本文介绍了一篇关于目标检测中不平衡的综述论文：Imbalance Problems in Object Detection: A Review (https://arxiv.org/abs/1909.00169, under review at TPAMI)，作者结合自己最近在这方面的 Tech Report: Is Sampling Heuristics Necessary in Training Object Detectors? (https://arxiv.org/abs/1909.04868) 进行一些阐述和思考，希望可以给大家以启发。