0、安装前准备:
(1)安装编译工具
sudo apt-get install build-essential -y
(2)安装依赖包
sudo apt-get install libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev -y
(3)安装可选包
sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev -y
sudo apt-get install libgtk2.0-dev -y
sudo apt-get install pkg-config -y
1、从GitHub下载opencv3.2.0并解压
wget https://github.com/Itseez/opencv/archive/3.2.0.zip
unzip 3.2.0.zip
2、进入OpenCV的目录下,编译安装OpenCV 3.2.0 源码。
cd opencv-3.2.0/
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..
make
sudo make install
3、配置OpenCV环境变量,将opencv的库加入到路径,从而让系统可以找到。
sudo /bin/bash -c 'echo "/usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'
sudo ldconfig
4、使配置生效
sudo gedit /etc/bash.bashrc
末尾加入PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig export PKG_CONFIG_PATH
保存退出
sudo source /etc/bash.bashrc
5、测试实例
扫描二维码关注公众号,回复:
4100973 查看本文章
//文件名test_lena.cpp
#include <stdio.h>
#include <opencv2/opencv.hpp>
using namespace cv;
int main( )
{
Mat image;
//按照自己的目录
image = imread("/home/ross/opencv-3.2.0/samples/data/lena.jpg", 1 );
if ( !image.data )
{
printf("No image data \n");
return -1;
}
namedWindow("Display Image", WINDOW_AUTOSIZE );
imshow("Display Image", image);
waitKey(0);
return 0;
}
(1)编译
g++ test_lena.cpp -o lena.o `pkg-config --cflags --libs opencv`
(2)运行
./lena.o
(3)效果如图