ubuntu 系統 opencv3.1.0 安裝


opencv編譯安裝

編譯環境安裝:

 sudo apt-get install build-essential

 

必需包安裝:

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

 

可選包安裝:

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

 

opencv下載:

  穩定版

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

  github源代碼

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

 

創建編譯的臨時目錄:

cd ~/opencv
mkdir build
cd build

   注意: 這里假設opencv解壓開的或者從github獲取的源代碼目錄在用戶主目錄下。

 

生成cmake編譯配置:

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

 

編譯:

make -j4 # runs 4 jobs in parallel

 

安裝opencv:

sudo make install

 

運行測試:

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

 

一個例子:

首先創建一個目錄 test,並進入目錄:

mkdir test
cd test

其次,創建文件 DisplayImage.cpp 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;
}

 接着,創建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} )

 最后運行:

./DisplayImage psu.jpg #隨便一張圖片都行

 

參考:

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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