opencv 椭圆检测识别并画出轮廓.doc

*#include stdafx.h#include cv.h#include highgui.husing namespace cv;using namespace std; /标示符的可见范围CvPoint2D32f GetCPoint(IplImage* imageFg,int maxX);void FitEllipseBlob(IplImage* imageFg);int main( int argc, char* argv ) IplImage* pImg; /声明IplImage指针 /载入图像 pImg = cvLoadImage( C:UsersBBDesktopbecOPENCV椭圆拟合定位椭圆中心点以及重心法定位程序OPENCV椭圆拟合定位椭圆中心点以及重心法定位程序特征中心点提取误差分析image.bmp, 1);/此处的argc=2是否需要改成argc=1？我改了之后才能运行成功。求大牛解惑 / wmzzzz : 在属性|debug|里的command arguments 里加入参数(一个路径:要打开的文件路径) 这时 argc=2 就合理了.可以试试多加几个 int pointX = 0;for (int i=0;iwidth,pImg-height),IPL_DEPTH_8U,1);IplImage* m_imageBw = cvCreateImage(cvSize(pImg-width,pImg-height),IPL_DEPTH_8U,1);cvCvtColor(pImg,m_imageGray,CV_RGB2GRAY);cvThreshold(m_imageGray,m_imageBw,128,255,CV_THRESH_BINARY);CvPoint2D32f pointXX;float XXX,YYY;for (int i = 0;i19;i+)pointX=60*i+60;pointXX = GetCPoint(m_imageBw,pointX);XXX=pointXX.x;YYY=pointXX.y;coutXXX YYYendl;coutendl;coutendl;coutendl;coutendl;coutendl;FitEllipseBlob(m_imageBw); cvNamedWindow( Image, 1 );/创建窗口 cvShowImage( Image, m_imageBw );/显示图像cvSaveImage(image.bmp,pImg); cvWaitKey(0); /等待按键 cvDestroyWindow( Image );/销毁窗口 cvReleaseImage( &pImg ); /释放图像 return 0;CvPoint2D32f GetCPoint(IplImage* imageFg,int maxX)CvPoint2D32f point;double Xsum=0,Ysum=0,Sum=0;CvScalar Value;for (int j=0;jheight;j+)for (int i= maxX-60;ih_next)int i;int count= cont-total;/轮廓个数CvPoint2D32f center;CvSize size;/*个数必须大于6，这是cvFitEllipse_32f的要求if (count6)continue;/分配内存给点集PointArray = (CvPoint *)malloc(count*sizeof(CvPoint);PointArray2D32f = (CvPoint2D32f*)malloc(count*sizeof(CvPoint2D32f);/分配内存给椭圆数据box = (CvBox2D32f *)malloc(sizeof(CvBox2D32f);/得到点集（这个方法值得借鉴）cvCvtSeqToArray(cont,PointArray,CV_WHOLE_SEQ);/将CvPoint点集转化为CvBox2D32f集合for (i=0;icenter.x);center.y = cvRound(box-center.y);size.width = cvRound(box-size.width*0.5);size.height = cvRound(box-size.height*0.5);box-angle = -box-angle;XXXX=center.x;YYYY=cente