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您好,非常感谢您的代码。我尝试将您的focal loss部分加到retinaface模型中,没有改动参数,发现误检特别多。想问下知道可能的原因嘛?是因为我没有进行hard negative mining还是因为我参数没有调对呢?(尝试过修改阈值但作用非常微小)
The text was updated successfully, but these errors were encountered:
我也不太清楚是什么原因导致您这边误检率特别高。
我只能给您说下,这边为什么这么做。α是一个调节正负例的参数,是负例相对于整体的比重;γ是调节识别难易度的参数,一般2就可以了,不需要动。
Retinanet-Pytorch/Model/struct/Focal_Loss.py
Line 8 in bcf5619
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好的谢谢~
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您好,非常感谢您的代码。我尝试将您的focal loss部分加到retinaface模型中,没有改动参数,发现误检特别多。想问下知道可能的原因嘛?是因为我没有进行hard negative mining还是因为我参数没有调对呢?(尝试过修改阈值但作用非常微小)
The text was updated successfully, but these errors were encountered: