Taining result

[trey-ncku]

Thanks for your good work ! I am a new in AD and nuscenes dataset. I training model but the result like below, why iou and val_iou_vehicles always 0.000
(I try the mini dataset and get same result)

my nuscenes dataset
├─ nuscenes/
│ ├─ v1.0-trainval/
│ ├─ v1.0-test/
│ ├─ samples/
│ ├─ maps/
│ ├─ .v1.0-train_meta
│ ├─ .v1.0-test_meta
│ ├─ .v1.0-trainval01_keyframes
│ ├─ ...