<p>确保先安装了numpy和matplotlib,然后在命令行中键入以下内容</p>
<pre><code>pip install numpy
pip install matplotlib
</code></pre>
<p>接下来,我们将安装Open CV</p>
<ol>
<li>请访问此网站<a href="https://www.lfd.uci.edu/%7Egohlke/pythonlibs/#opencv" rel="nofollow noreferrer">https://www.lfd.uci.edu/~gohlke/pythonlibs/#opencv</a></li>
<li>下载文件<code>opencv_python-4.5.2-cp39-cp39-win_amd64.whl</code>。如果您使用的是不同版本的Python而不是3.9,请下载Python版本的文件。whl文件名的<code>cp39‑cp39</code>部分是wheel的python版本号。<code>win_amd64</code>部分将是操作系统类型,因此amd64将是64位的</李>
<li>打开命令行,导航到下载文件夹或下载文件的任何位置,例如,对我来说,它将是<code>cd D:\Downloads</code></李>
<li>下一个类型<code>pip install opencv_python-4.5.2-cp39-cp39-win_amd64.whl</code>
文件应正确安装,您将收到如下消息:</li>
</ol>
<pre><code>D:\Downloads>pip install opencv_python-4.5.2-cp39-cp39-win_amd64.whl
Processing d:\downloads\opencv_python-4.5.2-cp39-cp39-win_amd64.whl
Installing collected packages: opencv-python
Attempting uninstall: opencv-python
Found existing installation: opencv-python 4.4.0.46
Uninstalling opencv-python-4.4.0.46:
Successfully uninstalled opencv-python-4.4.0.46
Successfully installed opencv-python-4.5.2
D:\Downloads>
</code></pre>