Can you please tell about how and with what tools you are using it? Like with as much details as you can, because I would like to setup it today and work with it.

They used to do this, I remember papers from 2015 the performance analysis of many papers were very comprehensive. They even provided useful statistics about used datasets. Now it’s “we used COCO and evaluated on 2017val. Here is the final number.” Unless the paper is about being better in certain classes, they will report the averaged percentage.