How to use the result of panoptic segmentation to caculate the evaluation result of PQ metric data?

[zhangliyun9120]

Since I found the evaluation caculation need the annotation json file and panoptic segmentation PNG file as the inputs, currently I just get the result of panoptic FPN model.
So can I use the result of panoptic segmentation to caculate the evaluation result of PQ metric data?
If you know how to do this or having some code to do this, can you share to me?
Thank you so much!