Small Object Detection via Coarse-to-fine Proposal Generation and Imitation Learning Github:https://github.com/shaunyuan22/CFINet?tab=readme-ov-filearXiv:https://arxiv.org/abs/2308.09534# 难点小目标检测具有的两个挑战:小目标检测的两个固有挑战:训练样本不足和质量低,以及兴趣区域预测