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Add PhysDreamer reference assets (scenes + models)

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  1. .gitattributes +12 -0
  2. reference/physdreamer/README.md +53 -0
  3. reference/physdreamer/models/alocasia/model/sim_fields.pt +3 -0
  4. reference/physdreamer/models/alocasia/model/velo_fields.pt +3 -0
  5. reference/physdreamer/models/alocasia/model/velo_fields_video2.pt +3 -0
  6. reference/physdreamer/models/alocasia/single_front_view/sim_fields.pt +3 -0
  7. reference/physdreamer/models/alocasia/single_front_view/velo_fields.pt +3 -0
  8. reference/physdreamer/models/alocasia/two_view/sim_fields.pt +3 -0
  9. reference/physdreamer/models/alocasia/two_view/velo_fields.pt +3 -0
  10. reference/physdreamer/models/alocasia/two_view/velo_fields_video2.pt +3 -0
  11. reference/physdreamer/models/carnations/model/sim_fields.pt +3 -0
  12. reference/physdreamer/models/carnations/model/velo_fields.pt +3 -0
  13. reference/physdreamer/models/hat/model/sim_fields.pt +3 -0
  14. reference/physdreamer/models/hat/model/velo_fields.pt +3 -0
  15. reference/physdreamer/models/telephone/1e5_init/sim_fields.pt +3 -0
  16. reference/physdreamer/models/telephone/1e5_init/velo_fields.pt +3 -0
  17. reference/physdreamer/models/telephone/1e6_init/sim_fields.pt +3 -0
  18. reference/physdreamer/models/telephone/1e6_init/velo_fields.pt +3 -0
  19. reference/physdreamer/models/telephone/model/sim_fields.pt +3 -0
  20. reference/physdreamer/models/telephone/model/velo_fields.pt +3 -0
  21. reference/physdreamer/scenes/alocasia/.DS_Store +0 -0
  22. reference/physdreamer/scenes/alocasia/clean_object_points.ply +3 -0
  23. reference/physdreamer/scenes/alocasia/images/frame_00001.png +3 -0
  24. reference/physdreamer/scenes/alocasia/images/frame_00002.png +3 -0
  25. reference/physdreamer/scenes/alocasia/images/frame_00003.png +3 -0
  26. reference/physdreamer/scenes/alocasia/images/frame_00004.png +3 -0
  27. reference/physdreamer/scenes/alocasia/images/frame_00005.png +3 -0
  28. reference/physdreamer/scenes/alocasia/images/frame_00006.png +3 -0
  29. reference/physdreamer/scenes/alocasia/images/frame_00007.png +3 -0
  30. reference/physdreamer/scenes/alocasia/images/frame_00008.png +3 -0
  31. reference/physdreamer/scenes/alocasia/images/frame_00009.png +3 -0
  32. reference/physdreamer/scenes/alocasia/images/frame_00010.png +3 -0
  33. reference/physdreamer/scenes/alocasia/images/frame_00011.png +3 -0
  34. reference/physdreamer/scenes/alocasia/images/frame_00012.png +3 -0
  35. reference/physdreamer/scenes/alocasia/images/frame_00013.png +3 -0
  36. reference/physdreamer/scenes/alocasia/images/frame_00014.png +3 -0
  37. reference/physdreamer/scenes/alocasia/images/frame_00015.png +3 -0
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  39. reference/physdreamer/scenes/alocasia/images/frame_00017.png +3 -0
  40. reference/physdreamer/scenes/alocasia/images/frame_00018.png +3 -0
  41. reference/physdreamer/scenes/alocasia/images/frame_00019.png +3 -0
  42. reference/physdreamer/scenes/alocasia/images/frame_00020.png +3 -0
  43. reference/physdreamer/scenes/alocasia/images/frame_00021.png +3 -0
  44. reference/physdreamer/scenes/alocasia/images/frame_00022.png +3 -0
  45. reference/physdreamer/scenes/alocasia/images/frame_00023.png +3 -0
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  49. reference/physdreamer/scenes/alocasia/images/frame_00027.png +3 -0
  50. reference/physdreamer/scenes/alocasia/images/frame_00028.png +3 -0
.gitattributes CHANGED
@@ -73,3 +73,15 @@ reference/as-diffmpm/assets/particles/playdoh.ply filter=lfs diff=lfs merge=lfs
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  reference/as-diffmpm/assets/particles/toothpaste.ply filter=lfs diff=lfs merge=lfs -text
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  reference/as-diffmpm/assets/particles/torus.ply filter=lfs diff=lfs merge=lfs -text
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  reference/as-diffmpm/assets/particles/trophy.ply filter=lfs diff=lfs merge=lfs -text
 
