树莓派4 安装opencvpython
安装地址:
http://www.freesion.com/article/4543304914/
树莓派4B+ 安装opencv-python 环境错误
/usr/local/lib/python3.7/dist-packages/cv2/cv2.cpython-37m-arm-linux-gnueabihf.so: undefined symbol: __atomic_fetch_add_8
bug问题与解决网址:https://github.com/piwheels/packages/issues/59
- 树莓派thonny程序启动
LD_PRELOAD=/usr/lib/arm-linux-gnueabihf/libatomic.so.1 thonny &
- 4.1.1.26 卸载这个版本bug
pip3 uninstall opencv-contrib-python
pip3 install opencv-contrib-python==4.1.0.25
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