| # IMPACT v1.1 Data Release |
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| IMPACT is a synchronized five-view RGB-D dataset and benchmark for multi-granularity human procedural action understanding in industrial assembly. The release contains 112 trials from 13 participants and 39.5 video hours across one egocentric and four exocentric views. |
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| - Project page: https://kratos-wen.github.io/IMPACT/ |
| - Benchmark code: https://github.com/Kratos-Wen/IMPACT |
| - Hugging Face mirror: https://huggingface.co/datasets/KratosWen/IMPACT |
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| ## Release Update |
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| In v1.1, all 560 TAS-B annotation files were revalidated and 117 of 560 RGB videos (20.9%) were updated. See `CHANGELOG.md` for the complete revision record. |
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| ## Archives |
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| The release provides independent archives for annotations, RGB videos, depth streams, ego audio, eye tracking, and I3D, MViTv2, and VideoMAEv2 features. Every ZIP extracts into the same `IMPACT-v1.1/` root. |
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| The quick-start sample is available at `sample/IMPACT-v1.1-sample.zip` and contains three complete executions with synchronized media, all released feature types, and corresponding task annotations. |
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| Exact archive sizes are recorded in `MANIFEST.tsv`; SHA-256 checksums are recorded in `SHA256SUMS`; verification scope is recorded in `VERIFICATION.tsv`. |
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| ## Selective Download |
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| The benchmark repository provides a Hugging Face downloader with automatic checksum verification: |
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| ```bash |
| git clone https://github.com/Kratos-Wen/IMPACT.git |
| cd IMPACT |
| python -m pip install -r requirements-tools.txt |
| python tools/download_impact.py --include sample --output downloads |
| python tools/verify_release.py downloads/v1.1/sample/IMPACT-v1.1-sample.zip |
| ``` |
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| ## License |
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| Dataset assets and release documentation are licensed under CC BY-NC-SA 4.0. See `LICENSE-DATA` for scope and attribution guidance. |
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