LielinJiang

Results 7 issues of LielinJiang

I trained several models of PETR v1 with configs under "projects/configs/petr" directory. mAP is same as the model file,but NDS is much lower。 ![image](https://user-images.githubusercontent.com/50691816/197458021-285ca8e8-bc61-44ed-99de-d71167615dc3.png) this is my train log, is...

https://github.com/PaddlePaddle/Paddle/issues/37522, 麻烦帮忙看下这个问题