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4cc67b90fa
mocapgod/docs/LICENSES.md
type-two 4cc67b90fa Lane B: resolve decision gate -> Path B (local HSMR/SKEL, accept NC risk) 
B1's MoCapAnything pick reversed (animal model, wrong for human capture);
license analysis recorded in LICENSES.md. John chose Path B: run HSMR->SKEL
locally on ultra (MPS), ship rig-motion only, accept the non-commercial
licence risk as interim until a commercial SKEL licence request goes out
(Path A, the clean upgrade).

Engine installed under .engine/ (gitignored): uv venv py3.10, torch 2.13
MPS-green, ungated weights, smoke_test.py with Apple-Silicon bypasses
(detectron2 stubbed with full-frame bbox, headless pyrender stubbed -> QC in
Blender) -- see docs/B_ENGINE_SETUP.md.

Remaining before B ships: John's gated SKEL v1.1.1 download, then the
forward-pass smoke test (MPS end-to-end, timing, pose sanity). Known caveat:
HSMR is per-frame so root is camera-space cam_t, NOT world-grounded -> Lane C
derives root from foot-contact.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-17 02:25:55 +10:00

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Licenses & legal findings

Every third-party model/dataset/tool that touches the pipeline gets a row here with its license, commercial status, link, and the date checked. See PLAN.md §Ground rules.

2026-07-17 correction (session 2): B1's original row billed MoCapAnything as the human engine — it is an animal model (see DECISIONS.md). The SMPL/SKEL gate is LIVE, not avoided. Rows below corrected and license-verified.

Components

Component License (code / body model) Commercial OK? Notes Checked
HSMR (human — candidate engine) code MIT / body SKEL code yes / model NO IsshikiHugh/HSMR, CVPR25 oral. Predicts SKEL params (biomechanical skeleton, great for retarget). Needs SKEL files (NC) at inference. MPS-runnability unverified. 2026-07-17
SKEL-CF (human — candidate) code (verify) / body SKEL model NO Coarse-to-fine skeleton+mesh, Nov 2025. Same SKEL gate. 2026-07-17
SKEL body model MPG research NO (default) "any use for commercial… purposes is prohibited"; commercial via ps-license@tue.mpg.de. Same family as SMPL. 2026-07-17
SMPL / SMPL-X body model MPG research (Meshcapade sublicenses) NO (default) Commercial via sales@meshcapade.com (quote-based; incl. SMPL+H/-X/STAR). Gate for all SMPL-based human models. 2026-07-17
GVHMR / WHAM / TRAM / OnlineHMR (human, SMPL) research/NC (GVHMR NC confirmed) / SMPL NO Accuracy leaders but double gate: NC code AND SMPL. GVHMR commercial via xwzhou@zju.edu.cn. Reference/yardstick unless licensed. 2026-07-17
GEM-X (human, shelved) Apache / SOMA (not SMPL) yes, but off-fleet NVIDIA commercial-ready; CUDA-only → won't run on Apple Silicon. Revisit only if the fleet gains NVIDIA. 2026-07-17
MoCapAnything V2 (animal — creature NPCs only) MIT / none YES (creatures) kehong/MoCapAnythingV2-weights MIT, no SMPL. 71 animal targets, no human/biped/fingers → NOT the human engine. Keep for creature/centaur (Lane E4) work. 2026-07-17
AMASS dataset academic verify before shipped training Lane E only —
Mixamo clips Adobe ToS ship-in-game OK; not ML training data — —

The SMPL/SKEL gate (hard stop — LIVE, John decision)

Every accurate world-grounded human model depends on a Max-Planck body model — SMPL (GVHMR/WHAM/TRAM/OnlineHMR) or SKEL (HSMR/SKEL-CF) — both research-licensed. Two paths:

  • Path A — license it. Email MPI (SKEL, ps-license@tue.mpg.de) or Meshcapade (SMPL, sales@meshcapade.com) for an indie commercial license. Clean; quote-based.
  • Path B — SMPL-free outputs. Run an MIT-code model (HSMR) locally, keep only joint rotations, retarget onto our own mixamorig, distribute no Max-Planck file. Grey area: the NC license bars "production of artefacts for commercial purposes." John-accepts-risk.

Decision lives in docs/DECISIONS.md. The human path does not proceed until John picks.

Sources (session 2, 2026-07-17)