Pip install cv2 not working mac opencv-python-headless. 0. pip install opencv-python==4. whl (64-bit version) I think it would be easier. We discussed the options for installing pip, how to use a virtual environment, and setting up your Python environment in VS Code. whl (32-bit version) pip install opencv_python‑3. 0 wheel files are now available in the unofficial site and replaced OpenCV 3. Then I did various things, and ran this command again, now it worked. The install folder will be /usr/local/bin/ by default. 2. whl I then opened python and the following worked. cn/simple opencv-python 2. Alternatively you can try using pip install pyopencv --allow-external, sometimes this options solves the problem (at least on windows). 7 -m pip install path for tesseract. Understanding the basic usage methods, common practices, and best practices will help you build efficient and reliable computer vision applications. How to install the OpenCV library in your project within a virtual environment or globally? Here’s a solution that always works: Aug 31, 2022 · Update 4. Mar 4, 2025 · Learn how to fix the "No module named cv2" error in Python on a Mac. import cv2 import urllib import numpy Apr 1, 2015 · For those having similar issues as the OP and have already tried the pip install opencv-python without success, this may be your correct answer. Apr 4, 2020 · 安装openCV pip install opencv-python 但因为openCV是外网的库，安装可能回很慢，建议从【清华镜像园】进行安装 pip3 install -i https://pypi. Jun 30, 2023 · #output displayed if opencv is already installed C:\Users\SHREYA>pip show opencv-python Name: opencv-python Version: 4. __version__) More info is available in this Mark Jay video. path and I have to delete it from sys. Follow these steps to resolve the issue and get back to your computer vision projects seamlessly. tsinghua. 10' found Aug 26, 2023 · Hello, I have PIP installed “fer” and “opencv-python” but I can’t import them. I originally wrote this blog post when the alpha version was released, and it has now been updated on November 30th, 2018 to support the official release. I have tried the following installs but they don’t work: pip install numpy opencv-python conda install -c conda-forge opencv conda install -c menpo opencv Mar 4, 2025 · This comprehensive guide covers various methods, including using pip to install OpenCV, creating a virtual environment, and ensuring compatibility between Python and pip versions. Here are some things that can Python raises the ModuleNotFoundError: No module named 'cv2 when it is unable to find the cv2 library. cn/simple 记住命令前加sudo，否则会报错 填写密码后即可安装 验证安装是否成功 方法1 import cv2 没错报错就表明安装成功 方法2 conda list 找到opencv库则表明安装成功！ I ran into the same problem. 0, however version 7. May 10, 2017 · Then type below command to install it: pip install opencv_python‑3. 10 Install Pycharm(If you have not done it already) Download and install the OpenCV executable. The import should work without errors. Pip is the default package-management system written in Python and is used to install and manage software packages. Test the installation: python >> import cv2. Quick fix: install cv2 using: the pip install opencv-python command. 0‑cp36‑cp36m‑win_amd64. I have the following specificities. 4) sudo apt-get update. " In this quick guide, we will walk you through installing OpenCV and getting it to work with Python. pip install --proxy user:password@proxyserver:port Apr 23, 2020 · First of all we start by importing the libraries Opencv, Numpy and Pytesseract. Jan 8, 2019 · I was able to solve the issue, with a bit of help from the opencv support forum. 10' found -- Checking for module 'gstreamer-app-0. ” Dec 13, 2020 · I purchased a M1 Mac. 3 days ago · Install the . Apr 22, 2025 · To avoid confusion specify the Python version explicitly when installing: python3 -m pip install opencv-python. import cv2 print(cv2. To check if OpenCV is correctly installed, just run the following program in PyCharm to perform a version check: pip install opencv-python This command will install the main OpenCV package. Check version with pip -V. IDE using a different Python version Jan 11, 2019 · from pip list, import cv2 doesn't work. I did pip install opencv-python and brew install opencv and brew install opencv as well. 7 -m pip install pytesseract # py -3. Make sure that your pip version is up-to-date (19. Step2: Install Homebrew. The following is the old answer. 10' -- No package 'gstreamer-base-0. 