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bevdet-r50-cbgs.py
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bevdet-r50-cbgs.py
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# Copyright (c) Phigent Robotics. All rights reserved.
# mAP: 0.3085
# mATE: 0.7149
# mASE: 0.2800
# mAOE: 0.5977
# mAVE: 0.7787
# mAAE: 0.2300
# NDS: 0.3941
# Eval time: 142.1s
#
# Per-class results:
# Object Class AP ATE ASE AOE AVE AAE
# car 0.523 0.510 0.157 0.104 0.837 0.212
# truck 0.229 0.712 0.216 0.133 0.719 0.219
# bus 0.276 0.880 0.217 0.120 1.722 0.413
# trailer 0.155 0.993 0.231 0.367 0.427 0.179
# construction_vehicle 0.069 0.932 0.516 1.303 0.117 0.371
# pedestrian 0.332 0.769 0.308 1.311 0.891 0.306
# motorcycle 0.276 0.719 0.263 0.750 1.216 0.131
# bicycle 0.208 0.682 0.268 1.179 0.301 0.009
# traffic_cone 0.518 0.477 0.328 nan nan nan
# barrier 0.500 0.474 0.297 0.113 nan nan
_base_ = ['../_base_/datasets/nus-3d.py', '../_base_/default_runtime.py']
# Global
# If point cloud range is changed, the models should also change their point
# cloud range accordingly
point_cloud_range = [-51.2, -51.2, -5.0, 51.2, 51.2, 3.0]
# For nuScenes we usually do 10-class detection
class_names = [
'car', 'truck', 'construction_vehicle', 'bus', 'trailer', 'barrier',
'motorcycle', 'bicycle', 'pedestrian', 'traffic_cone'
]
data_config = {
'cams': [
'CAM_FRONT_LEFT', 'CAM_FRONT', 'CAM_FRONT_RIGHT', 'CAM_BACK_LEFT',
'CAM_BACK', 'CAM_BACK_RIGHT'
],
'Ncams':
6,
'input_size': (256, 704),
'src_size': (900, 1600),
# Augmentation
'resize': (-0.06, 0.11),
'rot': (-5.4, 5.4),
'flip': True,
'crop_h': (0.0, 0.0),
'resize_test': 0.00,
}
# Model
grid_config = {
'x': [-51.2, 51.2, 0.8],
'y': [-51.2, 51.2, 0.8],
'z': [-5, 3, 8],
'depth': [1.0, 60.0, 1.0],
}
voxel_size = [0.1, 0.1, 0.2]
numC_Trans = 64
model = dict(
type='BEVDet',
img_backbone=dict(
pretrained='torchvision://resnet50',
type='ResNet',
depth=50,
num_stages=4,
out_indices=(2, 3),
frozen_stages=-1,
norm_cfg=dict(type='BN', requires_grad=True),
norm_eval=False,
with_cp=True,
style='pytorch'),
img_neck=dict(
type='CustomFPN',
in_channels=[1024, 2048],
out_channels=256,
num_outs=1,
start_level=0,
out_ids=[0]),
img_view_transformer=dict(
type='LSSViewTransformer',
grid_config=grid_config,
input_size=data_config['input_size'],
in_channels=256,
out_channels=numC_Trans,
downsample=16),
img_bev_encoder_backbone=dict(
type='CustomResNet',
numC_input=numC_Trans,
num_channels=[numC_Trans * 2, numC_Trans * 4, numC_Trans * 8]),
img_bev_encoder_neck=dict(
type='FPN_LSS',
in_channels=numC_Trans * 8 + numC_Trans * 2,
out_channels=256),
pts_bbox_head=dict(
type='CenterHead',
in_channels=256,
tasks=[
dict(num_class=10, class_names=['car', 'truck',
'construction_vehicle',
'bus', 'trailer',
'barrier',
'motorcycle', 'bicycle',
'pedestrian', 'traffic_cone']),
],
common_heads=dict(
reg=(2, 2), height=(1, 2), dim=(3, 2), rot=(2, 2), vel=(2, 2)),
share_conv_channel=64,
bbox_coder=dict(
type='CenterPointBBoxCoder',
pc_range=point_cloud_range[:2],
post_center_range=[-61.2, -61.2, -10.0, 61.2, 61.2, 10.0],
max_num=500,
score_threshold=0.1,
out_size_factor=8,
voxel_size=voxel_size[:2],
code_size=9),
separate_head=dict(
type='SeparateHead', init_bias=-2.19, final_kernel=3),
loss_cls=dict(type='GaussianFocalLoss', reduction='mean'),
