Follow the steps to install OpenCV, verify the installation, and install opencv-contrib-python if needed. ipynb文件却提示我 "No module named 'cv2'"。通过在stackoverflow上的一番查找，得知在jupyter notebook上只会调… Sep 23, 2021 · I already installed opencv-python-4. cv This doesn't seem to be my issue, because I can't find cv2. #20230 The code works fine but PyCharm does not recognize cv2 as a module. ModuleNotFoundError: No module named 'cv2'. 5k次。no module named cv2 、numpy 、xxx超全解决方案_no module named 'cv2 Apr 3, 2018 · Hello Michael. py", line 1, in <module> import cv2 ModuleNotFoundError: No module named 'cv2' But if I type the exact same code in the Terminal it works: Aug 17, 2023 · Abstract of Error The following command fails on jupyter notebook. 8k次。文章介绍了在JupyterNotebook中遇到cv2模块找不到错误时，如何通过在Anaconda环境下安装OpenCV（pyopencv）并重启Notebook来解决问题的步骤。 Nov 21, 2023 · 刚学习 opencv 配置环境，都安装好，cmd中import cv2也正常，但是在jupyter notebook出现了这个报错，No Module named "cv2"，网上找了好多处理办法都没成功；查看路径 C:\ProgramData\anaconda3\Lib\site- packages，没有CV2文件夹，应该是安装到别的路径了，直接全局搜索这个CV2安装文件夹，找到后复制到anaconda这个路径下 Feb 24, 2021 · 文章浏览阅读1. If you are on Ubuntu or Debian, install libgtk2. What I have tried: On Anaconda I wrote py -m pip install opencv-python and also conda install opencv as suggested in this question. Dec 22, 2021 · Traceback (most recent call last): File "d:\Programme\Visual Studio\New Projects\Python\opencv_test. Jul 23, 2025 · To avoid confusion specify the Python version explicitly when installing: python3 -m pip install opencv-python Step 6: Check for Typos Double-check your code to ensure you’re importing cv2 correctly. I also saw this (I do have a pyd file in that directory) and this (nothing works) and even this (installing nb_conda and jupyter don't do anything). I tried to reinstall python and reinstall OpenCV but it's not working too. pyd文件复制到Anaconda的site-packages文件夹，然后重启jupyter。 Jul 9, 2021 · H ello, I’m working on the first week optional lab. I use Anaconda python 3. x or Cocoa support. data import * 5 ModuleNotFoundError: No module named 'cv2. 0. Feb 26, 2021 · cv2. Then I tried to install opencv library using the following command. 14. 安装 OpenCV 的 Python 包OpenCV 的 Python 包名称为 Oct 31, 2019 · こんにちは！今日はanacondaでopencvをインストールしたけど ModuleNotFoundError: No module named 'cv2' のエラーが出る対処法を備忘録。結論から言います。パスが通ってなかった。（こんなんばっかり！だけどありきたり） →解決法環境 python3. Exact error: ModuleNotFoundError: No module named 'cv2'more Jun 22, 2018 · トップ OpenCV に関する質問 ModuleNotFoundError: No module named 'cv2'を解決したいです Q&A 1 回答 3494 閲覧 jupyter中import cv2出现No module named cv2解决办法，程序员大本营，技术文章内容聚合第一站。 May 7, 2021 · I am importing libraries that I installed using pip install to Jupyter Notebook using the anaconda distribution, which is working. The ModuleNotFoundError: No module named 'cv2' arises because the installable package providing the cv2 module is actually named opencv-python. 1 panda 0. 8. --- How to Resolve ImportError: No module named cv2 in Python If you're working with Python and encounter the "ImportError: No module named cv2" error, don’t worry. I kept getting : ImportError: No module named 'cv2' import cv2 import pandas as pd import numpy as np import matplotlib from matplotlib Jan 11, 2019 · If you are certain that you have installed CV2, but you run into "no module named cv2" when running Python, that means CV2 was installed to a different Python version from the one you are running. Jan 1, 2026 · I have previously installed python 3. 