学步园

// opencv_test02.cpp : 定义控制台应用程序的入口点。
//

#include"stdafx.h"
#include "stdafx.h"
#include <opencv2/core/core.hpp>
#include <opencv2/features2d/features2d.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/nonfree/features2d.hpp>
#include <vector>
#include <iostream>
using namespace std;
using namespace cv;


// Load image from file
int main(int argc,char* argv[])
{
 	IplImage *pLeftImage = cvLoadImage("e:\\tmp\\01.bmp", CV_LOAD_IMAGE_GRAYSCALE);
	IplImage *pRightImage = cvLoadImage("e:\\tmp\\02.bmp", CV_LOAD_IMAGE_GRAYSCALE); 
    // Convert IplImage to cv::Mat
    Mat matLeftImage = Mat(pLeftImage, false); // Do not copy
    Mat matRightImage = Mat(pRightImage, false); 
 
    // Key point and its descriptor
 
vector<KeyPoint> LeftKey;
vector<KeyPoint> RightKey;
 
Mat LeftDescriptor;
Mat RightDescriptor;
 
vector<DMatch> Matches; 
 
// Detect key points from image
 
FeatureDetector *pDetector = new SurfFeatureDetector; // 这里我们用了SURF特征点


pDetector->detect(matLeftImage, LeftKey);
pDetector->detect(matRightImage, RightKey);
 
delete pDetector; 
 
// Extract descriptors
 
DescriptorExtractor *pExtractor = new SurfDescriptorExtractor; // 提取SURF描述向量
pExtractor->compute(matLeftImage, LeftKey, LeftDescriptor);
pExtractor->compute(matRightImage, RightKey, RightDescriptor);
 
delete pExtractor;

// Matching features
 
DescriptorMatcher *pMatcher = new FlannBasedMatcher; // 使用Flann匹配算法
pMatcher->match(LeftDescriptor, RightDescriptor, Matches);
 
delete pMatcher; 
 
// Show result

Mat OutImage;
drawMatches(matLeftImage, LeftKey, matRightImage, RightKey, Matches, OutImage);
cvNamedWindow( "Match features", 1);
cvShowImage("Match features", &(IplImage(OutImage)));
cvWaitKey( 0 );
cvDestroyWindow( "Match features" );

}