2004年08月31日 14:20:00
这是在 Ruadhan
提供的源代码基础上做了一些修改，可以检测图像中的角点。应用环境是：OPENCV
BETA 4，VC6 编译运行通过。
运行文件下载地址：
http://www.assuredigit.com/program/corner.exe
==========
#include
#include "cv.h"
#include "highgui.h"
#define max_corners 100
int main( int argc, char** argv )
{
int
cornerCount=max_corners;
CvPoint2D32f
corners[max_corners];
double
qualityLevel;
double
minDistance;
IplImage
*srcImage = 0, *grayImage = 0, *corners1 = 0, *corners2 = 0;
int i;
CvScalar
color = CV_RGB(255,0,0);
char*
filename = argc == 2 ? argv[1] :
(char*)"..//..//c//pic3.png";
cvNamedWindow( "image", 1 ); // create HighGUI window with name
"image"
//Load the
image to be processed
srcImage =
cvLoadImage(filename,1);
grayImage =
cvCreateImage(cvGetSize(srcImage), IPL_DEPTH_8U, 1);
//copy the
source image to copy image after converting the format
cvCvtColor(srcImage, grayImage, CV_BGR2GRAY);
//create
empty images of same size as the copied images
corners1=
cvCreateImage(cvGetSize(srcImage), IPL_DEPTH_32F, 1);
corners2=
cvCreateImage(cvGetSize(srcImage),IPL_DEPTH_32F, 1);
cvGoodFeaturesToTrack (grayImage, corners1, corners2,
corners,
&cornerCount, 0.05, 5, 0);
printf("num
corners found: %d\n", cornerCount);
// draw
circles at each corner location in the gray image and
// print out
a list the corners
if(cornerCount>0)
{
for (i=0; i
{
cvCircle(srcImage, cvPoint((int)(corners[i].x),
(int)(corners[i].y)), 6,
color, 2, CV_AA, 0);
}
}
cvShowImage(
"image", srcImage );
cvReleaseImage(&srcImage);
cvReleaseImage(&grayImage);
cvReleaseImage(&corners1);
cvReleaseImage(&corners2);
cvWaitKey(0); // wait for key. The function has
return
0;
}
-----------------
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