88 I just tried running a python code with cv2 but still got no module named cv2. Thank for replying. So first check this module is available or not. ImportError: No module named cv2 I am frustrated because I'm working on this simple issue for hours now. Jun 7, 2021 · When I activated the conda environment and ran jupyter lab, I got the following error while importing cv2 no module named cv2 Fix: Run python -m jupyterlab instead of Mar 6, 2025 · 文章浏览阅读2. 7环境中安装并配置cv2库时遇到难题，尽管通过pip和conda安装opencv-python并在命令行验证已成功，但在Jupyter中仍无法正常运行。最终发现Jupyter默认使用Python3内核，更改内核设置后问题得以解决。使用Anaconda3的jupyter进行import cv2（解决ModuleNotFoundError: NO module named 'cv2'问题），程序员大本营，技术文章内容聚合第一站。 Dec 14, 2023 · ### 解决 Jupyter No tebook 中 ` No module named ' cv2 '` 错误在 Jupyter No tebook 中遇到 ` ModuleNotFoundError: No module named ' cv2 '` 的原因通常是 OpenCV 库未正确安装或不在 Jupyter 使用的 Python 环境中。 Apr 27, 2021 · 文章浏览阅读3. 解决 ModuleNotFoundError: No module named 'cv2' 的错误通常涉及到检查并确保OpenCV库正确安装在你的Python环境中。通过使用pip或conda安装OpenCV、检查Python环境、使用虚拟环境、检查依赖关系、使用IDE的包管理功能、检查操作系统、使用预编译的轮子，以及参与社区，你 Oct 31, 2019 · こんにちは！今日はanacondaでopencvをインストールしたけど ModuleNotFoundError: No module named 'cv2' のエラーが出る対処法を備忘録。結論から言います。パスが通ってなかった。（こんなんばっかり！だけどありきたり） →解決法環境 python3. Thank you for reading! Dec 14, 2023 · 当在Jupyter Notebook中遇到'ImportError: No module named cv2'的错误时，通常是由于Notebook的Python环境与已安装的OpenCV不在同一环境中。解决方法包括使用`!pip install opencv-python`在当前Notebook环境中安装OpenCV，或者确保所有库都在同一Anaconda环境中。 Oct 17, 2020 · どうもジュンザブロウです。平日Java 週末Python の日々です。今回はPythonで、いよいよ機械学習を始めようとした際に OpenCV : 画像処理ライブラリをインストールしようとした際にエラーで悩んだので、またメモ書きを。やった作業 ①JupyterLabで、cv2をインポートするもファイルが見つかりませ Feb 2, 2020 · 文章浏览阅读6. 설치가 완료되었다. 18. 4 anaconda jupyter 状況 openCVを仮想環境上でインストール openCV Feb 27, 2019 · 概要 Jupyter Notebook (Python3. 컴퓨터의 Anaconda Prompt를 실행하고 을 입력했다. 1. I created the environment with conda and installed all the requirements, as explained on the github repository. Mar 26, 2019 · I am a beginner at computers. In the first line of the code (from the youtube video) it asked me Hi, I am trying to run a python script on a Jupyter Notebook that requires using OpenCV. anything located on my computer, which is most likely part of the problem, but I don't know why step 1 wouldn't have installed it. Dec 6, 2019 · はじめに普段は Sublime Text でコーディングして、コマンドプロンプトから直接 python のスクリプトを実行しているのですが、たまたま jupyter notebook で教材的なものを作ってくれといわれてですね。OpenCV の講座だったので、とりあえず cv2를 import하려고 하는데 오류가 발생했다. 4. Feb 15, 2017 · I'm having an interesting error where I could import cv2 in Ipython on Terminal but cannnot import the library on Jupyter notebook. Jul 23, 2025 · Next step is to install Python OpenCV module inside the Jupyter notebook. Jan 17, 2024 · 在虚拟环境中安装了opencv-python后，在Jupyter Notebook中仍然报错'name 'cv2' is not defined'。这可能是由于环境配置问题或者Jupyter Notebook的配置问题。本文将提供一些可能的解决方案。 Jul 10, 2023 · In this blog, discover how to resolve the 'ModuleNotFoundError' error in Jupyter Notebook, a common issue for data scientists and software engineers, often caused by Jan 3, 2023 · 我很沮丧，因为我现在已经在这个简单的问题上工作了几个小时。它适用于 Pycharm 但不适用于 Jupiter notebook。