How to install cuda in python

Python
,
1

I install opencv-python and opencv-contrib-python == 4.1.2
How to use it?

2

opencv-contrib-python does not include CUDA. The below is taken from the project page

## OpenCV on Wheels

Pre-built CPU-only OpenCV packages for Python.

Check the manual build section if you wish to compile the bindings from source to enable additional modules such as CUDA.