3) sudo apt-get install libhdf5-dev. The most likely cause is that you didn’t install cv2 in the environment where you are running your code. Then, follow the instructions from the pop-up there. However, if you need additional functionalities, such as GUI features or video processing capabilities, you might want to install the opencv-contrib-python package as well: Dec 5, 2024 · If you’ve been trying to install OpenCV and CV2 in PyCharm or using the terminal with pip, you may have encountered common installation errors like “No matching distribution found for opencv” or “Could not find a version that satisfies the requirement cv2. I had this issue in my Jupyter Notebook after I had "installed" the opencv package, using Anaconda Navigator, on my base (root) environment. 6. 3. OpenCV 4 was released on November 20th, 2018. 5. As stated at the installation and usage of OpenCV at PyPI: If you installed multiple different packages in the same environment, uninstall them all with pip uninstall and reinstall only one package. - OpenCV: 3. Feb 19, 2025 · Installing cv2 on a Mac is relatively straightforward, whether you choose to use pip or conda. 14 - Python 3. Another case might be if you don’t have pip in your Path environment, then you can use the following commands: # using pip version python -m pip install opencv-python #using pip3 version python3 -m pip install opencv-python Feb 26, 2021 · It just happened to me and I solved it installing both opencv-python and opencv-python-headless with pip and reloading the Visual Studio Code window right after it. Once the package is installed, you should be able to run the code that imports cv2 without receiving the error. Then on line 5 you need to tell where the Tesseract engine is installed. I get Syntaxerror: invalid syntax Dec 5, 2024 · Installing OpenCV from Source: If the pre-built packages do not suit your needs, consider building OpenCV from source. 04 docker container on a Mac OS Sierra 10. Nov 16, 2017 · Finally, I did not solve the problem with which output even though I discuss it with really experienced people. But installing the library using pip is considered optimal by most developers for three reasons: Oct 31, 2024 · こんにちは、デジタルボーイです。備忘録がてら、macとLinux上で、pip innstallでインストールできなかった場合のケースと対処法について、まとめておきます。 記事を書いた人 デジタルボーイです。データサイエンス歴20年以上のおっ Jan 16, 2025 · If you have previous/other manually installed (= not installed via pip) version of OpenCV installed (e. That will give you the UI app of CMake; From the CMake app window, choose menu Tools –> How to Install For Command Line Use. My commands to install are: pip install opencv-python pip install fer These worked. Now, when I type import cv2 in my . However, I got the following error message: Nov 16, 2017 · I am trying to install OpenCV+Python on Mac. OpenCV can be installed using pip, a package manager for Python. 25 Dec 31, 2024 · 在Mac上安装OpenCV库（cv2）可以通过Homebrew和pip两种主要方法。首先，确保你的Mac上已经安装了Homebrew。使用命令brew install opencv可以快速安装OpenCV。安装完成后，使用pip install opencv-python命令来安装cv2模块，确保pip已经更新到最新版本以避免兼容性问题。 Jul 10, 2023 · To fix the error, you need to install the cv2 module in your Jupyter Notebook environment. Traceback (most recent call last): File "\[filename here\]", line 1, in \<module\> import cv2 ImportError: No module named cv2 Aug 13, 2017 · import cv2. Here are the steps to do so: Step 1: Install OpenCV. (see notes below - this works also for Windows 10, and likely Python 3. 找到文件分类器 MAC系统方法：在【访达】中搜索cv2，即可找到 import cv2 import os import matplotlib. exe the script will not work May 16, 2024 · In this method we will use Python pip commands to install OpenCV on Jupyter Notebook. But it looks like cv2 and cv cannot be used: Type "help", "copyright", "credits" or "license" for more information. Finally, I downloaded PyCharm and I did the following: 1) Installed pip (Python package manager) by opening a project at PyCharm and going to PyCharm Community Edition (top bar) -> Preferences -> Project -> Project interpreter -> Press '+' -> Search and find pip (with the search bar May 26, 2023 · The solution is to run the pip install command on the environment you want to use. I tried to reload a python script where I used opencv. 7 libraries will work in python 3 or greater). 3 is the minimum supported version): pip install --upgrade pip. Sep 19, 2018 · And now with a flip of the wrist, you can pip install OpenCV into cv: $ pip install opencv-contrib-python==4. For anyone else stumble upon this, I also had a ROS installation that will mess up the sys. yolo predict model=yolo11n. 1 - Operating System / Platform: macOS 10. Possible causes and solutions Sep 11, 2019 · If you need support for working videos: pip install opencv-contrib-python. Nov 29, 2024 · python中cv2的安装 mac，#如何在Mac上安装OpenCV（cv2）模块Python的OpenCV库是一个功能强大的计算机视觉和图像处理库，适用于各种开发领域。 如果你是一个初学者，以下这篇文章将逐步指导你如何在Mac上安装OpenCV，并为你提供详细的说明和代码示例。 