像素级角点检测与调试方法

/*此程序能够实现角点像素级精度提取，最好用此进行实验，后来与前一个进行修改*/

#include "cv.h"
#include "highgui.h"
#include "cxcore.h" // 绘图所需
#define MAX_CORNERS 100
// 可以不加 #include "stdio.h" 
int main(int argc ,char**argv)
{
        int cornersCount=MAX_CORNERS;//得到的角点数目
       CvPoint2D32f corners[MAX_CORNERS];//输出角点集合
       IplImage *srcImage = 0,*grayImage = 0,*corners1 = 0,*corners2 = 0;
         int i;
       CvScalar color = CV_RGB(255,0,0);
       cvNamedWindow("image",1);

            //Load the image to be processed
       srcImage = cvLoadImage("D:\\a2.jpg",1);
       grayImage = cvCreateImage(cvGetSize(srcImage),IPL_DEPTH_8U,1);

         //copy the source image to copy image after converting the format
         //复制并转为灰度图像
       cvCvtColor(srcImage,grayImage,CV_BGR2GRAY);

          //create empty images os same size as the copied images
          //两幅临时32位浮点图像，cvGoodFeaturesToTrack会用到
       corners1 = cvCreateImage(cvGetSize(srcImage),IPL_DEPTH_32F,1);
       corners2 = cvCreateImage(cvGetSize(srcImage),IPL_DEPTH_32F,1);

       cvGoodFeaturesToTrack(grayImage,corners1,