DataFunTalk

Nov 14, 2019 · Artificial Intelligence

Sample Imbalance and Importance in Object Detection: IoU‑Balanced Sampling and Prime Sample Attention

The talk analyzes sample imbalance and importance in object detection, proposes IoU‑balanced negative sampling and instance‑balanced positive sampling, introduces the Prime Sample concept with Hierarchical Local Rank, and presents Importance‑based Sample Reweighting and Classification‑Aware Regression Loss, achieving consistent mAP gains without extra overhead.