Zhendong Yang Zhe Li Xiaohu Jiang Yuan Gong 0002 Zehuan Yuan Danpei Zhao Chun Yuan 0003 Focal and Global Knowledge Distillation for Detectors. 2021 abs/2111.11837 CoRR https://arxiv.org/abs/2111.11837 db/journals/corr/corr2111.html#abs-2111-11837