ubuntu安装opencv4
时间: 2023-10-20 12:30:59 浏览: 58
你可以按照以下步骤在 Ubuntu 上安装 OpenCV 4:
1. 更新系统软件包:
```
sudo apt update
sudo apt upgrade
```
2. 安装必要的依赖项:
```
sudo apt install build-essential cmake git pkg-config libgtk-3-dev \
libavcodec-dev libavformat-dev libswscale-dev libv4l-dev \
libxvidcore-dev libx264-dev libjpeg-dev libpng-dev libtiff-dev \
gfortran openexr libatlas-base-dev python3-dev python3-numpy \
libtbb2 libtbb-dev libdc1394-22-dev
```
3. 克隆 OpenCV 的源码库:
```
git clone https://github.com/opencv/opencv.git
cd opencv
git checkout tags/4.5.2
```
4. 克隆 OpenCV 的额外模块源码库:
```
git clone https://github.com/opencv/opencv_contrib.git
cd opencv_contrib
git checkout tags/4.5.2
```
5. 创建构建目录并切换到该目录:
```
cd ../opencv
mkdir build
cd build
```
6. 使用 CMake 配置编译选项:
```
cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
-D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules \
-D ENABLE_NEON=ON \
-D ENABLE_VFPV3=ON \
-D BUILD_TESTS=OFF \
-D INSTALL_PYTHON_EXAMPLES=OFF \
-D OPENCV_ENABLE_NONFREE=ON \
-D BUILD_EXAMPLES=OFF ..
```
7. 编译和安装 OpenCV:
```
make -j$(nproc)
sudo make install
```
8. 完成安装后,通过以下命令验证 OpenCV 是否正确安装:
```
pkg-config --modversion opencv4
```
这样,你就成功在 Ubuntu 上安装了 OpenCV 4。希望对你有所帮助!