#1.源码下载地址http://opencv.org/downloads.html
cd ~/opencv4.2.0
mkdir release
cd release
#创建安装目录
sudo mkdir /usr/local/opencv4.2.0
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local/opencv4.2.0 …
#2.进入release目录执行如下命令
make -j12
sudo make install
#3.添加库路径及更新(上面的步骤均已经完成,以下步骤需要确认)
sudo /bin/bash -c ‘echo “/usr/local/.opencv4.2.0/lib” > /etc/ld.so.conf.d/opencv.conf’
sudo ldconfig
#4.在release/bin目录下生成.jar文件
release/bin/*.jar
#5.在IntellijIdea中使用Opencv
#建立java项目在Project Structure->Libraries中导入依赖包opencv-4.2.0.jar(在~/release/bin下)