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cs.CV2026
To Remove or Not to Remove Clouds: A Comparative Analysis and Fusion of Raw SAR and Synthetic NDWI for Overcast Water Segmentation
Saleh Sakib Ahmed, Sara Nowreen, M. Sohel Rahman
Persistent clouds blind optical satellites during floods. While Synthetic Aperture Radar (SAR) penetrates clouds, its raw data is noisy and lacks clear contrast. To mitigate this,…
cs.CV2026
Counting the Cost of War Under Satellite Embargo: Zero-Shot Estimation of Impacted Infrastructure
Saleh Sakib Ahmed, M. Sohel Rahman
Rapid estimation of impacted structures - critical for conflict-zone humanitarian response - is frequently hindered by post-strike satellite data embargoes and imagery blackouts. W…
cs.CV2025
CloudBreaker: Breaking the Cloud Covers of Sentinel-2 Images using Multi-Stage Trained Conditional Flow Matching on Sentinel-1
Saleh Sakib Ahmed, Sara Nowreen, M. Sohel Rahman
Cloud cover and nighttime conditions remain significant limitations in satellite-based remote sensing, often restricting the availability and usability of multi-spectral imagery. I…