Expired50% confidenceFactExact time
The Focal Loss proposed by RetinaNet effectively addresses the positive-negative sample imbalance problem in single-stage detectors, and this idea was also adopted by subsequent YOLO versions.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/30/2026(expired)
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