Import cv2 not working mac 0 - ipython 5. imread("image. 2. I fixed it by going to: PyCharm Menu Preferences Project (proj name) -> Project Interpreter (this time instead of CV2) Plus sign (to install packages) I ran conda install -c conda-forge opencv once and it did not work. 3. path before being able to read the correct opencv. Not needed for troubleshooting the initial setup. imshow('Aphrodite', img) # waiting using waitKey method key = cv2. 1 Operating System / Platform => macOS Sierra 10. imshow('Hello World', input) cv2. imshow('frame', frame) if cv2. 1, however, I changed it to python interpreter 3. 13 installed with Homebrew and OpenCV 3. 11::Anaconda 2. opencv4. imshow() works without picamera2 library. x on wards. isOpened(): … Hi all, I’m currently working on a Python application using OpenCV (cv2) on macOS (Apple Silicon M1). 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. If no errors occur, OpenCV is ready to be used. VideoCapture(0) while True: ret, frame = cap. Share. 5 alongside it Install OpenCV 3 and the Python bindings I installed pyenv and Nov 11, 2020 · import cv2 cap = cv2. 51 4 4 bronze badges. The import should work without errors. waitKey() Another essential step is to ensure that cv2. cpython returning an empty string then try to delete the build folder and compile opencv again. import cv2 import urllib import numpy Dec 23, 2024 · As a developer working with Python 3 and OpenCV on a Mac, you may encounter a frustrating issue where you are unable to close windows using the destroyWindow function. 1 (Monterey) Apple M1 Chip The way you installed OpenCV: package, official binary distribution, manual compilation, etc. I installed opencv using pip install opencv-contrib-python, where it installed successfully. Follow edited Jul 11, 2021 at 7:31. Aug 17, 2018 · Pro-tip: If you are installing OpenCV 3 and OpenCV 4 alongside each other, instead of renaming the file to cv2. py into the folders. 10. WINDOW_NORMAL) From the documentation: There is a special case where you can already create a window and load image to it later. We discussed the options for installing pip, how to use a virtual environment, and setting up your Python environment in VS Code. waitKey(0) # Display the image infinitely Apr 25, 2024 · OpenCV (Open Source Computer Vision Library) is a powerful library for computer vision and image processing tasks. I also tried download the opencv module via pip but, it didn't work. When I run Python interpreter and write import cv2 it does import it. mp4") print cap. jpg") cv2. My versions are: python - 2. 7 and Python 3 shell. read() This seems consistent with the documentation stating that index zero is the default device. When I run the program, the green light for the webcam comes on (as I'm on a Mac) and there aren't Jan 23, 2023 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. It does suggest wrappers such as opencv-cython, pyopencv etc. Documentation for opencv-python The aim of this repository is to provide means to package each new OpenCV release for the most used Python versions and platforms. 0 but not in OpenCV 2. The solution is very simple once you understand why Jupyter crashes. Aug 31, 2022 · open (windows) system environment variables add a new system variable --> name: PYTHONPATH value: normally (if you installed it via package manager) you will find it in:<your_project_path>\venv\Lib\site-packages\cv2 close system environment windows restart IDE if it is not working, go to menue FILE and then choose REPAIR IDE just follow the Nov 7, 2023 · in your command line for Windows/Linux/Mac platforms. namedWindow("output", cv2. Jun 24, 2019 · 文章浏览阅读2k次。Mac运行python脚本时报错：No module named cv2原因大概是版本不符或者安装时出现遗漏，想法是更新一下！首先使用命令：pip install cv2会报错找不到请求的cv2解决方法：使用命令pip install opencv-python_mac no module named 'cv2 Feb 17, 2020 · I installed cv2 with pip3 install opencv-contrib-python on terminal and it worked, but on the python IDLE whenever I try to import cv2 or run a vscode file with cv2 imported it says Traceback (most I am using python 3 and opencv 3 on mac high sierra Hi there! Please Reading video from a video file not working. I have 2 questions do I have to install a separate opencv for Spyder 3. You are using pip version 7. Where can I find cv2. I really don't want several hours to be wasted on this lol Sep 27, 2017 · System information (version) OpenCV => 3. The code is working on Python 2. The release highlights are as follows: May 2, 2025 · Vscode Import Autocomplete Not Working. jpg') cv2. addWeighted and random. pyd file is in C:\Python27\Lib\site-packages I have attached a screen shot which shows the modules in Python27. 