video reconstruction.
- Core Innovation: Instead of tracking individual Gaussian primitives for long-term complex motion, ATGS organizes Gaussians around time-conditioned anchors. This localizes their spatial and temporal support via anchors and a temporal windowing strategy, reducing motion complexity.
- Stability: Introduces a compact set of multi-level anchor features encoding global, local spatial, and local temporal features to jointly constrain Gaussian generation, ensuring spatial and temporal stability.
- Performance: Extensive experiments show ATGS consistently outperforms prior methods on long sequences with complex motions in terms of visual quality and temporal coherence.
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