_base_ = [
    '../_base_/models/hv_pointpillars_fpn_nus.py',
    '../_base_/datasets/nus-3d.py',
    '../_base_/schedules/schedule_2x.py',
    '../_base_/default_runtime.py',
]
# model settings
model = dict(
    type='MVXFasterRCNN',
    pretrained=dict(pts='open-mmlab://regnetx_1.6gf'),
    pts_backbone=dict(
        _delete_=True,
        type='NoStemRegNet',
        arch='regnetx_1.6gf',
        out_indices=(1, 2, 3),
        frozen_stages=-1,
        strides=(1, 2, 2, 2),
        base_channels=64,
        stem_channels=64,
        norm_cfg=dict(type='naiveSyncBN2d', eps=1e-3, momentum=0.01),
        norm_eval=False,
        style='pytorch'),
    pts_neck=dict(in_channels=[168, 408, 912]))
