How to uninstall opencv in ubuntu

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1. Use the shortcut key [Ctrl+Alt+T] on the ubuntu system desktop to open the terminal command line mode.

2. Enter the following command on the ubuntu terminal command line to enter the build directory where opencv is installed and uninstall it.

sudo make uninstall

cd (install opencv build directory path) #Use the cd command to enter the opencv build directory

sudo rm -r build

3. Finally, enter the following command to clear all opencv related items in /usr.

sudo rm -r /usr/local/include/opencv2 /usr/local/include/opencv /usr/include/opencv /usr/include/opencv2 /usr/local/share/opencv /usr/local/share/OpenCV /usr/share/opencv /usr/share/OpenCV /usr/local/bin/opencv* /usr/local/lib/libopencv*

Note: Some folders may not be found, so there is no need to clean them up.