ReLift v1.0

First public release of ReLift (Dense 3D Tracking as Trajectory Repair): the corrector and its released checkpoint, the five front ends it was evaluated with, the evaluation protocol and scripts, and the training recipe. See the README for setup, the demo, training and evaluation.

Checkpoint. released_checkpoint.pt (attached, 77 MB, md5 644f9f922842adce42c9854d341e3707): the corrector used for every number in the paper (dim 384, depth 8, 6 heads, chunk 4; 19,145,100 parameters; EMA weights). scripts/download_weights.py fetches it from this release and verifies the md5.

Third-party code, pinned as git submodules under third_party/ and used unmodified: Depth Anything 3 4173623 (Apache-2.0), AllTracker c1ed462 (MIT), VGGT-Omega 39a0cb8 (FAIR Noncommercial Research License), 4RC a08ca0a (S-Lab License 1.0, non-commercial), CoWTracker 1454f20 (FAIR Noncommercial Research License). Our code is MIT; anything built on the non-commercial components inherits their terms.

Reproducibility. On one GPU model the pipeline is run-to-run reproducible; on another GPU model the bfloat16 arithmetic of the corrector and of the front ends differs, and the published numbers reproduce to within a few tenths of an APD point, driven by a handful of clips. The published windows and predictions were produced on NVIDIA L40, L40S and RTX PRO 6000 GPUs.