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I've tried installing OpenCV with brew, brew install homebrew/science/, sudo pip, sudo pip3, pip and pip3, but I keep getting the following error: ModuleNotFoundError: No module named 'cv2'. What confuses me most is that it seems I've successfully installed OpenCV when I enter pkg-config opencv --cflags in terminal: -I/usr/local/Cellar/opencv/3.3.
I know the python interpreter I am using and I can interchange between them when I want. When I run Python interpreter and write import cv2 it does import it. When I run the code from command prompt it says ModuleNotFoundError: No module named 'cv2' . The module is installed.
Feb 6, 2024 · Learn the reasons and solutions for the common Python error "No module named 'cv2'". This error occurs when the interpreter cannot find the OpenCV library, which can be installed using pip or activated in a virtual environment.
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What is 'modulenotfounderror 'CV2'?
How to install CV2 correctly?
Why is there no module named 'CV2' in Python?
How to fix module not found error CV2 in Python?
- How to Reproduce The Error
- How to Fix This Error
- Install Commands For Other Environments
- Other Common Causes For This Error
- You Have Multiple Versions of Python
- Python Virtual Environment Is Active
- IDE Using A Different Python Version
- You See This Error in PyCharm
- Conclusion
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Suppose you want to use the opencv-pythonlibrary to perform image processing and computer vision tasks: But you get the following error when running the code: To my knowledge, the ModuleNotFoundErrorhappens when Python can’t find the module you’re trying to import. The import the cv2 module successfully, you need to install the opencv-pythonlibrary...
To resolve this error, you need to install the opencv-python library using the pip installcommand: Note that the package name is different than the module name. Once the package is installed, you should be able to run the code that imports cv2without receiving the error.
The install command might differ depending on what environment you used to run the Python code. Here’s a list of common install commands in popular Python environments to install the opencv-pythonpackage: Once the module is installed, you should be able to run the code without receiving this error.
If you still see the error even after installing the module, it means that the opencv-pythonpackage can’t be found in your Python environment. There are several reasons why this error can happen: 1. You may have multiple versions of Python installed on your system, and you are using a different version of Python than the one where opencv-python is ...
If you have multiple versions of Python installed on your system, you need to make sure that you are using the specific version where the opencv-python package is available. You can test this by running the which -a python or which -a python3command from the terminal: In the example above, there are two versions of Python installed on /opt/homebrew...
Another scenario that could cause this error is you may have opencv-python installed in a virtual environment. Python venvpackage allows you to create a virtual environment where you can install different versions of packages required by your project. If you’re installing opencv-pythoninside a virtual environment, then the package won’t be accessib...
Finally, the IDE from where you run your Python code may use a different Python version when you have multiple versions installed. For example, you can check the Python interpreter used in VSCode by opening the command palette (CTRL + Shift + P for Windows and ⌘ + Shift + P for Mac) then run the Python: Select Interpretercommand. You should see all...
If you’re using PyCharm as your IDE, then this error might occur because the package is not installed in the Python interpreter used by PyCharm. This is because PyCharm creates a new virtual environment for each project you create using the IDE. To resolve this error, you can install the package using PyCharm’s terminal. For more information, you c...
In summary, the ModuleNotFoundError: No module named 'cv2' occurs when the opencv-python library is not installed in your Python environment. To resolve this error, you need to run the pip install opencv-pythoncommand. If you already have the module installed, make sure you are using the correct version of Python, check if the virtual environment i...
Learn why this error occurs when Python can’t find the opencv-python library and how to install it using pip or other commands. See common causes and solutions for different Python environments and IDEs.
Apr 8, 2024 · Learn the common causes and solutions for the ModuleNotFoundError: No module named 'cv2' in Python. The error occurs when you forget to install the opencv-python module or use the wrong Python version or environment.
Dec 22, 2014 · 1. I am getting error. No module named cv2. Can you please guide what command should I type to install CV2 (sudo qpt-get install ..?) Thank you. import numpy as np. import cv2. cap = cv2.VideoCapture('vtest.avi') while(cap.isOpened()): ret, frame = cap.read() gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) cv2.imshow('frame',gray)
May 11, 2023 · I installed opencv library by using "pip install opencv-python", but ModuleNotFoundError: No module named 'cv2' error message came out. So I tried to install in anaconda prompt, and I installed opencv-python again, but it stilll didn't work. vscode, python version 3.8.
