Ubuntu给python安装opencv

桃扇骨 2023-05-21 08:46 3阅读 0赞

下载前最后给**pip进行换下载源操作**，具体可参考这篇文章.[Ubuntu/Windows给pip换源][Ubuntu_Windows_pip]

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*  先放一张操作成功的图来镇楼  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3NleHlsdW5h_size_16_color_FFFFFF_t_70]
 *  查看是否有opencv

> 打开python直接引用下  
> `import cv2`

cds@cds-virtual-machine:~$ python
    Python 3.5.2 (default, Oct  8 2019, 13:06:37) 
    [GCC 5.4.0 20160609] 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'
    >>>

*  安装opencv  
    通过命令行输入以下指令安装  
    `pip install opencv-python`

cds@cds-virtual-machine:~$ pip install opencv-python
    Collecting opencv-python
      Downloading https://mirrors.aliyun.com/pypi/packages/00/aa/5880b514dff3642161bda4af39aa2a544cb5949d9e194d1ef81e06fcc2f2/opencv_python-4.2.0.34-cp35-cp35m-manylinux1_x86_64.whl (28.2MB)
        100% |████████████████████████████████| 28.2MB 50kB/s 
    Collecting numpy>=1.11.1 (from opencv-python)
      Downloading https://mirrors.aliyun.com/pypi/packages/45/25/48e4ea892e93348d48a3a0d23ad94b176d6ab66084efcd881c78771d4abf/numpy-1.18.3-cp35-cp35m-manylinux1_x86_64.whl (20.0MB)
        100% |████████████████████████████████| 20.0MB 71kB/s 
    Installing collected packages: numpy, opencv-python
    Successfully installed numpy-1.18.2 opencv-python

*  查看安装好了以及安装版本

> 打开python，然后导入cv2，再接着打印版本号。

*  扩展包（可不安装）

`pip install opencv-contrib-python`

[Ubuntu_Windows_pip]: https://blog.csdn.net/sexyluna/article/details/105741808
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3NleHlsdW5h_size_16_color_FFFFFF_t_70]: /images/20230521/e688b488a05b4d3da1ee3cfa1c7c6963.png