模板匹配

#include<opencv2/opencv.hpp>
#include<iostream>
#include<math.h>
using namespace std;
using namespace cv;
int main()
{
	Mat src1 = imread("D:\\test1.bmp", IMREAD_GRAYSCALE);
	Mat src2 = imread("D:\\test2.bmp", IMREAD_GRAYSCALE);
	if (src1.empty()|| src2.empty())
	{
		cout << " image read error" << endl;
		return -1;
	}
	//去除原图黑边得到64*64图像
	Mat img1 = src1(Range(130, 194), Range(320, 384));
	Mat img2 = src2(Range(130, 194), Range(320, 384));
	int rows1 = img1.rows;
	int cols1 = img1.cols;
	int rows2 = img2.rows;
	int cols2 = img2.cols;
	//取第一幅图片的中间区域templ作为模板，大小为41*41
	Mat templ = img1(Range(rows1 / 2 - 20, rows1 / 2 + 21), Range(cols1 / 2 - 20, cols1 / 2 + 21));
	int result_cols = img2.cols - templ.cols + 1;
	int result_rows = img2.rows - templ.rows + 1;
	Mat result(result_rows, result_cols, CV_32FC1); //result    输出结果，必须是单通道32位浮点数
	//进行模板匹配
	matchTemplate(img2, templ, result, 3);//result    输出结果，必须是单通道32位浮点数
	Point minLoc;
	Point maxLoc;
	double min, max;
	minMaxLoc(result, &min, &max, &minLoc, &maxLoc);
	cout << "max="<<max << endl;
	cout << "maxLoc="<<maxLoc << endl;
	system("pause");
	return 0;
}