Xubuntu15.04安装opencv3.1并测试

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1. 编译环境安装:

sudoapt-get installbuild-essential

2. 必需包安装:

sudoapt-get installcmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev

3. 可选包安装:

sudoapt-get installpython-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev
4. 下载linux版的opencv3.1,并解压

5. 进入解压后目录

cd~/opencv

6. 新建一个build文件夹
mkdirbuild

7. 进入build
cdbuild

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

编译:(时间有点长,慢慢等待)

make -j4


安装:

sudomake install

测试opencv:
1 新建一个文件夹opencv-lena
mkdir ~/opencv-lenacd ~/opencv-lena2 新建一个.cpp文档 gedit DisplayImage.cpp内容如下:
#include <stdio.h>#include <opencv2/opencv.hpp>using namespace cv;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);    return 0;}

3 创建CMake编译文件(位于文件夹opencv-lena下)

gedit CMakeLists.txt
内容如下:

cmake_minimum_required(VERSION 2.8)project( DisplayImage )find_package( OpenCV REQUIRED )add_executable( DisplayImage DisplayImage.cpp )target_link_libraries( DisplayImage ${OpenCV_LIBS} )4 编译:
cd ~/opencv-lenacmake .make

5 执行:
此时opencv-lena文件夹中已经产生了可执行文件DisplayImage,下载lena.jpg放在opencv-lena下,运行
./DisplayImage lena.jpg(pkg-config --modversion opencv  查看opencv版本)






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