Cond installer openCV
conda install -c conda-forge opencv
Dark Duck
conda install -c conda-forge opencvpip install opencv-python
pip install opencv-contrib-python#Basic package
pip install opencv-python
#Full package
pip install opencv-contrib-pythonsudo pip3 install opencv-contrib-python# install any one of them to avoid conflicts
# I prefer 2nd one
pip install opencv-python
pip install opencv-contrib-python
# for linux, you may have two python version on your pc
# so -
pip3 install opencv-contrib-python