Class-balanced Grouping and Sampling for Point Cloud 3D Object Detection

Benchmark Model Rank Results
3d-object-detection-on-nuscenes-lidar-onlyCBGS#6NDS: 63.3NDS (val): 62.3mAP: 52.8mAP (val): 50.6
3d-object-detection-on-nuscenesMEGVII#32NDS: 0.633mAP: 0.528