loss_bbox=dict(type='L1Loss', reduction='mean', loss_weight=0.25),
norm_bbox=True),
# model training and testing settings
train_cfg=dict(
pts=dict(
point_cloud_range=point_cloud_range,
grid_size=[1024, 1024, 40],
voxel_size=voxel_size,
out_size_factor=8,
dense_reg=1,
gaussian_overlap=0.1,
max_objs=500,
min_radius=2,
code_weights=[1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.2, 0.2])),
test_cfg=dict(
pts=dict(
pc_range=point_cloud_range[:2],
post_center_limit_range=[-61.2, -61.2, -10.0, 61.2, 61.2, 10.0],
max_per_img=500,
max_pool_nms=False,
min_radius=[4, 12, 10, 1, 0.85, 0.175],
score_threshold=0.1,
out_size_factor=8,
voxel_size=voxel_size[:2],
pre_max_size=1000,
post_max_size=500,
# Scale-NMS
nms_type=['rotate'],
nms_thr=[0.2],
nms_rescale_factor=[[1.0, 0.7, 0.7, 0.4, 0.55,
1.1, 1.0, 1.0, 1.5, 3.5]]
)
)
)
# Data
dataset_type = 'NuScenesDataset'
data_root = 'data/nuscenes/'
file_client_args = dict(backend='disk')
bda_aug_conf = dict(
rot_lim=(-22.5, 22.5),
scale_lim=(0.95, 1.05),
flip_dx_ratio=0.5,
flip_dy_ratio=0.5)
train_pipeline = [
dict(
type='PrepareImageInputs',
is_train=True,
data_config=data_config),
dict(type='LoadAnnotations'),
dict(
type='BEVAug',
bda_aug_conf=bda_aug_conf,
classes=class_names),
dict(type='ObjectRangeFilter', point_cloud_range=point_cloud_range),
dict(type='ObjectNameFilter', classes=class_names),
dict(type='DefaultFormatBundle3D', class_names=class_names),
dict(
type='Collect3D', keys=['img_inputs', 'gt_bboxes_3d', 'gt_labels_3d'])
]
test_pipeline = [
dict(type='PrepareImageInputs', data_config=data_config),
dict(type='LoadAnnotations'),
dict(type='BEVAug',
bda_aug_conf=bda_aug_conf,
classes=class_names,
is_train=False),
dict(
type='LoadPointsFromFile',
coord_type='LIDAR',
load_dim=5,
use_dim=5,
file_client_args=file_client_args),
dict(
type='MultiScaleFlipAug3D',
img_scale=(1333, 800),
pts_scale_ratio=1,
flip=False,
transforms=[
dict(
type='DefaultFormatBundle3D',
class_names=class_names,
with_label=False),
dict(type='Collect3D', keys=['points', 'img_inputs'])
])
]
input_modality = dict(
use_lidar=False,
use_camera=True,
use_radar=False,
use_map=False,
use_external=False)
share_data_config = dict(
type=dataset_type,
classes=class_names,
modality=input_modality,
img_info_prototype='bevdet',
)
test_data_config = dict(
pipeline=test_pipeline,
ann_file=data_root + 'bevdetv3-nuscenes_infos_val.pkl')
data = dict(
samples_per_gpu=8,
workers_per_gpu=4,
train=dict(
type='CBGSDataset',
dataset=dict(
data_root=data_root,
ann_file=data_root + 'bevdetv3-nuscenes_infos_train.pkl',
pipeline=train_pipeline,
classes=class_names,
test_mode=False,
use_valid_flag=True,
# we use box_type_3d='LiDAR' in kitti and nuscenes dataset
# and box_type_3d='Depth' in sunrgbd and scannet dataset.
box_type_3d='LiDAR')),
val=test_data_config,
test=test_data_config)
for key in ['val', 'test']:
data[key].update(share_data_config)
data['train']['dataset'].update(share_data_config)
# Optimizer
optimizer = dict(type='AdamW', lr=2e-4, weight_decay=1e-2)
optimizer_config = dict(grad_clip=dict(max_norm=5, norm_type=2))
lr_config = dict(
policy='step',
warmup='linear',
warmup_iters=200,
warmup_ratio=0.001,
step=[20,])
runner = dict(type='EpochBasedRunner', max_epochs=20)
custom_hooks = [
dict(
type='MEGVIIEMAHook',
init_updates=10560,
priority='NORMAL',
),
]
# fp16 = dict(loss_scale='dynamic')