OpenCV-ubuntu-install

时间:2023-03-09 02:20:53
OpenCV-ubuntu-install

1.安装一些依赖库

sudo apt-get install build-essential libgtk2.0-dev libavcodec-dev libavformat-dev libjpeg62-dev libtiff4-dev cmake libswscale-dev libjasper-dev

2.下载源码并编译

opencv的下载地址:http://opencv.org/downloads.html
unzip opencv-x-x-x.zip
cd opencv
mkdir build
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..
make -j && make install

3.安装和 配置

sudo vi /etc/ld.so.d/opencv.conf
输入:
/usr/local/lib
保存并退出
运行ldconfig使生效
sudo ldconfig
在shell的配置的文件中加入
我使用的是oh-my--zsh,所以在~/.zshrc中加入就可以了
#opencv config

PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
  export PKG_CONFIG_PATH

4.测试

显示图片

ShowImage.cpp

 /**
* File name :ShowImage.cpp
* Author :kangkangliang
* File desc :test Opencv
* Mail :942504876@qq.com
* Create time :2016-07-26
*/ /**
* headfile
*/
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <iterator>
#include <opencv2/core/core.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <opencv2/highgui/highgui.hpp>
using namespace std;
using namespace cv;
/**
* main function
*/
int
main(int argc,char **argv)
{
/// error way
if (argc < )
cout << "usage :./show image_name" << endl; /// read image from agrv
Mat src = imread(argv[]);
if (!src.data)
{
cout << "read iamge error" << endl;
return -;
} /// show image
imshow("image",src);
waitKey();
return ;
}

make.sh 脚本

 #########################################
# File name :make.sh
# Author :liangkangkang
# File desc :compile opencv
# Mail :@qq.comm
# Create time :--
#########################################
#!/usr/bin/bash
#obj = `echo $ | cut -d '.' -f1`
#g++ -Wall -std=c++0x $ -o $obj
g++ -Wall -std=c++0x $ `pkg-config --cflags --libs opencv` -o `echo $ | cut -d '.' -f1`
#./`echo $ | cut -d '.' -f1`
$sh make.sh ShowImage.cpp
$./ShowImage image_name

或者使用cmake来编译

编写CMakeLists.txt

 cmake_minimum_required(VERSION 2.8)
project( ShowImage )
find_package( OpenCV REQUIRED )
add_executable( ShowImage ShowImage.cpp )
target_link_libraries( ShowImage ${OpenCV_LIBS} )

$cmake .

$make

$./ShowImage image_name

祝你成功,开始OpenCV之旅!!!

note:懒人的话就直接用opencv-install 脚本

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