OpenCV Build Configuration Options
| Name | Version |
|---|---|
| opencv | 4.5.0 |
| opencv_contrib | 4.5.0 |
Build with extra modules
opencv_contrib 是 opencv 的拓展模块，其中包含了如 DNN 模块等拓展模块
- Download opencv/opencv_contrib
Cmake 选项为 -DOPENCV_EXTRA_MODULES_PATH={path}/opencv_contrib/modules
Generate pkg-config info
启用 PKGCONFIG 选项将生成 opencv4.pc 文件，便于使用 pkg-config
Cmake 选项为 -DOPENCV_GENERATE_PKGCONFIG=ON
Parallel processing
一些OpenCV算法可以使用多线程来加速处理
- Linux 默认后端为pthreads库
Cmake 选项为 -DWITH_PTHREADS_PF=ON
GUI backends (highgui module)
默认开启 GTK 支持，可以选择开启 QT 支持更高级的GUI操作
GTK3支持
sudo apt-get install libgtk-3-dev
Cmake 选项为 -DWITH_QT=ON
备注
OpenCV compiled with Qt support enables advanced highgui interface, see Qt New Functions for details.
OpenGL
Cmake 选项为 -DWITH_OPENGL=ON
Deep learning neural networks inference backends and options (dnn module)
protobuf 为默认开启
Cmake 选项为 -DWITH_PROTOBUF=ON、-DBUILD_PROTOBUF=ON
TBB
- 安装依赖
sudo apt-get install libtbb2 libtbb-dev
Cmake 选项为 -DWITH_TBB=ON
整理一份常用的 CMake 配置
- 依赖安装
sudo apt-get install build-essential gcc g++
sudo apt-get install cmake git pkg-config
GUI相关的依赖
sudo apt-get install libgtk-3-dev
sudo apt-get install qtbase5-dev
Camera(v4l) & Media相关的依赖
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev
Image相关的依赖，各种图片格式
sudo apt-get install libpng-dev libjpeg-dev libopenexr-dev libtiff-dev libwebp-dev
libjasper-dev
sudo add-apt-repository "deb http://security.ubuntu.com/ubuntu xenial-security main"
sudo apt update
sudo apt install libjasper-dev
TBB
sudo apt-get install libtbb2 libtbb-dev