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. I tried the invalidation of cache mentioned above, and it worked for a min until cache was warmed up. Again, keep in mind that two separate compiles were done in order to generate these bindings. In this article, we covered the steps to install opencv-python (cv2) on macOS or Linux and also in Visual Studio Code. namedWindow('displaymywindows', cv2. imshow doesn't really make sense in a client/server environment like Jupyter. import cv2 input = cv2. read() cv2. import cv2 It will work. Your email address will not be published. They both fail with a similar error: %Run testFer. VideoCapture(0) if not cap. When I run the code from command prompt it says ModuleNotFoundError: No module named 'cv2'. My commands to install are: pip install opencv-python pip install fer These worked. I would like to show two superposed images using the command cv2. 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. edit. just use ` for quotes. Jul 10, 2023 · If you're a data scientist or software engineer working with computer vision projects, you're probably familiar with the OpenCV library. You should consider upgrading via the 'pip install --upgrade pip' command. waitKey(0) is included after the cv2. so, you might consider naming it cv2. import numpy as np import cv2 cap = cv2. In that case, you can specify whether window is resizable or not. I reinstalled and followed Linda's tips, which didn't work. isOpened(): flags, frame = cap. mp4') result = cv2. It is able to open a video file though import cv2 cap = cv2 import numpy as np import cv2 import matplotlib cap = cv2. destroyAllWindows() then open specific directory and then open terminal . 7 and 3. I removed both cvtColor() as well as PIL Image as suggested by @ZdaR it again wrote empty video Hence I had to put it back and boom. Try Teams for free Explore Teams May 3, 2025 · The app captures video from the default webcam using: import cv2 cap = cv2. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. destroyAllWindows() This worked for me after I installed opencv-python, opencv-python Feb 23, 2023 · # Importing the necessary libraries import pyautogui import numpy import cv2 import time from os import system # Obtaining the screen height and width screenWidth, screenHeight = pyautogui. so bindings into our cv virtual environment: Jul 19, 2020 · I have the same issue as deTrident, but unfortunately reverting back to Jedi did not solve my problem. destroyAllWindows() Things I have tried (to no avail): using an absolute path instead; adding cv2. I've seen other solutions where you add the module into the site packages directory for python, did pip install and was notified that it installed correctly. I have installed the package through pip3 install opencv-python and it got installed at this location - C:/Users/ SOLVED: Import OpenCV could not be resolved from source Pylance on Mac | Python Visual Studio CodeEncountering import errors, such as "Import OpenCV could no I have installed OpenCV on the Occidentalis operating system (a variant of Raspbian) on a Raspberry Pi, using this script by jayrambhia. This appears to be Mac related. 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。 Apr 14, 2022 · I installed conda and vscode on my mac, then installed jupyter notebook, opencv, py-opencv etc. Oct 5, 2015 · Finally, import using : import cv2 This should work but in the case doesn't it might mean that you've installed anaconda with python in that case try: conda install -c menpo opencv Finally, import using : import cv2 Jan 11, 2019 · from pip list, import cv2 doesn't work. jpg', 0) print(img) cv2. pyd but not from python. answered Jul 10, 2021 at 5:35. 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. OpenCV was installed via conda within this environment. 