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Composable differentiable Gaussian splatting API over fvdb.functional - #338

Merged

swahtz merged 33 commits into

openvdb:mainfrom

swahtz:feature/functional-gaussian-splatting

Oct 8, 2026

Commits on Sep 22, 2026
- feat: add fvdb_reality_capture.functional and take the camera enums from fvdb
  
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- refactor: compose GaussianSplat3d from fvdb_reality_capture.functional
  
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- test,docs: cover the functional Gaussian splatting pipeline
  
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- fix: address review findings on the functional Gaussian splatting pipeline
  
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- fix: second review round on the functional Gaussian splatting pipeline
  
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- fix: project once per training view and harden the functional pipeline's edges
  
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Commits on Sep 23, 2026
- refactor: stage functions take per-camera opacities instead of logits
  
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- fix: fall back to world-space training for unscented cameras, snapshot opacities at projection
  
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- refactor: take as_pixel_jagged from fvdb.functional instead of copying it
  
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- fix: make the world-space training path whole, and crop-aware sparse depth
  
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- fix: crops share one backward, forward-only cameras route per batch, views die per step
  
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- fix: release the rendered crop with its view, settle the edge-crop contract, drop the tile cache
  
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- fix: weight crop losses by pixel share, route eval like training, keep radius-based splitting
  
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- fix: keep a trailing camera with no requested pixels in sparse contributor expansion
  
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Commits on Sep 24, 2026
Commits on Oct 6, 2026
- fix: pass the exact image size to the sparse tile layout
  
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- refactor: own ProjectionMethod here instead of re-exporting it from fvdb
  
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Commits on Oct 8, 2026
- docs: put the crop docs on the methods that take them, state the accumulator wiring as it is
  
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- Merge upstream main into feature/functional-gaussian-splatting
  
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- docs: correct docstrings that disagreed with the code they describe
  
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- docs: fix an over-indented line in the evaluate_gaussian_sh docstring that broke the Sphinx build
  
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- docs: second pass over docstrings and comments for accuracy and present tense
  
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  e5128fb

Commits

Commits on Sep 22, 2026

Commits on Sep 23, 2026

Commits on Sep 24, 2026

Commits on Oct 6, 2026

Commits on Oct 8, 2026