opencv && contirb安装

下载依赖！！！

#!/bin/bash
sudo apt-get install build-essential
sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev 
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev liblapacke-dev
sudo apt-get install libxvidcore-dev libx264-dev
sudo apt-get install libatlas-base-dev gfortran 
sudo apt-get install ffmpeg

赋予权限

sudo chmod 777 ./download.sh、
./download.sh

下载源码

可以通过多种方式获取

https://github.com/opencv/opencv/releases
https://github.com/opencv/opencv_contrib/releases

解压源码

tar -zxvf opencv-4.5.4.tar.gz 
tar -zxvf opencv_contirb-4.5.4.tar.gz 

为了方便，可以将contirb移动到opencv文件夹内

sudo cp -r opencv_contrib-4.5.4 opencv-4.5.4

cmake

到opencv文件夹中

sudo mkdir build
cd bulid

新建编译脚本

#新建脚本，名字任意
vim cmake_build.sh

#写入命令内容,请替换 OPENCV_EXTRA_MODULES_PATH的真实路径
#!/bin/bash
#!/bin/bash
cmake \
  -D CMAKE_BUILD_TYPE=RELEASE \
  -D OPENCV_GENERATE_PKGCONFIG=ON  \
  -D OPENCV_EXTRA_MODULES_PATH=../opencv_contrib4.5.4/modules/ ..
#修改权限
sudo chmod 777 ./cmake_build.sh

#执行 
./cmake_build_sh

make编译安装

#重新回到opencv/build文件夹
cd xxx/xxx/opencv_4.5.4/build

#编译安装
sudo make -j8
sudo make install