我已经将 cv2 安装到 Python2. How can I fix this? When I import cv2 at cmd it seems to be working (cmd screenshot) but when I used python at the visual studio 2019 it says "no module named cv2" visual studio screenshot. Currently I am using Jupyter Notebook in the browser version. Apr 8, 2024 · The Python ModuleNotFoundError: No module named 'cv2' occurs when we forget to install the `opencv-python` module before importing it or install it. 2 days ago · 在使用Python调用OpenCV时，常出现“ModuleNotFoundError: No module named 'cv2'”错误，主要原因是OpenCV库未正确安装或环境配置不当。尽管已通过pip安装opencv-python，但在虚拟环境、Jupyter Notebook或多Python版本共存系统中，可能安装到了错误的解释器路径下，导致模块无法 6 days ago · 点击'项目生成'按钮，等待项目生成完整后预览效果最近在做一个计算机视觉项目时，遇到了经典的 ModuleNotFoundError: No module named 'cv2' 报错。这个问题看似简单，但根据不同的开发环境，解决方法其实有很多门道。今天就来分享我在实战中总结的5种解决方案，希望能帮到同样被这个问题困扰的朋友 Apr 11, 2021 · Now, install cv2 again and inside the Jupyter Notebook, activate the stm32h7 kernel by clicking on Kernel --> Change Kernel --> stm32h7. 6k次，点赞9次，收藏10次。问题jupyter notebook 中报错 ModuleNotFoundError: No module named cv2但是在终端中使用import cv2是正常的；解决办法问题是由于jupyter notebook kernel问题导致的，可以使用jupyter kernelspec list 查看所以的内核，如果只有一个base的话，就容易出现这种问题，解决办法是新建一个 May 27, 2018 · I am working on ssd - tensor flow project. So is it like command prompt, anaconda jupyter notebook and python shell independent of each other? ImportError: No module named cv2. Sep 25, 2015 · I am trying to import OpenCV into my ipynb using Jupyter. pip install opencv-python and it said, Requirement al Aug 3, 2023 · It is best to keep current with practices in modern Jupyter and this is a good gauge for under assessing if the information you are getting is up-to-date. 4 anaconda上のエラー None: UnsatisfiableError: The following specifications were found to be in conflict: matplotlib==2. 3 with conda version 4. To do this, write the following pip command in the code block of the notebook and run it. No idea what went wrong here No module named 'cv2' error troubleshooting Procedure to install python libraries using command prompt. 4 anaconda jupyter 状況 openCVを仮想環境上でインストール openCV Sep 24, 2025 · This command line gave me this output opencv-python 4. My earlier environment was able to do so. Any idea? May 12, 2022 · 羽惜要吃了你！的博客但是呢，我们通常需要引入cv2这个库，于是我们import cv2，但是呢就发现有这样的问题，就是：ModuleNotFoundError:No Module named "cv2" 但是呢我们明明已经安装好了cv2，为什么就是用不了呢？我们试遍了网上和 Sep 19, 2025 · 遇到 “No module named cv2” 错误时，通常是因为 Python 环境中未正确安装 OpenCV（Open Source Computer Vision Library）。以下是详细的解决方法：1. But when i write : import cv2 : in my jupyter notebook, I have the classic message : ModuleNotFoundError: No module named ‘cv2’ Is it possible to use OpenCv or is it forbidden ? If it is possible, how can we configure it ? Thank for your help Learn how to use the OpenCV2 (cv2) function in your computer vision projects. The correct syntax is: import cv2 If you accidentally wrote something like import cv or import CV2 Python won’t recognize it. It underlines it with a red line, so it doesn't display its functions in the IntelliSense menu. cv2' I know that there is already a thread on this (found here) but I tried everything in that thread and nothing worked. 7)でOpenCVをインポートしたらエラーが発生した際の解決メモ環境 Windows7 (32bit) Jupyter Notebook5. 方法一：在cmd中安装opencv May 26, 2023 · In summary, the ModuleNotFoundError: No module named 'cv2' occurs when the opencv-python library is not installed in your Python environment. 5k次。no module named cv2 、numpy 、xxx超全解决方案_no module named 'cv2 Jan 11, 2019 · If you are certain that you have installed CV2, but you run into "no module named cv2" when running Python, that means CV2 was installed to a different Python version from the one you are running. 