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Fix COCO Faster R-CNN evaluation loading and support Detectron2 CSV export layout by NacerNasri25 · Pull Request #2 · schubertm/MetaDetect · GitHub

Fix COCO Faster R-CNN evaluation loading and support Detectron2 CSV export layout - #2

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NacerNasri25 wants to merge 4 commits into
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NacerNasri25:fix/metadetect-coco-frcnn-loader
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Fix COCO Faster R-CNN evaluation loading and support Detectron2 CSV export layout#2
NacerNasri25 wants to merge 4 commits into
schubertm:mainfrom
NacerNasri25:fix/metadetect-coco-frcnn-loader

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NacerNasri25 commented Mar 5, 2026
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This PR fixes the evaluation pipeline for the Detectron2 Faster R-CNN baseline on COCO val2017 within the MetaDetect framework.

Main changes

  • Support both CSV layouts:
    • /csv/*.csv (original MetaDetect layout)
    • /*.csv (Detectron2 export layout)
  • Filter aggregated CSV files (metrics_cat.csv, true_iou.csv, etc.) when loading image-level CSVs.
  • Add dataset variant switch via environment variable:
    METDETECT_COCO_VARIANT=full

Evaluation
The pipeline was successfully executed on the full COCO val2017 outputs.

Dataset statistics:

  • Images: 3267
  • Candidate boxes: 980,081

MetaDetect evaluation results (eps_s = 0.3, 15 runs):

Mean accuracy: 0.8118 ± 0.0012
Mean AUROC: 0.8335 ± 0.0014

NacerNasri25 changed the title Fix COCO Faster R-CNN evaluation loading + add full/small dataset switch Fix COCO Faster R-CNN evaluation loading and support Detectron2 CSV export layout Mar 5, 2026
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