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QFabric is released for academic and non-commercial research use. Each request is reviewed manually by Lab Aérien. For commercial use or bulk transfer, contact hello@labaerien.com.

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QFabric: Multi-Task Change Detection Dataset

QFabric is the first labeled dataset for multi-task urban change detection — combining change-type classification, change-status tracking, and neighborhood context across a multi-date, high-resolution satellite record.

At a glance

Change polygons 450,000
Locations 504
Cities 100
Imagery 245.1 gigapixels
Dates per location 5
Resolution 0.31–0.70 m
Period Jan 2014 – Jul 2020 (WorldView-2)

Labels

  • Change type (6): Residential, Commercial, Industrial, Road, Demolition, Mega Project
  • Change status (9): Prior Construction, Greenland, Land Cleared, Excavation, Materials Dumped, Construction Started, Construction Midway, Construction Done, Operational
  • Context: urban type (5), geography type (11), city + lat/lon, neighborhood bounding box

Access

This is a gated dataset reviewed manually. Click Request access above and describe your intended use. Once approved:

from datasets import load_dataset

ds = load_dataset("labaerien/qfabric")

Authenticate first with huggingface-cli login using the approved account.

License

Released under CC BY-NC 4.0 — academic and non-commercial research use. For commercial licensing, contact hello@labaerien.com.

Citation

@inproceedings{verma2021qfabric,
  title     = {QFabric: Multi-Task Change Detection Dataset},
  author    = {Verma, Sagar and Panigrahi, Akash and Gupta, Siddharth},
  booktitle = {EARTHVISION 2021 Workshop, CVPR},
  year      = {2021},
  url       = {https://openaccess.thecvf.com/content/CVPR2021W/EarthVision/papers/Verma_QFabric_Multi-Task_Change_Detection_Dataset_CVPRW_2021_paper.pdf}
}
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