1 Pillow - 4. – otterb. Also, there is lot of formatting options out here. These functions are useful for a wide range of applications, from simple image processing tasks like resizing and color conversion to complex computer vision tasks such I am unable to open the camera from open cv. import Tkinter as tk import cv2 # create global value (with some value) root = None def func(): # inform function to use global variable instead of local one global root # Jan 26, 2016 · Without action, this (or running pip install cv2-- not recommended!) will install the imposter cv2-1. then I tried PIL for getting rgb image and removed cvtColor(),but it produced an empty video. now you can able to use cv2 in you python scripts. Collaborate outside of code Code Search Hidden import "cv2. Aug 20, 2020 · Hello, I have done the following to install Open CV in Ubuntu 20. namedWindow(). destroyAllWindows() M1 Mac 安装opencv，记录一下，方便之后再用到。 两种方法，我都装上了，第一种的环境是py3. Maybe now I realise the point of virtualenvs i'm using cv2. jpg") # Read image imS = cv2. 如果你遇到了NameError: name 'cv2' is not defined这个错误，那么最可能的原因是你没有正确导入cv2。请检查你的代码，确保你已经使用了import cv2这行代码。 Feb 7, 2013 · Dear all, I have a MacBook Air Sierra 10. startWindowThread() after opening the window. x versions, i. waitKey(10000) # wait 10 seconds if key == 27 or key == 113: cv2. The following is the test environment setup. Python Sep 26, 2021 · python >> import cv2. 0 Operating System / Platform => Windows 10 Enterprise 64 Bit Compiler => using opencv-python Detailed description Setting exposure is not working with the python wrapper for opencv, I don't kno Nov 6, 2024 · Method 2: Include cv2. VideoCapture May 15, 2017 · Figure 4: Importing the cv2 library into a Python 2. "import cv2 as cv" will not fix the issue. 1 and it works fine, i do have SIP off but not sure that matters Sep 15, 2017 · cv. destroyAllWindows This function is deallocating some needed gui elements, I would guess. Same result. Here are some things that can May 28, 2015 · This is the default code given to save a video captured by camera. flip(frame,0) # write the flipped frame out. This function waits for a key event indefinitely and is crucial for the window to be displayed correctly. Aug 26, 2023 · Hello, I have PIP installed “fer” and “opencv-python” but I can’t import them. Nov 7, 2023 · At its core, “Import ‘cv2’ could not be resolved” suggests that your python environment doesn’t recognize or can’t find the cv2 module in its current workspace. use('TkAgg') cv2. read() if ret==True: frame = cv2. import cv2 import numpy as np from IPython. startWindowThread(); cv2. imshow() on a Mac from python. You can check if Python is installed by running python3 --version in the terminal. 4 and OpenCV-4. My python code is: import cv2 from fer import FER Both imports do not work. python3 -c "import cv2; print(cv2. Apr 3, 2024 · If the python3 -m venv venv does not work, then you can use the following alternative commands: What is CV2 in Python? cv2 is the module import name for opencv Feb 7, 2013 · I have reproduced the jupyter kernel crash problem. 68 Operation System / Platform: Macos BigSur 11. In this post, we’ll walk through the steps to install OpenCV in an Anaconda environment, making it easy to manage your packages and dependencies. destroyAllWindows() I am using IDLE on a Mac with Python 3. models import load_model . " After that, import cv2 should work – Sludge. But when I open python3, I can only import opencv and that opencv has no attribute version. macOS High Sierra -> 10. I had the same issue and now this works for me. WINDOW_NORMAL) # Create window with freedom of dimensions im = cv2. destroyAllWindows() else: cv2 Apr 2, 2019 · I'm trying to use opencv-python. The program works well on my windows system. if you include the library (even with no additional code related to it) - imshow() function stops generating a window and just hangs. __version__ '3. 0 OS: macOS Big Sur This simple code is running fine with no errors; however, no image is produced and nothing is displayed, and I'm forced to manually stop the Jan 16, 2025 · Changing the import name or behaviour would be also confusing to experienced users who are accustomed to the import cv2. 