确定自己使用的框架并导入对应的库。导入库实现样例代码可参考 文档中心-预训练模型使用教程
在代码中实现加载预训练模型地址
from mmdet.apis import init_detector
config = 'your-cfg-path.pth'
checkpoint = 'universenet50_gfl_fp16_4x4_mstrain_480_960_2x_coco_20200729_epoch_24-c9308e66.pth'
model = init_detector(config, checkpoint)
resnext101_32x4d_gn-ac3bb84e.pth
查看来源：https://download.openmmlab.com/pretrain/third_party/resnext101_32x4d_gn-ac3bb84e.pthres2net101_v1d_26w_4s_mmdetv2-f0a600f9.pth
查看来源：https://download.openmmlab.com/pretrain/third_party/res2net101_v1d_26w_4s_mmdetv2-f0a600f9.pthuniversenet50_gfl_fp16_4x4_mstrain_480_960_2x_coco_20200729_epoch_24-c9308e66.pth
查看来源：https://github.com/shinya7y/UniverseNet/releases/download/20.07/universenet50_gfl_fp16_4x4_mstrain_480_960_2x_coco_20200729_epoch_24-c9308e66.pth