OpenCV 주피터 노트북에서 No module named'CV2' 에러

 

윈도우에서 파이선을 실행하여 들어가면 모두 잘 실행되는데 쥬피터 노트북에서 에러가 날 때 실행하면 된다.

 

아래 이미지의 Anaconda Prompt를 열고 아래 명령을 순차적으로 실행한다. 실행 과정은 아래 코드 표시 참고하세요.

 

conda update anaconda-navigator

 

conda update navigator-updater

 

pip install opencv-python 

 

 

 

 

 

Microsoft Windows [Version 10.0.26100.3476]
(c) Microsoft Corporation. All rights reserved.

(base) C:\Users\HYU>
(base) C:\Users\HYU>
(base) C:\Users\HYU>conda update anaconda-navigator
Collecting package metadata (current_repodata.json): done
Solving environment: done


==> WARNING: A newer version of conda exists. <==
  current version: 22.9.0
  latest version: 25.3.1

Please update conda by running

    $ conda update -n base -c defaults conda



## Package Plan ##

  environment location: C:\ProgramData\Anaconda3

  added / updated specs:
    - anaconda-navigator


The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    conda-pack-0.7.1           |   py39haa95532_0          73 KB
    pyjwt-2.10.1               |   py39haa95532_0          77 KB
    ------------------------------------------------------------
                                           Total:         150 KB

The following packages will be UPDATED:

  conda-pack         pkgs/main/noarch::conda-pack-0.6.0-py~ --> pkgs/main/win-64::conda-pack-0.7.1-py39haa95532_0 None
  pyjwt                                2.4.0-py39haa95532_0 --> 2.10.1-py39haa95532_0 None


Proceed ([y]/n)? y


Downloading and Extracting Packages
pyjwt-2.10.1         | 77 KB     | ############################################################################ | 100%
conda-pack-0.7.1     | 73 KB     | ############################################################################ | 100%
Preparing transaction: done
Verifying transaction: done
Executing transaction: done
Retrieving notices: ...working... done

(base) C:\Users\HYU>conda update navigator-updater
Collecting package metadata (current_repodata.json): done
Solving environment: done


==> WARNING: A newer version of conda exists. <==
  current version: 22.9.0
  latest version: 25.3.1

Please update conda by running

    $ conda update -n base -c defaults conda



## Package Plan ##

  environment location: C:\ProgramData\Anaconda3

  added / updated specs:
    - navigator-updater


The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    navigator-updater-0.5.1    |   py39haa95532_0         2.3 MB
    ------------------------------------------------------------
                                           Total:         2.3 MB

The following packages will be UPDATED:

  navigator-updater                    0.3.0-py39haa95532_0 --> 0.5.1-py39haa95532_0 None


Proceed ([y]/n)? y


Downloading and Extracting Packages
navigator-updater-0. | 2.3 MB    | ############################################################################ | 100%
Preparing transaction: done
Verifying transaction: done
Executing transaction: done
Retrieving notices: ...working... done

(base) C:\Users\HYU>pip install opencv-python
Collecting opencv-python
  Downloading opencv_python-4.11.0.86-cp37-abi3-win_amd64.whl (39.5 MB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 39.5/39.5 MB 10.5 MB/s eta 0:00:00
Requirement already satisfied: numpy>=1.19.3 in c:\programdata\anaconda3\lib\site-packages (from opencv-python) (1.21.5)
Installing collected packages: opencv-python
Successfully installed opencv-python-4.11.0.86

(base) C:\Users\HYU>