7. imread('python. Ensure that you have tesseract installed and in your PATH. 0-dev' >>> Oct 29, 2022 · import cv2 ModuleNotFoundError: No module named 'cv2' although it already installed but run in cmd only not working in any IDE like Vs or spyder or Jupyter i wanna to make IDE import OpenCv Feb 7, 2011 · I am trying to install opencv in python on my windows machine but I am unable to do so. imread('path_to_image. VideoCapture(0) res, frame = cap. Apr 22, 2025 · The "No module named 'cv2'" error is encountered in python when we are trying to import the OpenCV library. I just started trying again, but the same issues are being experienced. This is equivalent to just writing "import cv2" in terms of the library being accessed. Required fields are marked * Comment. cv2 is just to prove that the installed/imported module actually works. Goto C:\Python27\Lib\site-packages directory and paste the cv2. Aug 5, 2022 · First, I recommend you to get yourself familiar with Jupyter notebooks and how they work. Apr 5, 2018 · System information (version) OpenCV => 3. write May 16, 2024 · Step 4: Import OpenCV in your Notebook. It installed version 2. Running the command prompt or terminal as administrator and executing above mentioned pip command can resolve these permission issues. Manage code changes Discussions. py in Python? After installation go look for cv2. 66 works ok. COLOR_BGR2GRAY) matplotlib. __version__)" @endcode Dec 13, 2020 · I purchased a M1 Mac. Hope this helps for future readers. py", line 1, in <module> import cv2 ImportError: No module named cv2 import cv2 ModuleNotFoundError: No module named 'cv2' As I've said above, since I'm ignorant on this topic, I have no idea what that really means or how to fix it so any help would really be great. Here's how you can resolve it: Mar 28, 2017 · I have had a comparable issue on Ubuntu, using the pip install opencv-python process. 12. Then, the first problem you had it was because you were trying to run a cell that uses cv2 without running the import cv2 before. pyd I noticed that MF. source activate YOURPROFILE. VideoWriter_fourcc(*'mp4v'), 10. com Mar 4, 2025 · Learn how to fix the "No module named cv2" error in Python on a Mac. Goto C:\Python27\DLLs directory and paste the cv2. VideoWriter( 'screen_test. VideoCapture(0) on the very latest sonoma, same version of python3 with opencv 4. AKAZE_create() Sep 23, 2018 · I had the same problem, after comparing the missing dependencies from python. 4k次，点赞3次，收藏3次。尝试过的方法（没有搞定）：在Anaconda的Environments中搜索opencv，选中，点Apply。报错：opencv与python版本不兼容成功的方法：在命令行中输入： pip3 install opencv-python与环境中Python版本匹配的opencv package将被自动安装，并且安装在Anaconda的site-packages里。 Conclusion. (Newer version) import cv2 cap = cv2. read() gray = cv2. Dec 3, 2018 · OpenCV released OpenCV-3. The `cv2` module in Python provides a convenient interface to work with OpenCV's extensive set of functions. 8 Detailed description Using latest opencv-python from pip does not work on Big Sur. Apr 6, 2022 · I got import cv2 to work on pycharm but for some reason it does not work on my visual studio code despite doing the same thing I did with pycharm which was to pip install opencv-contrib-python on a virtual enviroment. See full list on bobbyhadz. It would import when writing python in terminal, but not in PyCharm. x installed on your Mac. Nov 22, 2020 · Environment: interpreter: Python 3. release() cv2. Finally, I noticed that my Anaconda environment didn't have cv2 installed, even with all I did. Run this script. May 10, 2017 · I think the right answer is open cv isn't supported in py-3. This error specifies that the Python interpreter cannot find the OpenCV module in the current environment. Open terminal - cd path/to/filename. In the following program, we read an image and display the image dimensions. 