7 的站点包中，将 Jupyter 的内核配置为 python2，浏览了文档，但我仍 ImportError: No module named cv2 Asked 10 years, 4 months ago Modified 7 years, 6 months ago Viewed 54k times Apr 16, 2025 · 安装完成之后可以使用jupyter notebook，但import cv2库失败，显示 ModuleNotFoundError: No module named 'cv2' 本来以为这是环境变量配置出现问题，一番折腾依然没有解决问题。后在jupyter中运行命令pip install opencv- python，问题解决。其他类似问题估计可以参照此方法。 Jan 2, 2026 · On the other hand, the same error No Module Named cv2 can be produced in any of the IDE like Jupyter, Pycharm, Spyder, or with any package bundle like Anaconda. I am able to import it in Jupyter notebook as well as in terminal too. Apr 18, 2020 · I´m trying to import open cv using Jupyter Notebook, from Anaconda 3 but when I run the command import cv2 i get this error ImportError: No module named cv2. Thank you. I checked the kernel but I'm using the same kernel (Anaconda pyth Sep 13, 2023 · 文章浏览阅读2. append添加路径或通过设置PYTHONPATH环境变量实现一劳永逸的解决。 May 12, 2022 · 羽惜要吃了你！的博客但是呢，我们通常需要引入cv2这个库，于是我们import cv2，但是呢就发现有这样的问题，就是：ModuleNotFoundError:No Module named "cv2" 但是呢我们明明已经安装好了cv2，为什么就是用不了呢？我们试遍了网上和 Sep 4, 2019 · 今天遇到一个奇怪的问题，当我在终端安装好opencv且可以import成功后，打开一个. 7's site packages, configured Jupyter's kernel to python2, browsed the documentation but I still don't get what I am missing ? Jul 10, 2023 · Learn how to install the cv2 module for image and video processing in Jupyter Notebook using pip. When I run the code from command prompt it says ModuleNotFoundError: No module named 'cv2'. 6 in windows 10. 6 Python 3. 2 opencv==2. __versio Nov 25, 2019 · I can't access import cv2 anymore. ipynb文件却提示我 "No module named 'cv2'"。通过在stackoverflow上的一番查找，得知在jupyter notebook上只会调… Jul 8, 2020 · 4 from . path. 1 tensorflow-gpu 1. . 0 I created a new env but cant seem to import cv2 over on Jupyter Notebook. The cv2. I have already installed OpenCV using this command: pip install opencv-python But when I try to import cv2 using this: impor Dec 5, 2022 · We have completely discussed about ModuleNotFoundError: No Module Named ‘cv2’ and how to solve this issue. 7, anaconda3 and jupyter notebook. 56 in my Anaconda Prompt(Anaconda3) but when import cv2 or import OpenCV in my JupyterNotebook get this errors: ModuleNotFoundError: No module named 'cv2' Jul 2, 2021 · I am getting this modulenotfounderror: no module named 'cv2'when I tried to import cv2 module in jupyter notebook. The module is installed. 7. 9k次，点赞3次，收藏8次。本文介绍了解决在Anaconda环境下使用Jupyter时遇到的OpenCV导入错误问题。通常，这可能是由于使用pip安装的OpenCV包没有正确安装在Anaconda的Python环境中。文章提供了检查是否正确安装的方法，并给出了通过在Anaconda环境下使用pip安装特定whl文件来解决问题的步骤。 Jun 7, 2022 · 文章浏览阅读1. 7环境中安装并配置cv2库时遇到难题，尽管通过pip和conda安装opencv-python并在命令行验证已成功，但在Jupyter中仍无法正常运行。最终发现Jupyter默认使用Python3内核，更改内核设置后问题得以解决。解决 ModuleNotFoundError: No module named 'cv2' 的错误通常涉及到检查并确保OpenCV库正确安装在你的Python环境中。通过使用pip或conda安装OpenCV、检查Python环境、使用虚拟环境、检查依赖关系、使用IDE的包管理功能、检查操作系统、使用预编译的轮子，以及参与社区，你 Jan 18, 2019 · I am new to Jupyter Notebook and I was following a youtube tutorial. Nov 19, 2025 · 该博客介绍了在win10 64位系统中，使用Anaconda3安装Python3. import cv2 cv2. 因此，我尝试将cv2导入到我的jupyter笔记本中。但它说ModuleNotFoundError回溯(最近一次调用)->1个导入cv2ModuleNotFoundError:没有名为“cv2”的模块我已经使用以下命令安装了它: pip install opencv-python I‘s on MacOS Catalina，请帮助我。 May 29, 2023 · 環境 windows11 jupyter notebook python3 起こったこと import cv2 でエラー（ライブラリが存在しない的な）。