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OpenCV 安裝成功但導入錯誤:沒有名為“cv2”的模塊

[英]OpenCV installed successfully BUT ImportError: No module named 'cv2'

因此,我已在Ubuntu 14.04上從源代碼成功安裝了OpenCV 3.2.0 ,但出現此錯誤:

(cv2) mona@pascal:~/computer_vision/opencv-3.2.0/build$  /usr/local/bin/opencv_version
3.2.0
(cv2) mona@pascal:~/computer_vision/opencv-3.2.0/build$ python 
Python 3.4.3 (default, Nov 17 2016, 01:08:31) 
[GCC 4.8.4] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import cv2
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named 'cv2'
>>> import cv
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named 'cv'

在我可能錯過的sudo make install步驟之后我應該做什么?

不幸的是,這里也沒有 cv2:

mona@pascal:~/computer_vision/opencv-3.2.0/build$ ls /usr/local/lib/python3.4/dist-packages/
clonevirtualenv.py          numpy                        protobuf-3.1.0.post1.dist-info        stevedore                              virtualenvwrapper
django                      numpy-1.12.0.egg-info        protobuf-3.1.0.post1-py2.7-nspkg.pth  stevedore-1.20.0.dist-info             virtualenvwrapper-4.7.2-py3.4.egg-info
Django-1.10.5.dist-info     olefile                      __pycache__                           tensorflow                             virtualenvwrapper-4.7.2-py3.4-nspkg.pth
easy_install.py             olefile-0.44-py3.4.egg-info  PyYAML-3.12-py3.4.egg-info            tensorflow_gpu-0.12.1.dist-info        wheel
external                    OleFileIO_PL.py              scipy                                 theano                                 wheel-0.29.0.dist-info
google                      pbr                          scipy-0.18.1-py3.4.egg-info           Theano-0.8.2-py3.4.egg-info            yaml
image                       pbr-1.10.0.dist-info         setuptools                            virtualenv-15.1.0.dist-info
image-1.5.5-py3.4.egg-info  PIL                          setuptools-33.1.1.dist-info           virtualenv_clone-0.2.6-py3.4.egg-info
keras                       Pillow-4.0.0-py3.4.egg-info  six-1.10.0.dist-info                  virtualenv.py
Keras-1.2.0-py3.4.egg-info  pkg_resources                six.py                                virtualenv_support

按照本指南在 Raspberry Pi 3 上安裝 openCV 時,我遇到了同樣的問題: http : //www.pyimagesearch.com/2016/04/18/install-guide-raspberry-pi-3-raspbian-jessie-opencv -3/

問題是 cv2.so 文件安裝在“/usr/local/lib/python2.7/dist-packages/”而不是“/usr/local/lib/python2.7/site-packages/”。

我的解決方案只是使用以下命令復制文件:“sudo cp /usr/local/lib/python2.7/dist-packages/cv2.so /usr/local/lib/python2.7/site-packages/ cv2.so"

希望這可以幫助。

按照 Slashy 的建議,將 cv2.so 文件從dist-packages 移動site-packages 它對我有用

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