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In addition, I don't think this is the cause of nms. In fact, such results are already the results after nms.

@yqyao Hello! I also feel very strange about this, because in my display, the value of loss has been falling normally, so I didn't realize that this happened, and it...

@yin19961202 Hello, I haven't found the main cause of this problem at present, I guess it may be because the model is too complicated, and it caused gradient explosion or...