Author

Mark Bong

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Preprint Jul 2026

Finding Change in Satellite Archives from Text: How to Combine Before-and-After Images Efficiently

A training-free two-stage search (a cheap difference model that shortlists candidates, followed by attention fusion that re-ranks them) matches or exceeds full-fusion recall on LEVIR-CC while cutting query cost $10-$15\times, with comparable R@1/R@5 on Dubai-CC.

Simon Roy, Mark Bong, Giovanni Beltrame · 0 citations