SAR Ship Gulf — Sentinel 1 GRD Ship Chips with AIS Labels Dataset Summary 18,342 dual polarisation (VV + VH) Sentinel 1 IW GRD ship chips from the Gulf of Mexico, automatically labeled using a four signal AIS label resolver. No manual annotation was used at any stage. Each chip is a 512×512 float32 array centred on an AIS matched vessel position, paired with the vessel's MMSI (identity), resolved vessel type, and chip level metadata (length, speed, heading, acquisition time). This dataset accompanies the paper: M. Shaya, "Zero Curation SAR Ship Classification and Re Identification via Multi Signal AIS Label Resolution and SAR Native Backbone," IEEE J. Sel. Topics Appl. Earth Observ. Remote Sens. , 2026 (under review). Dataset Statistics Total chips 18,342 Unique vessels (MMSI) 2,088 Vessels with ≥2 passes 1,942 (93%) Resolved labels (HIGH + MEDIUM) 1,823 (87.3%) Unresolved 265 (12.7%) Class distribution (HIGH confidence only): Class Vessels Chips Tanker 544 ~1,368 Cargo 232 ~500 Fishing 14 ~71 Tug/Special 0 (MEDIUM only) — Data Sources SAR imagery: Sentinel 1 IW GRD (free, Copernicus programme), Gulf of Mexico, 2024 AIS data: NOAA National AIS (free, public domain), matched ±10 min…
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