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<p align="center"> <a href="https://spacenet.ai"><img src="_figs/sn_logo.png" width="350" alt="SpaceNet LLC"></a> </p> <h1 align="center">The SpaceNet 7 Multi-temporal Urban Development Challenge </h1> <h2 align="center">Winning Solutions</h2> <br>

Summary

The five subdirectories in this repository comprise the code for the winning solutions of SpaceNet 7 hosted by TopCoder. Each subdirectory contains the competitors' written descriptions of their solution to the challenge. See the blog post on CosmiQ Works' blog The DownlinQ for an additional summary. Baseline code can be found here.

Data is hosted on aws at:

	s3://spacenet-dataset/spacenet/SN7_buildings/

Winning model weights are hosted at:

	s3://spacenet-dataset/spacenet-model-weights/spacenet-7/

The winning solutions all use Docker, and assume SpaceNet 7 data is mounted in the /data/ directory.

Performance of the algorithms on the SpaceNet 7 final test set is shown below:

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