全網最全的Windows下Anaconda2 / Anaconda3里正確下載安裝OpenCV(離線方式和在線方式)(圖文詳解)


 

 

 

 

 

  不多說,直接上干貨!

 

 

 

  說明:

    Anaconda2-5.0.0-Windows-x86_64.exe安裝下來,默認的Python2.7

    Anaconda3-4.2.0-Windows-x86_64.exe安裝下來,默認的Python3.5

    Anaconda3-5.0.0-Windows-x86_64.exe安裝下來,默認的Python3.6

 

 

 

     參考

全網最全最詳細的Windows下安裝Anaconda2 / Anaconda3(圖文詳解)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1、  以下是在Windows下Anaconda2里正確下載安裝OpenCV(離線方式)

  下載地址 

  因為python裝的是Anaconda2版本,所以對應着選擇,就安裝

  

 

 

https://www.lfd.uci.edu/~gohlke/pythonlibs/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PS C:\Anaconda2\Lib\site-packages> pip install opencv_python-2.4.13.2-cp27-cp27m-win_amd64.whl
Processing c:\anaconda2\lib\site-packages\opencv_python-2.4.13.2-cp27-cp27m-win_amd64.whl
Installing collected packages: opencv-python
Successfully installed opencv-python-2.4.13.2
PS C:\Anaconda2\Lib\site-packages>

 

 

 

 

 

  測試一下,輸python進入python,輸入import cv2回車,不報錯就說明安裝配置成功了 

PS C:\Anaconda2\Lib\site-packages> python
Python 2.7.13 |Anaconda, Inc.| (default, Sep 19 2017, 08:25:59) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>> import cv2
>>>

     對於這種方式,我嘗試了,是可以行得通的。

 

 

 

 

 

 

 

 

 2、 以下是在Windows下Anaconda3里正確下載安裝OpenCV(離線方式)

  下載地址 

  因為python裝的是Anaconda3版本,所以對應着選擇,就安裝

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PS C:\Anaconda3\Lib\site-packages> pip install opencv_python-3.3.1-cp36-cp36m-win_amd64.whl
opencv_python-3.3.1-cp36-cp36m-win_amd64.whl is not a supported wheel on this platform. PS C:\Anaconda3\Lib\site-packages>

 

  

 

 

 

 

 

 

 

 

    如果還出現這個情況,則換個版本試試。這個很簡單,嘗試這個版本

 

 

 

 

 

PS C:\Anaconda3\Lib\site-packages> pip install opencv_python-3.3.0-cp36-cp36m-win_amd64.whl
Processing c:\anaconda3\lib\site-packages\opencv_python-3.3.0-cp36-cp36m-win_amd64.whl
Installing collected packages: opencv-python
Successfully installed opencv-python-3.3.0
PS C:\Anaconda3\Lib\site-packages>

     成功!這樣的安裝方式是沒問題的。

 

  import cv2成功。

   

 

 

 

 

 

 

 

 

 

   3、以下是在Windows下Anaconda3里的envs里正確下載安裝OpenCV(離線方式)

 

 

 

 

 

 

PS C:\Anaconda3\envs\python35\Lib\site-packages> pip install opencv_python-3.3.0-cp36-cp36m-win_amd64.whl
Requirement already satisfied: opencv-python==3.3.0 from file:///C:/Anaconda3/envs/python35/Lib/site-packages/opencv_python-3.3.0-cp36-cp36m-win_amd64.whl in c:\anaconda3\lib\site-packages
PS C:\Anaconda3\envs\python35\Lib\site-packages>

    一樣的,因為這個envs環境是通過如下創建得到的,所以,是寄生在Anaconda3里。

 

 

 

    這種方式,也是成功的。

 

 

 

    如果大家中間有遇到如下的問題,則對應解決。

C:\Users\lenovo>python
Python 3.6.2 |Anaconda custom (64-bit)| (default, Sep 19 2017, 08:03:39) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>> import cv2
RuntimeError: module compiled against API version 0xb but this version of numpy is 0xa
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: numpy.core.multiarray failed to import
>>>
>>> import numpy
>>> exit()

C:\Users\lenovo>
C:\Users\lenovo>pip install numpy --upgrade
Exception:
Traceback (most recent call last):
  File "C:\Anaconda3\lib\site-packages\pip\basecommand.py", line 215, in main
    status = self.run(options, args)
  File "C:\Anaconda3\lib\site-packages\pip\commands\install.py", line 335, in run
    wb.build(autobuilding=True)
  File "C:\Anaconda3\lib\site-packages\pip\wheel.py", line 749, in build
    self.requirement_set.prepare_files(self.finder)
  File "C:\Anaconda3\lib\site-packages\pip\req\req_set.py", line 380, in prepare_files
    ignore_dependencies=self.ignore_dependencies))
  File "C:\Anaconda3\lib\site-packages\pip\req\req_set.py", line 487, in _prepare_file
    req_to_install, finder)
  File "C:\Anaconda3\lib\site-packages\pip\req\req_set.py", line 428, in _check_skip_installed
    req_to_install, upgrade_allowed)
  File "C:\Anaconda3\lib\site-packages\pip\index.py", line 465, in find_requirement
    all_candidates = self.find_all_candidates(req.name)
  File "C:\Anaconda3\lib\site-packages\pip\index.py", line 423, in find_all_candidates
    for page in self._get_pages(url_locations, project_name):
  File "C:\Anaconda3\lib\site-packages\pip\index.py", line 568, in _get_pages
    page = self._get_page(location)
  File "C:\Anaconda3\lib\site-packages\pip\index.py", line 683, in _get_page
    return HTMLPage.get_page(link, session=self.session)
  File "C:\Anaconda3\lib\site-packages\pip\index.py", line 811, in get_page
    inst = cls(resp.content, resp.url, resp.headers)
  File "C:\Anaconda3\lib\site-packages\pip\index.py", line 731, in __init__
    namespaceHTMLElements=False,
TypeError: parse() got an unexpected keyword argument 'transport_encoding'

C:\Users\lenovo>

   如果運行下來,還是沒得到解決,則

 

    再嘗試下,

  問題出現的原因是numpy的版本較高,不能與opencv2兼容 
  解決辦法: 
      pip install -U numpy 
  即可將numpy恢復到合適的版本(這里為1.9.2) 
  再 import cv2 就不會出現上面的問題了。

 

    成功!

