ubuntu 系统 opencv3.1.0 安装

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转自:http://www.cnblogs.com/simplelovecs/p/5156458.html

opencv编译安装

编译环境安装:

sudo apt-get install build-essential

必需包安装:

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


可选包安装:

sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev


opencv下载:

  稳定版

wget https://github.com/Itseez/opencv/archive/3.1.0.zip


  github源代码

git clone git://github.com/Itseez/opencv.git


创建编译的临时目录:

cd ~/opencv
mkdir build
cd build

  注意: 这里假设opencv解压开的或者从github获取的源代码目录在用户主目录下。

生成cmake编译配置:

cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..

编译:

make -j4 # runs 4 jobs in parallel

安装opencv:

sudo make install

运行测试:

git clone https://github.com/Itseez/opencv_extra.git
OPENCV_TEST_DATA_PATH=~/opencv_extra
~/opencv/build/bin/opencv_test_core

一个例子:

首先创建一个目录 test,并进入目录:

mkdir test
cd test


其次,创建文件 DisplayImage.cpp 如下:

#include <stdio.h>
#include <opencv2/opencv.hpp>
usingnamespacecv;
int main(int argc,char** argv )
{
    if( argc != 2 )
    {
        printf("usage: DisplayImage.out <Image_Path>\n");
        return-1;
    }
    Mat image;
    image = imread( argv[1],1 );
    if( !image.data )
    {
        printf("No image data \n");
        return-1;
    }
    namedWindow("Display Image",WINDOW_AUTOSIZE );
    imshow("Display Image",image);
    waitKey(0);
    return0;
}


接着,创建cmake配置文件 CMakeLists.txt,如下:

cmake_minimum_required(VERSION 2.8)
project( DisplayImage )
find_package( OpenCV required )
include_directories( ${OpenCV_INCLUDE_DIRS} )
add_executable( DisplayImage DisplayImage.cpp )
target_link_libraries( DisplayImage ${OpenCV_LIBS} )


最后运行:

./DisplayImage psu.jpg
#随便一张图片都行

参考:

http://docs.opencv.org/3.1.0/d7/d9f/tutorial_linux_install.html

http://docs.opencv.org/3.1.0/db/df5/tutorial_linux_gcc_cmake.html

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