linux安装OpenCV

以下是在Linux环境下安装OpenCV的步骤：

1.更新系统软件包

sudo apt-get update
sudo apt-get upgrade

2.安装OpenCV依赖项

sudo apt-get install build-essential cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev

3.下载OpenCV源代码

cd ~
git clone https://github.com/opencv/opencv.git

4.编译和安装OpenCV

cd opencv
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..
make -j$(nproc)
sudo make install

5.测试OpenCV是否安装成功

ldconfig -v | grep opencv

如果输出中包含“libopencv_***.so”，则表示OpenCV已经成功安装。