安装mmdetection

python版本：3.7
torch=1.10.0,torchvision==0.11.0 torchaudio=0.10.0 cudatoolkit=11.3.1
mmdetection版本:2.11.0
mmcv-full:
根据自己的cuda版本和torch版本修改下面的网址，找到对应的下载并安装

https://download.openmmlab.com/mmcv/dist/cu113/torch1.10.0/index.html

遇到的bug:
error:
ERROR: Could not build wheels for mmpycocotools, which is required to install pyproject.toml-based
解决：

pip3 install cython==0.29.33 -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com

pip install mmpycocotools