+ mAP @ IoU thresholds (0.075 strict / 0.119 loose vs Boxer 0.43)

1024 input + retrained MLP head: mean IoU 0.063 -> 0.216 (3.4x); > 0.5 IoU 0% -> 9.1%

Argus-3D: discovered class-agnostic 3D detection head on EUPE-ViT-B

fusion_iou=0.4 sweep: mean IoU 0.158 -> 0.177, > 0.5 IoU 2.8% -> 4.3%

+ iterative refinement (mean IoU 0.158); document operating curve

add cross-scene IoU-fusion result (0.046 -> 0.112 mean IoU, 2.4x lift)

Argus-3D: discovered class-agnostic 3D detection head on EUPE-ViT-B

Argus-3D: discovered class-agnostic 3D detection head on EUPE-ViT-B

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Argus-3D: discovered class-agnostic 3D detection head on EUPE-ViT-B