 

 

 

 

 

 

    有時候,你可能得卸載Anaconda3里已經安裝好了的opencv,再來安裝。(為什么呢?是因為你可能沒看仔細,下錯版本了)

 

 

 

    成功!

 

 

 

 

 

 

    同樣,對於如果你是Anaconda3-4.2.0-Windows-x86_64.exe安裝下來,默認的Python3.5,則如下

 

 

   成功!

 

 

 

 

 

 

  4、以下是在Windows下Anaconda3里正確下載安裝OpenCV(在線方式)(注意這里有坑,一定要按照我的來)

(C:\Anaconda3) C:\Users\lenovo>pip install opencv-python
Collecting opencv-python
  Cache entry deserialization failed, entry ignored
  Downloading opencv_python-3.3.0.10-cp35-cp35m-win_amd64.whl (39.7MB)
    100% |████████████████████████████████| 39.7MB 25kB/s
Requirement already satisfied (use --upgrade to upgrade): numpy>=1.11.1 in c:\anaconda3\lib\site-packages (from opencv-python)
Installing collected packages: opencv-python
Successfully installed opencv-python-3.3.0.10
You are using pip version 8.1.2, however version 9.0.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

(C:\Anaconda3) C:\Users\lenovo>

 

 

 

 

   驗證下,出現如下的錯誤

(C:\Anaconda3) C:\Users\lenovo>pip install opencv-python
Collecting opencv-python
  Cache entry deserialization failed, entry ignored
  Downloading opencv_python-3.3.0.10-cp35-cp35m-win_amd64.whl (39.7MB)
    100% |████████████████████████████████| 39.7MB 25kB/s
Requirement already satisfied (use --upgrade to upgrade): numpy>=1.11.1 in c:\anaconda3\lib\site-packages (from opencv-python)
Installing collected packages: opencv-python
Successfully installed opencv-python-3.3.0.10
You are using pip version 8.1.2, however version 9.0.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

(C:\Anaconda3) C:\Users\lenovo>
(C:\Anaconda3) C:\Users\lenovo>python
Python 3.5.2 |Anaconda 4.2.0 (64-bit)| (default, Jul  5 2016, 11:41:13) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>> import cv3
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named 'cv3'
>>> import cv2
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Anaconda3\lib\site-packages\cv2\__init__.py", line 9, in <module>
    from .cv2 import *
ImportError: DLL load failed: 找不到指定的模塊。
>>>

 

 

 

 

     嘗試解決

>>> import cv2
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Anaconda3\lib\site-packages\cv2\__init__.py", line 9, in <module>
    from .cv2 import *
ImportError: DLL load failed: 找不到指定的模塊。
>>> pip install -U numpy
  File "<stdin>", line 1
    pip install -U numpy
              ^
SyntaxError: invalid syntax
>>> exit()

(C:\Anaconda3) C:\Users\lenovo>pip install -U numpy
Cache entry deserialization failed, entry ignored
Collecting numpy
  Downloading numpy-1.13.3-cp35-none-win_amd64.whl (13.1MB)
    100% |████████████████████████████████| 13.1MB 74kB/s
Installing collected packages: numpy
  Found existing installation: numpy 1.11.1
    Uninstalling numpy-1.11.1:
      Successfully uninstalled numpy-1.11.1
Successfully installed numpy-1.13.3
You are using pip version 8.1.2, however version 9.0.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

(C:\Anaconda3) C:\Users\lenovo>
(C:\Anaconda3) C:\Users\lenovo>

     可以看到,如果你是直接這么來安裝,是錯誤的。為什么呢?按照我的來,先卸載吧。

         需要源文件安裝,通過,pip一般都是失敗的(經過驗證,需要處理下)
 

    於是,我把它給卸載了,帶大家來重新做一遍。

 
 

 

 解決辦法:

  https://github.com/skvark/opencv-python/issues/36

 

 

     什么意思,很簡單。

    (1)下載安裝 Visual C++ Redistributable for Visual Studio 2015  不難,別嫌麻煩。

      (2) 把下載的python3.dll放到你所安裝Anaconda3的目錄下即可。

 

     我的是這樣的。

 

 

 

     然后,再嘗試pip  install  opencv-python執行完后,再import  cv2就可以成功了

    成功!

 

 

 

 

 

 

 

 

 

 

  5、也可以直接在Pycharm里搜索並安裝Opencv

   這個不多贅述

 

 

 

 

 

 

 

 

 

 

 

總結

    很多人寫的對於OpenCV都是冰山一角,其實沒有大家想的那么復雜,只是沒有多嘗試罷了。

    無論是Python2還是Python3系列,都可以安裝,且離線和在線安裝成功。

    提醒的是,注意對應自己的版本去安裝。

 

 

 

 

 

 

 

 

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