[OpenCV]（1）安装与测试

1、安装包下载地址：http://opencv.org/downloads.html

2、解压缩到D:\Program Files (x86)

3、添加环境变量：D:\Program Files (x86)\opencv\build\x86\vc10\bin

4、新建一个Win32控制台应用程序cvFirst

附加包含目录：D:\Program Files (x86)\opencv\build\include

附加库目录：D:\Program Files (x86)\opencv\build\x86\vc10\lib

附加依赖项：

opencv_calib3d2410d.lib
opencv_contrib2410d.lib
opencv_core2410d.lib
opencv_features2d2410d.lib
opencv_flann2410d.lib
opencv_gpu2410d.lib
opencv_highgui2410d.lib
opencv_imgproc2410d.lib
opencv_legacy2410d.lib
opencv_ml2410d.lib
opencv_objdetect2410d.lib
opencv_ts2410d.lib
opencv_video2410d.lib

添加代码：

 #include "stdafx.h"
 #include <opencv2\opencv.hpp>
 #include <iostream>
 #include <string>
 using namespace cv;
 using namespace std;

 int _tmain(int argc, _TCHAR* argv[])
 {
     Mat img = imread("pp.PNG");
     if(img.empty())
     {
         cout<<"error";
         return -;
     }
     imshow("图片",img);
     waitKey();

     return ;
 }

程序运行结果：