Apr 7, 2024 · Hi all, I recently downloaded anaconda python in order to work on an opencv personal project. pip install opencv-python==, then install the version you Aug 23, 2017 · I am unable to open the web cam or capture a video in an Ubuntu 16. However, after "installing" the package and its dependencies, Anaconda Navigator showed a reminder popup to update to the next Anaconda Navigator version. Step 1: Install Jupyter Notebook If Juypter Notebook is not already present on your system, you can install it by writing the following command on your command prompt. . Workaround: I got a workaround that works well on Mac and Windows with PyCharm. Most distributions of Python come with pip preinstalled. They both fail with a similar error: %Run testFer. path before being able to read the correct opencv. Update on 2017-09-15: OpenCV 3. 72 Summary: Wrapper package for OpenCV python bindings. py Traceback (most recent call last): File “N:\\python\\testFer. 如何在Mac上安装cv2库？ 要在Mac上安装cv2库，您可以按照以下步骤进行操作： 首先，确保您已经安装了Python。您可以在终端中输入python --version来检查Python的版本。 其次，使用pip命令来安装OpenCV库。在终端中输入pip install opencv-python来安装cv2库。 Conclusion. 12. To install OpenCV, open your terminal or command prompt and type the following command: Jan 8, 2013 · Install the dmg package and launch it from Applications. 2 is available. 5) sudo apt-get install libhdf5-serial-dev libqtgui4 libqt4-test After wresting with this problem for quite some time and trying different methods that worked for other people (Reinstalls, repairs, patches, Windows Updates, setting pathways, renaming directories, importing within a function, using Dependency Walker to install dependencies and so much more) it turned out it was a Microsoft Visual C++ problem and the only thing that I saw on some obscure . Looking at the cmake output hints at the problem:-- Checking for module 'gstreamer-base-0. 4. Dec 17, 2018 · I have opencv installed on my mac which was working a few months ago but doesn't work anymore. Is anyone having issues with imshow with opencv. First, you need to install OpenCV. If you need to install specific version you can use == to check the available version first like. exe -m venv . Sep 11, 2021 · It’s a super powerful tool in your data science and machine learning toolbelt! But how to install it in your PyCharm environment? This article will show you how! Problem Formulation: Given a PyCharm project. Why Install OpenCV Using pip? There are a handful of ways to install the OpenCV library, some of which we will discuss in this post. This comprehensive guide covers various methods, including using pip to install OpenCV, creating a virtual environment, and ensuring compatibility between Python and pip versions. cv2 module in the root of Python's site-packages), remove it before installation to avoid conflicts. __version__. Do not use --argument prefixes or commas , between arguments. 8 Release fixs this issue. Arguments must be passed as arg=value pairs, split by an equals = sign and delimited by spaces. e. I think the misunderstanding could come from when you are actually importing the package you do: Apr 5, 2022 · I have installed OpenCV with the command pip install opencv-contrib-python and when I run the command pip list I see opencv-contrib-python has been installed and yet import cv2 does not work for me and it throws. Go to the Interpreter, press the "+" button, search for "opencv-python", click "Install Package. Sep 26, 2021 · To install the OpenCV library for computer vision on macOS, first install the required prerequisites, then the package itself. 3. Jan 18, 2016 · I have installed OpenCV 3. Follow the link How to install OpenCV on Windows and enable it for PyCharm without using the package manager. py”, line 1, in import cv2 Aug 17, 2018 · This tutorial provides step-by-step instructions to install OpenCV 4 (with Python bindings) on your macOS machine. One issue might be OpenCV is created for Python 2. 2) brew linkapps python. For in-depth tutorials, check out OpenCV Installation. Running the command prompt or terminal as administrator and executing above mentioned pip command can resolve these permission issues. Aug 29, 2024 · 1. 6 Host. Apr 16, 2023 · It's more the issue with my video not working in Cv2 – Pineapple. Double-check your code to ensure you’re importing cv2 correctly. I am trying to do this in six steps by running commands at terminal (after step2): Step1: Install Xcode. Complete the installation by choosing Install command Sep 26, 2021 · pip install scikit-build pip install cmake pip install opencv-python. Execute Pip Command as an Administrator: Sometimes, operating systems block certain actions performed by pip such as fetching packages from PyPI repository, writing them to disk etc. Jun 19, 2024 · I am trying to use the cv2 package on my jupyter notebook that is running in a unique conda environment (I named it MNIST). :D Feb 3, 2015 · Try installing OpenCV using brew, probably it will install python wrapper as well. 2. exe -m pip install --upgrade pip pip install spyder-kernels==3. A best practice when working on projects is to create a virtual environment. x. pip install opencv_python-3. Sep 29, 2013 · Note that in earlier versions (couldn't track down the change in the code, sorry, but the doc was updated here), you had to leave the scheme:// part out for it to work, i. cv2. 