whether the code about iou sample is released

[eternaldolphin]

but the code of OlnRPNHead shows that the iou sample is not used, as the function get_target return to the objectness_targets_list and objectness_weights_list without sample

[vedrocks15]

I think they are using the IoU sample of 256 instances in the train_cfg function :

Correct me if I am wrong, because I am trying to use this approach for a new dataset.