9 to 3. mainloop() to close program and all windows. imshow or cv. That is probably the simplest and the most hassle-free one in my mind. 5. im_show() because it also works only with monitor directly connected to computer which runs this code (and this computer has to run GUI like Windows on Windows , X11 on Linux) - and when you run it on server then it want to display on monitor directly connected to server - but server usually works without monitor (and without GUI) Aug 15, 2024 · conda install-c conda-forge pytesseract TESTING. py”, line 1, in import cv2 Apr 22, 2015 · No cv2 doesn't appear in installed packages. Also, I had created an environment called spyder-env and activated it. Goto PyCharm IDE and goto DefaultSettings>PythonInterpreter. Later, I installed openCV through miniconda, then anaconda but it didn't work. Jun 2, 2017 · I am running a code which I got from a website, the code runs completely fine on Ubuntu but the trackbars don't move on macOS : import cv2 import numpy as np def nothing(x): pass # Create a bl Sep 14, 2016 · Mac, Python 3. imshow("output", imS) # Show image cv2. I can import cv2 from python in terminal which uses 2. welcome to SO. 1. app, I had to click ok in a dialog to grant Terminal access to the camera. So calling this multiple times will produce some trouble. I imported with pip but it throws ModuleNotFound. The problem is that the image box is using the same Python process as the kernel. pyd file. png') cv2. py", line 4, in <module> import cv2 ModuleNotFoundError: No module named 'cv2' Code, import argparse import sys import cv2 import keras import numpy as np from PIL import Image, ImageDraw, ImageFont from keras. I'm having an issue with cv2. I created a virtual enviroment in vscode and the file is part of my project file and I selected the virtual enviroment to be my Jun 19, 2020 · Traceback (most recent call last): File "main. imshow("Window", img) cv2. resize(im, (960, 540)) # Resize image cv2. imshow() command. startWindowThread() work for notebook? I am curious. I had exactly this problem with OpenCV 4. 3 days ago · The following steps have been tested for macOS (Mavericks) but should work with other versions as well. The first compile generated the OpenCV 3 + Python 2. Apr 30, 2018 · However, the location of headers has not changed with new major versions and the name of the Python module import also has not changed. 6 Dec 14, 2020 · If mdfind cv2. On executing the code just the camera light turns on but no camera is shown. 0 compiled from sources, installed in my Conda environment and PyCharm 2020. 7 Python version: 3. DLL was missing from cv2. . I have python 2. 0 package from pypi. 16 - python 2. | You already use the imshow function from matplotlib (not numpy as you seem to May 26, 2023 · Then you run import cv2 in your code; (CTRL + Shift + P for Windows and ⌘ + Shift + P for Mac) then run the Python: Select Interpreter command. 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). cv2" not found! 13982 INFO: Loading Jun 12, 2024 · Did anyone find a solution to this? Same problem. imread('image. 8，第二种是py3. waitKey(1) & 0xFF == ord('q'): break cap. x and 4. Jan 18, 2016 · I have installed OpenCV 3. The cv2. When I run the command, a window opens in the background, and a python rocket icon appears on my dock, bouncing. so and then in the next sub-step sym-link appropriately from that file to cv2. 60)，这里就知道了opencv安装到了anaconda中，根据提示路径找到cv2文件夹，复制粘贴到pycharm的工具包文件夹下就可以了。 Jul 9, 2021 · Here is my code: import cv2 import numpy as np cap = cv2. I tried pip install cv2 and pip install open_cv and got the same problem - a warning message from dist. It is done with the function cv2. Whether you're a beginner or an experienced developer, knowing how to check the version of OpenCV you're using can be essential for compatibility and troubleshooting. imshow(), since it requires an X server which is not available. Solution used : I recompiled both ffmpeg and opencv 3. 6 Detailed description Wrote a script to read the image and show it and on any key press destroyAllWin I tried some solutions like‍ cv2. e. Jan 13, 2023 · System Information OpenCV python version 4. Go into Python shell by typing “python” in your terminal and run the following commands: >>> import cv2 >>> detector = cv2. If anyone has any ideas about wh import numpy as np import cv2 img = cv2. I have used pip install opencv-python Apr 7, 2024 · Hi all, I recently downloaded anaconda python in order to work on an opencv personal project. py. Rjraj Rjraj. display import clear_output, Image Nov 16, 2022 · The "Module Not Found" error, specifically "No Module Named Cv2," typically occurs when trying to import the OpenCV library (cv2) in Python code without it being installed in the current environment. Copy the same code and save with filename. 