I wanted to install cv2 for python. I tried with pip install, but it doesn't seem to work. Can anyone help me? The version of python I use is ... ... <看更多>

Import the OpenCV module by adding the following line to your code: import cv2 Use OpenCV functions in your code as needed. ... <看更多>

If you have an issue with importing cv2 but the installation finished succesfully, try: sudo apt-get install python-opencv pip install -U numpy. ... <看更多>

You also need to install numpy to use OpenCV: pip3 install numpy. These packages are installed in Colab. Now you can import cv2 and print its version:. ... <看更多>

According to the official documentation, if you had previous versions of opencv-python and opencv-contrib-python installed, ... ... <看更多>