 
 
 
 
 
 
 
 
 
 
 
 
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  reference/as-diffmpm/assets/particles/toothpaste.ply filter=lfs diff=lfs merge=lfs -text
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  reference/as-diffmpm/assets/particles/torus.ply filter=lfs diff=lfs merge=lfs -text
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  reference/as-diffmpm/assets/particles/trophy.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/alocasia/clean_object_points.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/alocasia/moving_part_points.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/alocasia/point_cloud.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/carnations/clean_object_points.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/carnations/moving_part_points.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/carnations/point_cloud.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/hat/clean_object_points.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/hat/moving_part_points.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/hat/point_cloud.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/telephone/clean_object_points.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/telephone/moving_part_points.ply filter=lfs diff=lfs merge=lfs -text
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+ reference/physdreamer/scenes/telephone/point_cloud.ply filter=lfs diff=lfs merge=lfs -text
reference/physdreamer/README.md ADDED
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+ # PhysDreamer Reference Assets
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+
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+ Source: [YunjinZhang/PhysDreamer](https://huggingface.co/datasets/YunjinZhang/PhysDreamer)
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+ Paper: [PhysDreamer: Physics-Based Interaction with 3D Objects via Video Generation](https://arxiv.org/abs/2406.04338)
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+ Licence: MIT
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+
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+ ## Contents
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+
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+ ### `scenes/`
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+
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+ Four real-world scenes with RGB-D observations and optimized 3D Gaussians:
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+
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+ | Scene | Description |
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+ |---|---|
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+ | `alocasia` | Potted plant (flexible leaves) |
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+ | `carnation` | Carnation flower (bendable stem) |
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+ | `telephone` | Telephone handset (rigid + soft cord) |
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+ | `hat` | Woven hat (flexible brim) |
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+
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+ Each scene directory contains:
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+ - `point_cloud/iteration_*/point_cloud.ply` — 3DGS model (use as `--gaussians` input to `squishy-build`)
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+ - `images/` — training RGB frames
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+ - `cameras.json` — camera extrinsics and intrinsics
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+
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+ ### `models/`
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+
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+ Optimized velocity fields and material fields for each scene:
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+ - `velocity_field.pt` — PhysDreamer learned velocity field (per-particle trajectory prior)
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+ - `material_field.pt` — optimized material parameters {E, nu, rho} per spatial region
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+
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+ ## Usage with squishy
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+
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+ ```python
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+ # Use as gaussians input for squishy-build:
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+ # squishy-build --gaussians reference/physdreamer/scenes/carnation/point_cloud/ \
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+ # --mesh carnation_mesh.obj --name carnation
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+
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+ # Use material field as initial parameter estimate for system ID:
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+ from squishy.train.system_id import run_system_id_physics3d
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+ # load material_field.pt to initialize E_init, nu_init
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+ ```
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+
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+ ## Citation
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+
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+ ```bibtex
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+ @article{zhang2024physdreamer,
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+ title={PhysDreamer: Physics-Based Interaction with 3D Objects via Video Generation},
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+ author={Tianyuan Zhang and Hong-Xing Yu and Rundi Wu and
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+ Brandon Y. Feng and Changxi Zheng and Noah Snavely and Jiajun Wu and William T. Freeman},
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+ journal={arXiv},
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+ year={2024}
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+ }
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+ ```
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reference/physdreamer/scenes/alocasia/images/frame_00027.png ADDED

Git LFS Details

  • SHA256: 5a8006751dbc8780f36606a9a6151d2db24ab6bc25873e38d3527870d6f6d31b
  • Pointer size: 133 Bytes
  • Size of remote file: 10.8 MB
reference/physdreamer/scenes/alocasia/images/frame_00028.png ADDED

Git LFS Details

  • SHA256: 2fdd91b1a70d752d4677d9eba63dfd7b9e3e5cab87ab47b43a1b15fca0665a9f
  • Pointer size: 133 Bytes
  • Size of remote file: 10.7 MB