Ubuntu卸载opencv2.*,重新安装opencv3.*版本
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一、 卸载opencv2.4.9: Going to the "build" folder directory of opencv from terminal, and execute the following:
1. $ sudo make uninstall2. $ cd ..3. $ sudo rm -r build
4. $ 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*这一步可能有error下面执行如下操作:5. sudo apt-get –purge remove opencv-doc opencv-data python-opencv二、 安装opencv
1. 安装依赖项(opencv网页打开太慢,自己搜吧)opencv网站 docs about opencv
sudo apt-get install build-essentialsudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-devsudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev
2. 下载opencv对应版本,如opencv3.2.3
cd ~/opencv-3.2.0-rc1mkdir releasecd releasecmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..makesudo make install3. 安装完成后,写入opencv路径:sudo sh -c 'echo "usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'
4. 更新电脑配准sudo ldconfigopencv官方安装教程:http://docs.opencv.org/2.4/doc/tutorials/introduction/table_of_content_introduction/table_of_content_introduction.html
opencv install in Linux :http://docs.opencv.org/2.4/doc/tutorials/introduction/linux_install/linux_install.html#linux-installation
PS:
Ubuntu下关于安装opencv3.x时一直downloading protobuf-cpp-3.1的问题
1.将protobuf-cpp-3.1.0.tar.gz下载下来,下载地址:
http://download.csdn.net/detail/specialshoot/9753560
2.按照下载页面上的提示操作即可,我把方法直接写在提示上了,千万不要自己编译安装protobuf这个tar.gz文件,编译时间很长,然后并没有什么卵用,按照提示做,一会儿就好了!
附录:ubuntu中安装多个版本OpenCV的方法:
http://blog.csdn.net/haizimin/article/details/53731226
make 时error:
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