Why Am I Getting 'ImportError: No module named cv2' When Importing OpenCV?

Troubleshooting OpenCV Module Import Error

Issue: Encountering "ImportError: No module named cv2" when importing OpenCV's cv2 module in Python.

Investigation:

The "cv2.so" file is located in "/usr/local/lib/python2.7/site-packages/...", indicating proper installation. However, the error suggests a path misconfiguration.

Solution:

To resolve this issue, follow these steps:

Windows:

If using Anaconda, install OpenCV using:

• pip install opencv-python
• conda install -c https://conda.binstar.org/menpo opencv

Linux:

Install OpenCV using:

• pip install opencv-python
• conda install opencv

Anaconda Update:

Run the following Terminal/CMD commands before installing OpenCV:

conda update anaconda-navigator
conda update navigator-updater

Additional Information:

For Python 3.5 , you may refer to the following links:

• [Link 3](https://stackoverflow.com/questions/42536646/cv2-no-module-named-cv2-in-python3-5)
• [Link 4](https://stackoverflow.com/questions/42083973/opencv-installation-with-anaconda-3-on-windows-7)

Latest Update:

For Anaconda users, you can simplify the installation with:

conda install -c conda-forge opencv

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