opencv 单目标模板匹配（只适用于模板与目标尺度相同）

#include <iostream>

#include "opencv/cv.h"

#include "opencv/cxcore.h"

#include "opencv/highgui.h"

using namespace std;  

#pragma comment ( lib,"opencv_highgui244.lib" )

#pragma comment ( lib,"opencv_core244.lib" )

#pragma comment ( lib,"opencv_imgproc244.lib" )

int main()

{

    IplImage *src = cvLoadImage("src.jpg", 0);

    IplImage *srcResult = cvLoadImage("src.jpg", 3);  //用来显示

    IplImage *templat = cvLoadImage("template1.png", 0);

    IplImage *result;

    if(!src || !templat)

    {

        cout << "打开图像失败"<< endl;

        return 0;

    }

    int srcW, srcH, templatW, templatH, resultH, resultW;

    srcW = src->width;

    srcH = src->height;

    templatW = templat->width;

    templatH = templat->height;

    if(srcW < templatW || srcH < templatH)

    {

        cout <<"原图不能比模板小" << endl;

        return 0;

    }

    resultW = srcW - templatW + 1;

    resultH = srcH - templatH + 1;

    result = cvCreateImage(cvSize(resultW, resultH), 32, 1);   

	//the 3rd parameter

    cvMatchTemplate(src, templat, result, CV_TM_SQDIFF);

    double minValue, maxValue;

    CvPoint minLoc, maxLoc;

    cvMinMaxLoc(result, &minValue, &maxValue, &minLoc, &maxLoc);

    cvRectangle(srcResult, minLoc, cvPoint(minLoc.x + templatW, minLoc.y+ templatH), cvScalar(0,0,255));

    cvNamedWindow("srcResult", 0);

    cvNamedWindow("templat", 0);

    cvShowImage("srcResult", srcResult);

    cvShowImage("templat", templat);

    cvWaitKey(0);

    cvReleaseImage(&result);

    cvReleaseImage(&templat);

    cvReleaseImage(&srcResult);

    cvReleaseImage(&src);

    return 0;

}
巴特西

opencv 单目标模板匹配（只适用于模板与目标尺度相同）

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