ライブラリをインストールしようとして !pip install opencv と打ってShift+Enterで実 Dec 20, 2022 · ModuleNotFoundError: No module named 'cv2' Warning It seems you're trying to use a module that doesn't come with our installer. When I run Python interpreter and write import cv2 it does import it. xxx. 3. What does pip list show? I mean, I am able to import cv2 on command prompt, but not on python shell and neither on jupyter notebook. How can I fix this? Please help. 0 行ったこと久しぶりにJupyter Notebookで実験しようと以下のコードを書いて実行したら、エラーが発生した。 Dec 14, 2023 · ### 解决 Jupyter No tebook 中 ` No module named ' cv2 '` 错误在 Jupyter No tebook 中遇到 ` ModuleNotFoundError: No module named ' cv2 '` 的原因通常是 OpenCV 库未正确安装或不在 Jupyter 使用的 Python 环境中。 Apr 3, 2024 · ModuleNotFoundError No module named cv2 error occurs especially when you tried to import the Python OpenCV module without installation or the import of the module was Sep 4, 2019 · 今天遇到一个奇怪的问题，当我在终端安装好opencv且可以import成功后，打开一个. I've already installed cv2 into Python2. 5. But, when I try to import cv2 or cvlib I have the following error: ModuleNotFoundError: No module named ‘cv2’ I ’m pretty sure that the requirements are satisfied, indeed if I run the following cell on Jupyter Lab: !pip Mar 20, 2025 · 作者在Python2. it works on Pycharm but not on Jupiter notebook. Rebuild the library with Windows, GTK+ 2. Jupyter Notebook에서도 cv2의 import가 정상적으로 된다. I was wondering that where exactly did I install OpenCV then. For which I have to use cv2. __version__ The error message is as follows. 0-dev and pkg-config, then re-run cmake or configure script in function 'cvShowImage' This was resolved by installing opencv-contrib-python. To resolve this error, you need to run the pip install opencv-python command. 使用Anaconda3的jupyter进行import cv2（解决ModuleNotFoundError: NO module named 'cv2'问题），程序员大本营，技术文章内容聚合第一站。 May 12, 2020 · Jupyter Notebookでのimport cv2でエラーが出る事に関してご教授頂きたいです。コマンドプロンプトやanacondaでpython、IPythonを起動した場合は、importでのエラーはありません。お答え、アドバイスを頂けると嬉しいです。よろしくお願い致します。 Mar 20, 2025 · 作者在Python2. Mar 6, 2010 · numpy 1. 30 (from the old environment's pip list), the problem was still there. 12. 5k次。本文介绍了在anaconda环境下，jupyter notebook无法import cv2的问题及其解决方法。问题源于jupyter未将虚拟环境路径添加到系统路径。解决方案包括手动使用sys. 7k次。在Jupyter Notebook环境下安装cv2模块遇到困难，尝试多种网上方法无效，包括从官网下载opencv并补充缺失组件。问题导致Jupyter Notebook闪退，重新安装后，通过参考链接中的教程解决了问题。 Nov 16, 2022 · Regarding modulenotfounderror no module named cv2 This error may occur if you didn't install opencv module in your system. The modulenotfounderror: no module named ‘cv2’ happened when the opencv-python isn’t installed before being imported or is installed in the wrong environment. Check this FAQ in our docs to learn how to do this. Apr 18, 2020 · 我正在尝试使用 Jupyter Notebook 从 Anaconda 3 导入打开的 cv，但是当我运行命令时 import cv2 出现此错误 ImportError: No module named cv2。奇怪的是，当我在 Spyder（也来自 Anaconda 3）上运行相同的命令时没有任何问题。我需要专门使用 Jupyter 笔记本我应该怎么做才能完成这项工作？. error: (-2:Unspecified error) The function is not implemented. Additionally it is best you learn about environments in relation to Jupyter and how Anaconda can help you manage that well. 3和jupyter，本地安装OpenCV后，运行jupyter导入cv2失败的问题及解决方法。解决办法是将OpenCV安装目录下对应Python版本的cv2. Dec 31, 2019 · jupyter notebook上のエラー ImportError: No module named 'cv2' を解決したい。環境 mac anaconda jupyter notebook python 3. I'm using Windows, and I'm trying to install package cv2 for python3. Next, I am trying to import the same libraries in the anaconda com Dec 14, 2023 · 文章浏览阅读1. 