What means the result of eval.py?

[JunsukLee]

I ran eval.py following this project's manual.:
$ python tools/eval.py --cfg experiments/cityscapes/ddrnet23_slim.yaml

I got this result.:
MeanIU: 0.7783, Pixel_Acc: 0.9601, Mean_Acc: 0.8548, Class IoU:
[0.98051424 0.84613866 0.92252055 0.51403614 0.61611903 0.64109395
0.7016854 0.77541595 0.92519328 0.66229634 0.9446796 0.81535788
0.63319689 0.9494065 0.79650392 0.88227362 0.81294668 0.60278734
0.76526594]
Mins: 1

I would like to know the meaning of the above matrix.