关于BiFPN的输入问题

zylo117 / Yet-Another-EfficientDet-Pytorch

The pytorch re-implement of the official efficientdet with SOTA performance in real time and pretrained weights.

GNU Lesser General Public License v3.0

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Open kuazhangxiaoai opened 2 years ago

kuazhangxiaoai commented 2 years ago

请问，输入到BiFPN的p3_in~p7_in的channel数都必须一样，对吗？谢谢

shenhaibb commented 2 years ago

同问那这样的话怎么输出不同维度的特征图呢

zylo117 commented 2 years ago

通道数肯定要相同啊，P3到P7两两之间是要进行attention的，通道数不同是无法线性叠加的