1. 问题所示
在目标检测的模型中加入CA注意力机制或者CBAM注意力机制的时候出现如下问题:
Epoch GPU_mem box_loss obj_loss cls_loss Instances Size
0%| | 0/143 [00:02<?, ?it/s]
Traceback (most recent call last):
File "train.py", line 760, in <module>
main(opt)
File "train.py", line 643, in main
train(opt.hyp, opt, device, callbacks)
File "train.py", line 402, in train
scaler.scale(loss).backward()
File "/home/kkjz/anaconda3/envs/py17/lib/python3.7/site-packages/torch/_tensor.py", line 488, in backward
self, gradient, retain_graph, create_graph, inputs=inputs
File "/home/kkjz/anaconda3/envs/py17/lib/python3.7/site-packages/torch/autograd/__init__.py", line 199, in backward
allow_unreachable=