An unsupervised feature learning method, trained without labels on xView satellite imagery, produces embeddings that support classification, similarity search, outlier detection, and learned class hierarchies, with top-5 classification accuracy approaching a supervised baseline.
Focal loss for dense object detection,
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Unsupervised Feature Learning in Remote Sensing
An unsupervised feature learning method, trained without labels on xView satellite imagery, produces embeddings that support classification, similarity search, outlier detection, and learned class hierarchies, with top-5 classification accuracy approaching a supervised baseline.