4. This comprehensive guide covers various methods, including using pip to install OpenCV, creating a virtual environment, and ensuring compatibility between Python and pip versions. Aug 26, 2020 · BTW: Belove take_photo() there is also information about cv2. Traceback (most recent call last): File "\[filename here\]", line 1, in \<module\> import cv2 ImportError: No module named cv2 Apr 11, 2021 · Traceback (most recent call last) in ----> 1 import cv2 ModuleNotFoundError: No module named 'cv2' i already installed it using the command : pip install opencv-python I'm on MacOS Catalina, please help me. imshow('img', gray) if cv2. However, the program is not running on my Mac. Here are the exact commands I used to validate that my Python virtual environment + OpenCV install are working correctly: $ workon cv $ python >>> import cv2 >>> cv2. path and I have to delete it from sys. 7 bindings while the second compile created the OpenCV 3 + Python 3 bindings. OpenCV -> 3. The core issue is with the cv2 library not being able to be found outside of the virtual environment. Feb 7, 2017 · I'm running on a mac and having an issue with trying to get Pillow working. py Traceback (most recent call last): File “N:\\python\\testFer. 6 and install it in C:\Users\Chirantan\Documents\WinPython May 18, 2021 · 文章浏览阅读2. waitKey(0) cv2. 2) The pip (package manager) can also be used to download and install OpenCV. Try Teams for free Explore Teams Aug 17, 2024 · Here a minimalistic code for best performance on all platforms: import cv2 img = cv2. The opencv-python packages only provide the cv2 import. You need to run cv. import cv2 video = cv2. This is happening on my mac. VideoCapture("input_video. That is the import for all v3. Is anyone having issues with imshow with opencv. This post will detail a variety of effective methods to troubleshoot and resolve the “No module named cv2” error, specifically tailored for users of OpenCV, particularly those working on a Raspberry Pi or similar systems. Improve this answer. OpenCV version : opencv Nov 27, 2016 · I'm not sure but cv may use tkinter to display windows so root. I beleive the underlying issue is I installed Windows 10 N (N for no windows media) thinking I wouldn't need the media player. Jul 12, 2022 · Installed opencv via pip but it didn't work. To placate pip, make a metadata file that describes the system's cv2 installation to pip: I'm trying to control the offline robot using input from the camera. mainloop() may keep windows open. py may look like (I've listed out both newer and older version codes here - do let us know which one works / not work for you!). x. Then I did various things, and ran this command again, now it worked. 8. 2 from sources on my station (following the install processes indicated on offical portals). 0. 11 - opencv 4. # this window will shut after 10 seconds, or earlier if you press esc or q def myApp(): # read the image img = cv2. mp4', cv2. I am trying to download OpenCV so that I can import cv2 to work on machine learning projects for object/image detection. Jun 28, 2018 · import cv2 ImportError: DLL load failed: %1 is not a valid Win32 application. There have been a lot of bug fixes and other changes in these versions. namedWindow('Butterfly') before the imshow() command; reading lots of posts with similar problems Jun 20, 2017 · The proposed import solution did not work for me. To run this project’s test suite, install and run tox. waitKey(0): break. destroywindow and destroyallwindows cannot close the windows created by the program. imshow): #We must import first line of code **#working module** from google. Nov 9, 2021 · I do think the function cv2. 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 14, 2024 · 只有在你正确导入了cv2之后，你才能使用OpenCV库中的函数和方法。 五、解决NameError: name ‘cv2’ is not defined. My python version is 3. imread(path2image) # is an array # showing the image cv2. imread("earth. cvtColor(frame, cv2. Joshua-Tews-MacBook-Pro:~ nathan$ pip install opencv-python Requirement already satisfied: opencv-python in /Libr Feb 19, 2025 · OpenCV (Open Source Computer Vision Library) is an open-source computer vision and machine learning software library. 