{"art_id":"a-x3-860e65f9-01-002","inv_id":"inv-x3-860e65f9-01","source":{"dataset":"xview3-public","ref":"860e65f9f3191ffdp","provenance":"Deteksi E1 nyata dari inferensi batch xView3 (experiments/e1/results/batch/860e65f9f3191ffdp.csv, baris 202, ambang objectness 0.3, tile 2048/step 1536, fp16, TTA fliplr); peran kurasi 'vessel_p_tertinggi'. Georeferensi memakai CRS dan affine GeoTIFF scene itu sendiri (EPSG:32632 -> EPSG:4326), RMSE terhadap 883 label public.csv = 7.0 m. Metode affine cocok-label yang diminta (least squares row/col->lat/lon atas 883 label scene ini) dipakai sebagai uji-silang independen, bukan sumber koordinat: RMSE terhadap georeferensi GeoTIFF = 706.7 m, selisih pada deteksi ini 1190.9 m; affine datar dalam (lat,lon) tidak dapat mewakili lengkung UTM->WGS84 sepanjang scene ~300 km. Chip 256x256 px band VH_dB dibaca per-window (rasterio), regangan kontras persentil 2-98 pada [-30.61,-7.16] dB, kontras inti-vs-latar 15.9 dB. confidence_calibrated = objectness_p apa adanya; kalibrasi E1b belum diterapkan dan akan menggantikan nilai ini. Scene ESA asli: S1A_IW_GRDH_1SDV_20201022T171800 (akuisisi 2020-10-22T17:18:00Z); kejadian historis dataset xView3, direplay untuk split demo, usia bukti dihitung sejak ingest."},"sintetis":false,"created_at":"2026-08-09T10:11:10Z","hash_sha256":"e88e839a0ccb16062b751884978e0f5791988b1cfac3fabb1740869619eca215","type":"sar_detection","payload":{"lat":55.456139,"lon":8.481668,"row":19484,"col":28082,"length_m_est":37.59,"objectness_p":0.520338,"vessel_p":0.957524,"fishing_p":0.007198,"confidence_calibrated":0.520338,"scene_id":"860e65f9f3191ffdp"}}