我无法使用 pip 在 windows 7 上安装 python 模块 cv2

Question

我无法使用命令"pip install cv2"安装 Python 模块 cv2

操作系统：Windows 7 64bit

错误：

Defaulting to user installation because normal site-packages is not writeable
ERROR: Could not find a version that satisfies the requirement cv2 <from versions: none >
WARNING: You are using pip version 20.2; however, version 20.2.1 is available.
You should consider upgrading 

Answer 1

安装OpenCv而不是cv2 ：

pip install opencv-python

将工作

OpenCv教程