0 on 20th November. Installation Select your preferences and run the install command. This problem can hinder your progress and disrupt your workflow, but fear not, as we will explore the possible causes and provide solutions to help you […] Dec 5, 2012 · You will not face any kind of problem. Add a Dec 5, 2024 · Many developers have faced the issue of being unable to import the cv2 module when attempting to use OpenCV. 1 &lt;32-bit&gt; Here is what I have tried till now - pip install cv2 on 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. Oct 11, 2016 · I had created my Anaconda environment and installed everything I needed, but when trying to import cv2, I always got the message "no module named cv2". Its exquisite blend of elements, from radiant hues to intricate textures, enchants all who encounter its timeless charm. jpg') #mentioning a path of an image cv2_imshow(img) Mar 12, 2020 · The path is fine. Aug 16, 2017 · cv2. py and complains about zlib being not found. 4, Python 2. 0 ， OK ，终于成功！ 最后总结，做为一个 opencv 新手，不能太依赖 pip3 这种自动安装，我一直认为它会自己找适合的版本下载安装。 Mar 22, 2019 · Sadly an all too familiar feeling The Problem. 2. colab. so as well. 13. And there is also a cv2 binding (I advise to use that instead of cv). I also tried pyopenvc and pip install opencv-python. 0, (screenWidth, screenHeight) ) # Setting the Feb 3, 2016 · Although I was expecting an automatic solution (fitting to the screen automatically), resizing solves the problem as well. import cv2 cv2. (based on comment on the question). So, I went to the opencv site and downloaded the relevant exe. destroyAllWindows() versions: python -> 3. startWindowThread() but it didn't work for me. 2 is available. py Apr 4, 2020 · 成功后 ，打开 python, >>> 后输入 import cv2 ，执行无任何提示，嗯，有希望， >>> 后再输入 print(cv2. No cv2 installed. (mac) when I check to see File "Face_Detector. cap. for example, you could say import cv2 instead of "import cv2". 6. I have also tried pip install -c anaconda opencv but am having the same issues. Mar 25, 2019 · I am also facing a same issue in google colab. I want to: Maintain my system version of Python as the default Install Python 3. Here is my code: import cv2 import numpy as np import matplotlib as plt img = cv2. 0, (640,480)) while(cap. We can use cv2_imshow() instead of (cv2. 0, however version 7. 7 in case to install opencv and py-opencv. isOpened() # True = read video successfully. imshow('image', img) cv2. VideoCapture(0) if video. I did pip install opencv-python and brew install opencv and brew install opencv as well. imshow() to cv2_imshow() img = cv. You may run a simple program to import cv2 library, and read an image. If the above steps are not working, you should add OpenCV to your Python PATH by writing the following code to your Jupyter NB: Apr 2, 2017 · This is what test. avi',fourcc, 20. OpenCV is a popular library used for image and video processing, and it's an essential tool for many computer vision applications. VideoCapture(0) # Define the codec and create VideoWriter object fourcc = cv2. isOpened()): ret, frame = cap. Now, I am running Mac OS X 10. 0 - jupyter notebook server 5. pip install tox tox Mar 15, 2024 · If you’re working with computer vision and image processing in Python, OpenCV is an essential library to have in your toolkit. imread('butterfly. ) Beware of the Leopard Dec 19, 2016 · Attempt to import your Python + OpenCV 3 bindings on macOS. 5 and it worked. I use: from PIL import Image or. Jul 28, 2019 · I am trying to import cv2 from the python modules in site packages. Leave a Reply Cancel reply. The program will still attempt to import cv2 under the alias of cv. When I try import cv2 in a Python Jul 31, 2022 · I'm not too sure what to do at this point. VideoWriter_fourcc(*'XVID') out = cv2. I found something saying I need to use waitkey afterwards but I can't get it to work. - macOS 10. uniform() in a while loop. Videocapture() works fine while using the camera，but while reading the local video, there is a WARNING: Couldn't read movie file Here is my test code: # -*- coding: utf-8 -*- import numpy as np Jan 29, 2025 · (The stuff after import. The module is installed. 