AIWalker

Mar 11, 2026 · Artificial Intelligence

Why 90% of DETR Queries Stay Idle and How PaQ‑DETR Boosts mAP by 4.2%

The article dissects the query‑activation imbalance in DETR‑based detectors, explains PaQ‑DETR’s pattern‑sharing and quality‑aware assignment mechanisms, and shows how these jointly raise detection mAP by up to 4.2% on COCO with less than 5% extra FLOPs.