C++实现SIFT匹配

#include
#include
#include

using namespace cv;
using namespace std;

//SIFT的方式

using namespace std;
using namespace cv;

int main3(int* argv, int** argc)
{

	Mat imgRight = imread("E:/sift_test.jpg"); //右图
	Mat imgLeft = imread("E:/sift_test2.jpg"); //左图

	int numfeature = 1000; //设置特征点个数
	PtrDetector = SIFT::create(numfeature);//取1000个特征点
	//auto Detector = SIFT::create(); //自动生成特征点的个数

	vector kpCat, kpSmallCat;
	Mat descriptorCat, descriptorSmallCat;

	Detector->detectAndCompute(imgRight, Mat(), kpCat, descriptorCat);
	printf("检测到的左图所有的特征点个数：%d", kpCat.size()); //打印检测到的特征点个数
	Detector->detectAndCompute(imgLeft, Mat(), kpSmallCat, descriptorSmallCat);
	printf("检测到的右图所有的特征点个数：%d", kpCat.size()); //打印检测到的特征点个数
	Ptr matcher = DescriptorMatcher::create(DescriptorMatcher::BRUTEFORCE);
	std::vector matchers;
	matcher->match(descriptorCat, descriptorSmallCat, matchers);

	Mat imgMatches;
	drawMatches(imgRight, kpCat, imgLeft, kpSmallCat, matchers, imgMatches); //将右图和左图的特征点匹配并画出。
	//drawMatches(imgRight, kpCat, imgLeft, kpSmallCat, matchers, imgMatches, Scalar(0, 255, 0));//将右图和左图的特征点匹配并指定用绿色线画出。
	//imshow("左图", imgRight);
	//imshow("右图", imgLeft);
	namedWindow("特征点匹配图", CV_WINDOW_NORMAL); //可任意改变窗口大小
	imshow("特征点匹配图", imgMatches);
	imwrite("./效果图/特征点匹配图.jpg", imgMatches);
	waitKey(0);
	return true;
}