opencv椭圆检测识别并画出轮廓

1、*#includestdafk.h#includencv.hnincludeHlughgui.hMusingnamespacecv;usingnamespacestd;标示符的可见范闱CvPoint2D32fGetCPomt(lpllinage*miageFgmtniaxX);voidFitEllipseBlob(IplIinage*imageFg);mtmaiii(mtaigc,char*argv)Ipllinage*pling;声明Iplhnage指针载入图像pling=cvLoadIinage(MC:UsersBB.DesktopbecOPENCV椭圆拟合定位椭圆中心点以及重心法定位程序

2、WOPENCV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iiiiage.bmp,1);/此处的aigc=2是否需要改成aigc=l?我改了之后才能运行成功。求人牛解惑wnizzzz:在”属性M|HdebugH|里的commandaiguments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intpointX=0;for(mti=0;i19;i+)pomtX=60*i+30;cvEllipse(pIingxvPoint(pomtX.80),cvSize(19.20)r200.0,360,CV_RGB(255,255,255)width,pI

3、ing-height).IPL_DEPTH_8U,l);Ipllinage*m_iniageBwcvCreateIniage(cvSize(pImg-width,pIing-height).IPL_DEPTH_8U,l);cvCvtColoi(pImg、m_imageGniy,CV_RGE2GRAY);cvTlueshold(m_miageGray,m_iinageBw.l28,255,CV_THRESH_BINARY);CvPomt2D32fpointXX;floatXXX,YYY;for(mti=0;i19;i+)pointX=60*i+60;pomtXX=GetCPomt(m_miage

4、Bw.pomtX);XXX=pointXX.x;YYY=pomtXX.y;coutXXXHHYYYendl;coutendl;coutendl;coutendl;coutendl;coutendl;FitEllipseBlob(m_miageBw);cvNamedWmdow(Image爲1)；/创建窗IIcvShowIinage(,Iinagen,m_iiiiageBw);显示图像cvSaveIinage(Hmiage.bmppIing);cvWaitKey(O);/等待按键cvDestroyWiiidow(nIinageM);/销毁窗IIcvReleaseIiuage(&plmg);释放图像

5、return0;CvPoint2D32fGetCPomt(lpllinage*miageFgmtniaxX)CvPomt2D32fpoint;doubleXsum=0,Ysum=0,Suin=0;CvScalai-Value;for(iiitj=0Jh亡ight;j+)for(inti=maxX-60;ih_next)lilt1;mtcount=cont-total;/轮廓个数CvPomt2D32fcenter;CvSizesize;/*个数必须人于6,这是cvFitEllipse_32f的要求if(count6)contmue;分配内存给点集PomtAnay=(CvPoint*)niallo

6、c(count*sizeof(CvPomt);PomtAnay2D32f=(CvPomt2D32f*)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)cvCvtS亡qToAmiy(conPointAmiy、CV_WHOLE_SEQ);将CvPomt点集转化为CvBox2D32f集合for(i=0;icenter.x);center.y=cvRound(box-center.v);size,width=cvRound(box-size.width*0.5);size.height=cvRound(box-size.height*0.5);box-angle=-box-angle;XXXX=centei.x;YYYY=centei.v;