7, not 3 (not all python 2. 4) which python. Then pip install it. Steps to follow: Install Python 2. g. 1-cp36-cp36m-win_amd64. You are using pip version 7. In this article, we covered the steps to install opencv-python (cv2) on macOS or Linux and also in Visual Studio Code. isOpened() returns a False and ret, img Nov 20, 2017 · pip install opencv-python However, the package is only available on pypi for version 3, not for version 2. On Mac brew install tesseract # py -3. Apr 2, 2017 · At the time of writing I was using Windows 8. If you want to install opencv-python globally, then turn off the virtual environment by running the deactivate command before running the pip install command. x too). If you need a non-GUI OpenCV: pip install opencv-python-headless. Feb 3, 2023 · pip install opencv-python 3) Now simply import OpenCV in your python program in which you want to use image processing functions. venv\Scripts\activate python. 0‑cp36‑cp36m‑win32. Oct 3, 2016 · >> pip install packagename >> pip --install packagename >> pip --upgrade packagename >> pip upgrade packagename Where packagename I have tried various packages available from my installed Python modules Tried all the above options without any packagename a well. To install the needed packages, just run this command in the terminal: $ pip install opencv-python opencv-python-headless I ran conda install -c conda-forge opencv once and it did not work. My python code is: import cv2 from fer import FER Both imports do not work. 1) brew install python python3. VideoCapture(0) where vid. tuna. 1 in my Mac, cv2 is also installed through pip install cv2. Install folder will be /usr/bin/ by default, submit it by choosing Install command line links. 7. vid = cv2. May 26, 2023 · To resolve this error, you need to install the opencv-python library using the pip install command: Note that the package name is different than the module name. 8. 25 2019-11-21 Update: Readers have reported that some versions of OpenCV 4 as installed via pip do not work properly on the 打开Anaconda，选择Environments，打开需要安装环境的终端 输入以下代码 sudo pip install opencv-python-i https://pypi. Creating a Virtual Environment. 2) sudo apt-get update. pip install scikit-build pip install cmake pip install opencv-python. 1, 64-bit machine, Anaconda/ Python 2. You should consider upgrading via the 'pip install --upgrade pip' command. The configuration below is fine if you’re using windows, instead if you’re on Mac or Linux, you should refer to the official documentation to see how to set it up. Step 6: Check for Typos. By example, on my system, after opening a cmd window I typed the following. 1. The correct syntax is: import cv2. That will give you the UI app of CMake; From the CMake app window, choose menu Tools --> How to Install For Command Line Use. Step3: Install Python2 and Python3. venv . If you accidentally wrote something like import cv or import CV2 Python won’t recognize it. 10' -- No package 'gstreamer-app-0. edu. * pip install my_desired_package Start Spyder again, go to Tools --> Preferences --> Python interpreter 4 days ago · Warning. 74. pyplot as plt May 21, 2023 · python. py file, I get the following error: ModuleNotFoundError: No module named 'cv2' I’m a beginner, so I really don’t know what is happening. Apr 3, 2024 · # on linux operating system sudo pip3 install opencv-python # on windows pip install opencv-python --user. opencv-contrib-python. \. "sudo pip install numpy" on Linux/Mac or running the command prompt as administrator on Nov 30, 2024 · Pip Install Not Working; How to Fix the Pip Install Not Working Issue; Bottom Line; Pip Install Not Working. dmg package and launch it from Applications. pt imgsz=640 conf=0. 10' -- No package 'gstreamer-video-0. 1) sudo pip install opencv-contrib-python *After this I could not import cv2 in python until I installed the following. Nov 22, 2020 · Fixed it by using conda environment instead of pip, and using the following commands in conda: "pip install opencv-python", then "pip install opencv-python-headless" – Omar AlSuwaidi Commented Nov 27, 2020 at 19:43 Nov 7, 2023 · in your command line for Windows/Linux/Mac platforms. I installed opencv using pip install opencv-contrib-python, where it installed successfully. In short, pip doesn't work and I am stuck. 10' found -- Checking for module 'gstreamer-video-0. jflfou dzrdj pkhb mqh zpvdmq olbhw nfhjv qsequv qzgzjvm hal rudk jfch omsvn qszwns lndj