opencv轮廓提取与轮廓拟合

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1、opencv轮廓提取与轮廓拟合#include#include#include#include#includeusingnamespacestd;usingnamespacecv;intmain(){//ReadinputbinaryimageMatimage=imread("./binaryGroup.bmp",0);if(!image.data)r

2、eturn0;namedWindow("BinaryImage");imshow("BinaryImage",image);//Getthecontoursoftheconnectedcomponentsvector>contours;//findContours的输入是二值图像findContours(image,contours,//avectorofcontoursCV_RETR_EXTERNAL,//retrievetheexternalcontoursCV_CHAIN_APPROX_NONE);//retri

3、eveallpixelsofeachcontours//Printcontours'length轮廓的个数cout<<"Contours:"<>::const_iteratoritContours=contours.begin();for(;itContours!=contours.end();++itContours){cout<<"Size:"<size()<

4、onwhiteimageotherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarch,hehasbeentheNorth

5、westOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorderoftheCountypartyCommitteeSecretary,MinistersandMatresult(image.size(),CV_8U,Scalar(0));drawContours(result,contours,//画出轮廓-1,//drawallcontoursSca

6、lar(255),//inblack2);//withathicknessof2namedWindow("Contours");imshow("Contours",result);//Eliminatetooshortortoolongcontoursintcmin=100;//minimumcontourlengthintcmax=1000;//maximumcontourlengthvector>::const_iteratoritc=contours.begin();while(itc!=contours.end

7、()){if(itc->size()

8、

9、itc->size()>cmax)itc=contours.erase(itc);else++itc;}//drawcontoursontheoriginalimageMatoriginal=imread("./group.bmp");drawContours(original,contours,-1,//drawallcontoursScalar(255,255,255),//inwhite2);//withathicknessof2namedWindow("ContoursonAnimals"

10、);imshow("ContoursonAnimals",original);//Let'snowdrawblackcontourson