1. Check pip and python version
# If the pip version is too low, it may not be installed and needs to be upgraded. Enter in the terminal
pip install -U pip
2. Install the dynamic link library that opencv depends on
# Terminal input
sudo apt install libqt4-test
sudo apt install libqtgui4
3. There is a problem
During the above command process, the following errors may occur:
4. Solution
# First step
cd /var/lib/dpkg
# Second step
sudo mv info info.baksudo
# third step
sudo mkdir info
5. Installation
# Terminal input
sudo pip install opencv-python
Success interface:
6. Test
# Terminal input
python
# Import
import cv2 as cv
print(cv.__version__)
The renderings are as follows:
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