opencv--模板匹配

 1 #include "stdafx.h"
 2 #include <windows.h>
 3 #include <baseapi.h>
 4 #include <opencv2\opencv.hpp>
 5
 6 using namespace cv;
 7 using namespace std;
 8 #pragma  comment(lib,"libtesseract302d.lib")
 9
10 int main()
11 {
12     IplImage *src = cvLoadImage("C:\\Users\\Bite07\\Desktop\\1.jpg", 0);
13     IplImage *srcResult = cvLoadImage("C:\\Users\\Bite07\\Desktop\\1.jpg", 3);  //用来显示
14     IplImage *templat = cvLoadImage("C:\\Users\\Bite07\\Desktop\\4.jpg", 0);
15     IplImage *result;  // 用来存放结果
16
17     if(!src || !templat)
18     {
19         cout << "打开图像失败"<< endl;
20         return 0;
21     }
22     int srcW, srcH, templatW, templatH, resultH, resultW;
23     srcW = src->width;
24     srcH = src->height;
25     templatW = templat->width;
26     templatH = templat->height;
27     if(srcW < templatW || srcH < templatH)
28     {
29         cout <<"模板不能比原图像大" << endl;
30         return 0;
31     }
32     resultW = srcW - templatW + 1;
33     resultH = srcH - templatH + 1;
34     result = cvCreateImage(cvSize(resultW, resultH), 32, 1);
35
36     cvMatchTemplate(src, templat, result, CV_TM_SQDIFF);
37     double minValue, maxValue;
38     CvPoint minLoc, maxLoc;
39
40     cvMinMaxLoc(result, &minValue, &maxValue, &minLoc, &maxLoc);
41     cvRectangle(srcResult, minLoc, cvPoint(minLoc.x + templatW, minLoc.y+ templatH), cvScalar(0,0,255));
42
43     cvNamedWindow("srcResult", 0);
44     cvNamedWindow("templat", 0);
45     cvShowImage("srcResult", srcResult);
46     cvShowImage("templat", templat);
47     cvWaitKey(0);
48     cvReleaseImage(&result);
49     cvReleaseImage(&templat);
50     cvReleaseImage(&srcResult);
51     cvReleaseImage(&src);
52     return 0;
53 }  

参考至：http://blog.csdn.net/lu597203933/article/details/14548523