where is code for dataset sampling(DS Sampling)?

V2AI / Det3D

World's first general purpose 3D object detection codebse.

https://arxiv.org/abs/1908.09492

Apache License 2.0

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where is code for dataset sampling(DS Sampling)? #50

Closed turboxin closed 4 years ago

turboxin commented 4 years ago

hi, thanks for this great code base. I wonder where is code for dataset sampling(DS Sampling), which cause +5 map gain according to your paper "Class-balanced Grouping and Sampling for Point Cloud 3D Object Detection", I could only find db_sampler of "GT_AUG" type, but I think it's diffierent than DS Sampling, am I understanding this correctly?

zxduan90 commented 4 years ago

I think is in nuscenes.py load_infos

poodarchu commented 4 years ago

please use issue template

turboxin commented 4 years ago

@buaaJeremyduan thanks for clarifying that for me!