1 in my Mac, cv2 is also installed through pip install cv2. Feb 3, 2023 · Method 1: Steps to import OpenCV on PyCharm (Using Terminal): 1) Go to the terminal option at the bottom of the IDE window. import Image both of which do not work. 7 by default, and cv2 version is 2. the current version , and probably will carry into v5. but these are to be installed from online sources (tried installing pyopencv from there which didn't work). 04 sudo apt update sudo apt install libopencv-dev python3-opencv I get following output on the CLI sudo apt-get install python3-opencv Reading package lists Aug 10, 2020 · CV2 not working even though its downloaded. even if cvtColor() seems like doing nothing, for some unknown Oct 9, 2015 · Let’s check if it’s working by using something that exists in OpenCV 3. python filename. Jan 5, 2020 · So, I looked around some more and found that apparently this is a bug in opencv for versions 3. __version__) 执行，提示 4. Commented Jan 19, Jul 11, 2017 · I want to begin exploring OpenCV in Python but I'm stuck at importing the package cv2. Dec 22, 2021 · Yeah, I was having the same issue and was using the python interpreter 3. imshow('Butterfly', img) cv2. One piece of information that I have found confusing is that the CV2 autocomplete work perfectly well under the python interactive within vs-code. – Aug 29, 2024 · 最后，您可以使用import cv2语句在Python脚本中导入cv2库，以开始使用它。 2. 0. Vscode Import Autocomplete Not Working This captivating tableau seamlessly bridges gaps between niches, offering a visual narrative that transcends specialized interests. Nov 22, 2020 · I'm following one of the openCV python tutorials on displaying a live video feed from your camera. 7 on my personal computers. 0 I ran: pip install Pillow pip install PIL pip install numpy I have uninstalled all and re-tried; but nothing seems to be working. 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 […] Dec 4, 2021 · 下载完opencv后，回到pycharm中发现import cv2处依旧飘红报错，再次安装显示：Requirement already satisfied: opencv-python in g:\anaconda\anaconda\lib\site-packages (4. VideoCapture(0) while cap. Apr 15, 2025 · "import cv2"がエラーになる場合、主な原因はOpenCVライブラリがインストールされていないか、正しくインストールされていないことです。 May 22, 2024 · I believe you are incorrect. Check the installation. Otherwise, you have done everything correctly. startWindowThread() cv2. 3. Feb 19, 2025 · Before installing cv2, make sure you have the following: - Python Installed: You should have Python 3. Feb 26, 2021 · I just uninstalled the older python version and installed a new one again. Jan 7, 2016 · Did this cv2. VideoWriter('output. But it looks like cv2 and cv cannot be used: Type "help", "copyright", "credits" or "license" for more information. 9. Our last sub-step is to sym-link our OpenCV cv2. 9。第一种方法复杂，第二种简单。 方法一 ，参考Mac M1 安装配置opencv详细教程按照这个教程操作，基本… Aug 15, 2018 · I need to install cv2 for a script that has been written for me. import cv2 cap = cv2. The second problem you are facing is because you cannot use cv2. 4 Jun 16, 2022 · Operating system macOS version 12. exe. As I said, the image displays properly using matplotlib. 6 pip - 9. For anyone else stumble upon this, I also had a ROS installation that will mess up the sys. size() print((screenWidth, screenHeight)) system('rm -rf screen_test. 4. patches import cv2_imshow import cv2 as cv #Replace cv2. exe and cv2. 在Mac上安装cv2库时遇到了问题怎么办？ 如果在安装cv2库时遇到问题，您可以尝试以下解决方法： 首先，确保您的Python版本与cv2库兼容。您可以尝试升级Python版本或使用与cv2库兼容的特定 Feb 2, 2023 · Import OpenCV in Jupyter Notebook: In your Jupyter Notebook, run import cv2 and see if it works. Oct 10, 2022 · Plan and track work Code Review. When I ran it from Terminal. False - fail to read video. Now, when I type import cv2 in my . However the window does not come to the foreground, and is not focusable (and the icon continues to bounce). 11 (El Capitan). Jun 30, 2018 · Go to the Interpreter, press the "+" button, search for "opencv-python", click "Install Package. If it's not installed, you can download it from the official Python website. You want something that will display the image as part of the notebook (on the client side), not to run a GUI window on the server side -- that might kinda "work" when the client and server are on the same machine, but that's about it. In order to debug and resolve this common problem with cv2 import, a step-by-step approach should be followed: Nov 22, 2020 · First, try whether you can create a window or not. 9, then I changed the 3. 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