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a/Illustration.png b/Illustration.png new file mode 100644 index 0000000000000000000000000000000000000000..04e02816be3674de43fa768cfe8316eb4ac45e19 --- /dev/null +++ b/Illustration.png @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:634ff265afbb87cb41bce628e04ad922691d2f1ab2b68dd2088d8f067a969250 +size 839254 diff --git a/README.md b/README.md index 7da79263d0e701a53a0d662d245c4fc3db39b287..03adb2cb2495f5d5b9dfda835b89e1a89e784f33 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,146 @@ ---- -license: cc-by-4.0 ---- +--- +license: cc-by-sa-4.0 +task_categories: + - token-classification +tags: + - point-cloud + - lidar + - 3d + - semantic-segmentation + - indoor + - terrestrial-laser-scanning + - BIM +pretty_name: "3DSES: Indoor TLS Point Cloud Segmentation" +size_categories: + - 100M **Disclaimer** +> This dataset is **not owned nor created by the maintainer of this Hugging Face repository**. +> The **official and authoritative source** is the original Zenodo record: +> https://zenodo.org/records/13323342 + +**3DSES** (3D Segmentation of ESGT point clouds) is a dataset of dense indoor +Terrestrial Laser Scanning (TLS) colorized point clouds covering **427 m²** of an +engineering school (ESGT, Le Mans, France). It features dual annotation: semantic +labels at the point level alongside a complete 3D CAD building model. + +## Dataset Summary + +| | Stations | Points | Intensity | Manual labels | Pseudo-labels | Columns | Size | +|---|---|---|---|---|---|---|---| +| **Gold** | 7 | 44.5M | Yes | Yes | Yes | 9 | 3.0 GB | +| **Silver** | 27 | 195.5M | Yes | Yes | Yes | 9 | 14 GB | +| **Bronze** | 39 | 384.9M | Yes | No | Yes | 8 | 23 GB | +| **test_area** | 3 | 20.7M | No | No | Yes | 7 | 1.1 GB | + +**Total: ~645M points across 39 unique scan stations.** + +## File Format + +Each `.npy` file contains one scan station as a NumPy array (`float64`). + +**Gold / Silver (9 columns):** + +| Column | Content | +|--------|---------| +| 0-2 | X, Y, Z (local survey coordinates) | +| 3-5 | R, G, B (0-255) | +| 6 | Intensity (normalized 0-1) | +| 7 | Manual semantic label | +| 8 | Pseudo-label (from CAD model alignment) | + +**Bronze (8 columns):** same as above without column 7 (no manual labels). + +**test_area (7 columns):** X, Y, Z, R, G, B, pseudo-label only. + +## Directory Structure + +``` +Gold/ # 7 stations with full annotations + S163.npy ... S179.npy +Silver/ # 27 stations with full annotations + S150.npy ... S179.npy, S295.npy, S296.npy +Bronze/ # 39 stations with pseudo-labels only + S140.npy ... S179.npy, S295.npy, S296.npy +test_area/ # 3 held-out stations for evaluation + S170.npy, S171.npy, S180.npy +3DSES_cad_model.obj # 3D CAD building model (320 MB) +Illustration.png # Dataset illustration +``` + +## Usage + +```python +import numpy as np +from pathlib import Path + +# Load a single station +data = np.load("Gold/S163.npy") +xyz = data[:, :3] # coordinates +rgb = data[:, 3:6] # color (0-255) +intensity = data[:, 6] # normalized intensity +labels = data[:, 7] # manual semantic labels +pseudo = data[:, 8] # pseudo-labels from CAD + +# Load with projax3d +from projax3d.opendata import get_provider +provider = get_provider("3dses") +scene = provider.load_scene("gold", output_dir="./data/3dses") +``` + +## Tiers + +- **Gold**: Stations with the highest annotation quality (manually verified labels + + pseudo-labels + intensity). Best for training and evaluation. +- **Silver**: Larger set with manual labels. Superset of Gold stations. +- **Bronze**: All stations with pseudo-labels only (automatically generated from + CAD model alignment, >95% accuracy). Largest coverage. +- **test_area**: Held-out stations for benchmarking (pseudo-labels only). + +## Citation + +```bibtex +@inproceedings{merizette2025_3dses, + title = {{3DSES}: an indoor Lidar point cloud segmentation dataset + with real and pseudo-labels from a {3D} model}, + author = {M{\'e}rizette, Maxime and Audebert, Nicolas and + Kervella, Pierre and Verdun, J{\'e}r{\^o}me}, + booktitle = {Proceedings of the 20th International Joint Conference on + Computer Vision, Imaging and Computer Graphics Theory and + Applications (VISAPP)}, + year = {2025}, + address = {Porto, Portugal}, + note = {arXiv:2501.17534} +} +``` + +## License + +This dataset is distributed under the +[Creative Commons Attribution Share Alike 4.0 International (CC-BY-SA 4.0)](https://creativecommons.org/licenses/by-sa/4.0/legalcode) +license. + +## Links + +- **Paper**: [arXiv:2501.17534](https://arxiv.org/abs/2501.17534) +- **Original dataset**: [Zenodo (DOI: 10.5281/zenodo.13323342)](https://zenodo.org/records/13323342) +- **Code**: [github.com/merizetm/3dses](https://github.com/merizetm/3dses) +- **Benchmark**: [Codabench competition](https://www.codabench.org/competitions/6927/) + +## Authors + +- Maxime Merizette (ESGT / QUARTA) +- Nicolas Audebert (LaSTIG, IGN-ENSG) +- Pierre Kervella (QUARTA / ESGT) +- Jerome Verdun (ESGT) + +**Contributors:** Lea Corduri, Judicaelle Djeudji Tchaptchet, Damien Richard, +Lilian Ribet, Elisabeth Simonetto. diff --git a/Silver/S150.npy b/Silver/S150.npy new file mode 100644 index 0000000000000000000000000000000000000000..e3ceea2d0285f42bc74c6fa0bd35aacd64c7c407 --- /dev/null +++ b/Silver/S150.npy @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:6bcb9f64b5713a4699c64c5b8f8eb04d2668e719326000e33ff792e0c336505a +size 432000128 diff --git a/Silver/S151.npy b/Silver/S151.npy new file mode 100644 index 0000000000000000000000000000000000000000..639515e7aec855ae8c0a6cc3f60c5597e995e762 --- 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