尝试在树莓派4b安装opencv-python,出现以下错误,ImportError: libcblas.so.3: cannot open shared object file: No such file or directory
解决方法,安装依赖
sudo apt-get install libcblas-dev
sudo apt-get install libhdf5-dev
sudo apt-get install libhdf5-serial-dev
sudo apt-get install libatlas-base-dev
sudo apt-get install libjasper-dev
sudo apt-get install libqtgui4
sudo apt-get install libqt4-test
安装完再导入cv2,如果出现如下
升级下numpy
pip install numpy --upgrade
最后再测试