How do I calculate the AP for each category?

[Philharmy-Wang]

I used detectron2 for the first time to train a custom dataset.
I have trained on the custom dataset and got the .pth weights file.
How do I calculate the AP for each class?

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[zhanghang1989]

Assuming you have successfully registered customized dataset. You can specify your dataset as the test set, the per-class AP will be calculated automatically by the evaluator.