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LibreSAM3DBodyd3-mesh
A mirror of Meta's facebook/sam-3d-body-dinov3 SAM 3D Body checkpoint, hosted
for use with the LibreYOLO mesh task (human body mesh recovery).
This is a mirror, not a new model
The weights are Meta's, unmodified. Nothing here is retrained, distilled or
fine-tuned. The mirror exists so LibreYOLO's mesh task has a stable,
version-pinned source, and so the gate below travels with the weights.
Upstream revision mirrored: 11aaa346c7204874a1cbafe3d39a979080b2c55a
License: read this before requesting access
These weights are not MIT, and they are not covered by LibreYOLO's own MIT
license. They are redistributed under Meta's SAM License, included here as
LICENSE. The SAM License permits redistribution, including
commercially, on the condition that it is passed through: anyone who
redistributes these weights further must do so under the same terms and include
a copy of the agreement.
Restrictions that survive redistribution, summarized but not replacing the text:
- No military or warfare use, nuclear applications, espionage, or guns and illegal weapons.
- Use must comply with applicable Trade Controls and privacy law.
- No reverse engineering or decompiling of the materials.
- Research publications using these weights must acknowledge them.
- Meta may modify the agreement, with changes effective immediately.
Why this mirror is gated
Meta gates the upstream repository with manual approval and rejects requests from comprehensively sanctioned jurisdictions. Redistributing the weights without a comparable gate would route around that screening and place the export-control exposure on downstream hosts. This mirror therefore carries the same manual approval gate, deliberately.
Contents
model.ckpt- the upstream checkpoint, byte-identical to Meta's.model_config.yaml- the upstream model configuration.LICENSE- the SAM License, as required for redistribution.
The MHR body model is not mirrored here
SAM 3D Body predicts into MHR (Momentum Human Rig). The MHR asset is Apache 2.0 and published ungated by Meta, so LibreYOLO fetches it directly from the upstream release rather than holding a second copy:
https://github.com/facebookresearch/MHR/releases/latest/download/assets.zip
LibreYOLO caches it automatically via
libreyolo.models.sam3dbody.ensure_mhr_model().
Status
The checkpoint here is the raw upstream artifact. The LibreYOLO-schema
converted checkpoint (LibreSAM3DBodyd3-mesh.pt) will be added to this repository once the
model port lands and has been parity-checked against the upstream demo. Until
then this repository is a mirror only.
Citation
Please cite Meta's SAM 3D Body work when using these weights. See the upstream model card at https://huggingface.co/facebook/sam-3d-body-dinov3.