Import cv2 in python windows I also tried pyopenvc and pip install opencv-python. 1. Install all packages into their default locations. I tried pip install cv2 and pip install open_cv and got the same problem - a warning message from dist. 7. Output: Jun 8, 2025 · We will learn to setup OpenCV-Python in your Windows system. For example, to read and display an image: import cv2 # Load an image image = cv2. Whether you're into image processing, computer vision tasks like object detection, facial recognition, or video analysis, having `cv2` installed correctly is the first step Installation Select your preferences and run the install command. org Jan 15, 2025 · Once installed, you can start using OpenCV in your Python projects. Operating System: Linux macOS Windows Building From Source: Yes No Language: Python C++ Java Android iOS JavaScript Run this Command: Default Result: pip3 install opencv-python Verification To ensure that OpenCV is installed correctly, we can run the following example to show how to read and display […] pip install opencv-python Since you're running on Windows, I can import cv2 from python in terminal which uses 2. The screenshots shows VS2012. py. Mar 25, 2024 · はじめる前にOpenCVとは? OpenCV（Open Source Computer Vision Library）は、コンピュータビジョンや画像処理のためのオープンソースのライブラリです。主にC++で書かれていますが、Pythonなど他の言語でも使用することができます. waitKey (0) cv2. 4+) or Python 2. These issues can be resolved by checking the Python and pip versions, upgrading pip if necessary, uninstalling any pre-existing Nov 7, 2024 · OpenCV Tutorial in Python OpenCV, short for Open Source Computer Vision Library, is an open-source computer vision and machine learning software library. Originally developed by Intel, it is now maintained by a community of developers under the OpenCV Foundation. The module is installed. If you need support for working videos: pip install opencv-contrib-python. destroyAllWindows This code reads an image from the specified path and displays it in a window. Aug 7, 2024 · pip install opencv-python. Open your terminal or command prompt and install OpenCV using pip, the Python package manager: pip install opencv-python. opencv-contrib-python. Python Aug 15, 2018 · I need to install cv2 for a script that has been written for me. 4. Beginning with the installation: Type the command in the Terminal and proceed: Collecting Information and downloading data: Installing Packages: Finished Installation: To check if OpenCV is correctly installed, just run the following commands to perform a version check: python >>>import cv2 >>>print(cv2. OpenCVis a huge open-source library for computer vision, machin Jan 8, 2013 · We will learn to setup OpenCV-Python in your Windows system. imread ('path_to_image. No cv2 installed. 3 days ago · Python 3. So, I went to the opencv site and downloaded the relevant exe. The `cv2` module in Python provides a convenient interface to work with OpenCV's extensive functionality. 9. Install OpenCV Using pip. Below Python packages are to be downloaded and installed to their default locations. To install the opencv-python module May 16, 2024 · pip install opencv-python Step 4: Import OpenCV in your Notebook. Jun 30, 2023 · However, you may encounter installation issues on Windows due to incorrect installation directory, mismatched versions of OpenCV, Python, and pip, or conflicts due to naming their own Python file or program as cv2. 7 by default, and cv2 version is 2. May 22, 2024 · In the first step, we will see if the VS Code is installed. Mar 23, 2025 · OpenCV (Open Source Computer Vision Library) is an open-source computer vision and machine learning software library. Apr 8, 2024 · Install opencv-python (cv2) on Windows; Install opencv-python (cv2) on macOS or Linux; Install opencv-python (cv2) in Visual Studio Code; Install opencv-python (cv2) in PyCharm; Install opencv-python (cv2) in Anaconda; Install opencv-python (cv2) in Jupyter Notebook # Install opencv-python (cv2) on Windows. But Jun 5, 2025 · To name the few more available libraries that can be included with the following linker flags (for Windows remove -l and add 451d. jpg') # Display the image cv2. Installing OpenCV from prebuilt binaries. Installing OpenCV from prebuilt binaries . opencv-python-headless. Numpy package (for example, using pip install numpy command). imshow ('Image', image) cv2. x from here. x (3. 5. Conclusion. When I run the code from command prompt it says ModuleNotFoundError: No module named 'cv2' . Python will be installed to C:/Python27/ in case of Python 2. If you see the version information of OpenCV appear, then Anaconda has installed the library correctly. opencv-python. 1: When I run Python interpreter and write import cv2 it does import it. Matplotlib (pip install matplotlib) (Matplotlib is optional, but recommended since we use it a lot in our tutorials). If you need a non-GUI OpenCV: pip install opencv-python-headless. __version__) Sep 11, 2019 · pip install opencv-python. lib to the end if the version of opencv is 4. If no errors occur, OpenCV is ready to be used. If it is not then you can refer to Install VS Code in Windows for further information regarding the installation of VS Code. Once OpenCV is installed, you can check if it is installed correctly or not by importing the module into your code and checking for its version that is installed. py and complains about zlib being not found. It's worth noting that you can build OpenCV from the source code yourself if you need a specific version on your machine. If you need to install specific version you can use == to check the available version first like See full list on pypi. Below steps are tested in a Windows 7-64 bit machine with Visual Studio 2010 and Visual Studio 2012. jjnatlksuuwhmgdnpnajdpimigbgkymwjoxijyvzvysvzge