3 right away after I installed Anaconda, I use Jupyter Notebook then type import cv2 it says Sep 1, 2020 · Before someone says that this is a repeated question and I should just install it, hear my case: I am running a jupyter notebook from a conda environment in which opencv is already installed I have Apr 18, 2023 · And so, the build and the deployment were fine. import cv2ModuleNotFoundError Sep 25, 2015 · I am trying to import OpenCV into my ipynb using Jupyter. 2. OpenCV, or Open Source Computer Vision Library, is a popular and versatile library used for a wide range of computer vision tasks, including image and video processing, object detection, and Sep 14, 2020 · The functions (which import cv2) work fine when running from terminal. When i tried to pip install the opencv-python==4. Now, try to import cv2 again. 6w次，点赞40次，收藏143次。本文介绍了在anaconda环境下通过直接下载和anacondaprompt安装opencv来解决cv2包导入问题的两种方法，特别提到速度不稳定和换源操作。 May 4, 2022 · 本文档详细介绍了如何解决在Jupyter Notebook中导入cv2模块时出现'No module named 'cv2''错误的步骤。首先确认cv2已正确安装并通过CMD验证，接着检查Jupyter Notebook的kernel，确保只有一个python3。 Sep 30, 2020 · 安装完成之后可以使用jupyter notebook，但import cv2库失败，显示 ModuleNotFoundError: No module named 'cv2' 本来以为这是环境变量配置出现问题，一番折腾依然没有解决问题。后在jupyter中运行命令pip install opencv-python，问题解决。其他类似问题估计可以参照此方法。 Oct 7, 2024 · The “No module named ‘cv2’” error is typically encountered when you try to import the OpenCV library in your Python script or Jupyter notebook. 8 Use "conda info " to see the dependencies for each package. I now want to use those functions to collect some data in a jupyter notebook, so I added the venv kernel to jupyter, but when I try to import cv2 it says No module named 'cv2' The venv is located in projects\francine\venv so everything looks right. I did a pip3 install opencv-python and it reports successful: But when I do the import cv2 from python3, it's not found and I get When I run Python interpreter and write import cv2 it does import it. Mar 29, 2020 · The problem: When I command import cv2 on Jupyter notebook I get a ModuleNotFoundError: "No module named 'cv2'". To fix this error: Aug 9, 2024 · If `cv2` was installed in your Python environment but the Jupyter notebook was using a different kernel where `cv2` wasn’t installed, the notebook wouldn’t be able to find the module. When I ran first cell on Notebook 1, I got the following error: ModuleNotFoundError: No module named 'cv2' But when I enter python cli within the anaconda env, import cv2 works just fine. On running the following command print cv2. pyd file is in C:\Python27\Lib\site-packages I have attached a screen shot which shows the modules in Python27 I have used pip install opencv-python. Please help! Mar 6, 2025 · 文章浏览阅读2. Any idea? Aug 10, 2020 · I just Installed the latest Anaconda 3. I kept getting : ImportError: No module named 'cv2' import cv2 import pandas as pd import numpy as np import matplotlib from matplotlib Hi, I am trying to run a python script on a Jupyter Notebook that requires using OpenCV. The strange thing is that when i run the same comand on Spyder (From Anaconda 3 too) dont have any problem.

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No Module Named Cv2 Jupyter. Follow the steps to install OpenCV, verify the installation, and