SULAND v2 Benchmark: Fixing Annotations Boosts Landmine Detection mAP by ~20 Points

Sagar Lekhak · hf · 2026-08-03

Researchers introduced SULAND v2, a refined RGB dataset and benchmark for surface-landmine detection using UAVs/UGVs. The original dataset suffered from missing annotations, localization errors, and inverted out-of-distribution (OOD) class IDs.

The updated version manually revises labels while preserving original images and splits, comprising 33,771 images and 12,433 bounding boxes. The team benchmarked 35 detector configurations across 9 architectures. Merely fixing annotations boosted YOLOv8 in-distribution (IID) mAP@50 by 14.6-19.6 percentage points and OOD mAP@50 by 25 percentage points.

Results demonstrate that high IID accuracy does not guarantee operational readiness. YOLOv12-Small achieved the highest IID mAP@50 (0.908), while RF-DETR-Large yielded the strongest OOD performance (0.799 mAP@50).

Original post →

More from Research

Research channel →