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[论文笔记] Focal Loss for Dense Object Detection - Yuxin Zhao #85

Open YuxinZhaozyx opened 4 years ago

YuxinZhaozyx commented 4 years ago

https://blog.yuxinzhao.top/focal-loss-for-dense-object-detection

作者提出了 Focal Loss 损失函数,在交叉熵损失的基础上加入因子 (1 - p_t)^\gamma ,用于处理one-stage检测器样本不均衡的问题。同时,作者提出了 RetinaNet one-stage检测器。