1.https://www.lfd.uci.edu/~gohlke/pythonlibs/ 下载对应版本的安装包(.whl)
2.切换到下载路径 pip install
3. cmd python 下 Import cv2不报错即安装成功;若报错:ModuleNotFoundError: No module named ‘numpy.core._multiarray_umath’ 错误,升级Numpy. conda list numpy查看版本,升级Numpy;
conda list numpy
pip install --upgrade numpy
- 若报错说没有权限
pip install --user --upgrade numpy
5.Pycharm里面测试
import cv2
import numpy as np
img = cv2.imread(r'C:\Users\zhang\Pictures\wallpapers\cs.jpg', cv2.IMREAD_COLOR)
cv2.imshow("image", img)
cv2.waitKey(0)
(1)若报错D:\Build\OpenCV\opencv-4.1.2\modules\highgui\src\window.cpp:384: error: (-215:Assertion failed) size.width>0 && size.height>0 in function ‘cv::imshow’,则是文件夹路径的问题’/’,’’
(2)若报错 356,则是路径中含有中文自字符
6.完结撒花~~
参考:
[1]:https://blog.youkuaiyun.com/jacke121/article/details/86747921
[2]:https://blog.youkuaiyun.com/weixin_41010198/article/details/86738635
[3]:https://blog.youkuaiyun.com/iracer/article/details/80498732
[4]:https://blog.youkuaiyun.com/qq_42617827/article/details/88124116
本文详细介绍了如何使用pip安装OpenCV,并针对在不同环境下可能遇到的如ModuleNotFoundError、路径错误等问题提供了解决方案。此外,还提供了测试代码帮助验证安装是否成功。
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