基于pca的人脸识别opencv代码

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1、基于PCA的人脸识别opencv代码#inelude〃StdAfx.H〃#include#inelude#include"CV・H〃#include〃cvaux・H〃#inelude"highgui.H〃H#inelude"time.#include"iostreanTUsingthenamespaceCV;UsingnamespaceSTD.//defineseveralimportantglobalvariablesIplImage**fdcelmgArr=0;//Pointerstotrainingf

2、acesandtestfaces(pointstodifferentlearningandrecognitionstages)CvMat*personNumTruthMat=0;//theIDofthefaceimageIntnTrainFaces=0;//thenumberoftrainingimagesIntnEigens二0;//thenumberofmajoreigenvaluesthatyoutakeIp1Image*pAvgTrainlmg二0;//theaverageoftrainingfacedataIp1Image*eigen

3、VectArr=0;//projectionmatrix,whichisthemaineigenvectorCvMat*eigenValMat二0;//eigenvalueCvMat*projectedTrainFaceMat二0;//theprojectionofthetrainingimage//functionprototypeVoidlearn();Voidrecognize();VoiddoPCA();VoidstoreTrainingData();IntloadTrainingData(CvMat*pTrainPersonNumMa

4、t);Afloat*projectedTestFace;IntloadFacelmgArray(char*filename);VoidprintUsage();//themainfunction,whichconsistsoflearningandidentifyingtwophases,needstoberuntwice,separatedbytheparameterspassedbythecommandlineIntmain(){//learn();Recognize();}//thelearningphasecodeVoidlearn()

5、{Cout<<<<<<<<<<<<<">>//starttimeClock_tstartandfinish;Doubleduration;Start二clock();IntI,offset;//loadtrainingimagesNTrainFaces二loadFacelmgArray(“train.TXT“);If(nTrainFaces<2){Fprintf(stderr,"Need2ormoretrainingfaces〃"Inputfilecontainsonly%drT,nTrainFaces);Thereturn;}//the

6、maincomponentanalysisDoPCA();//thetrainingatlasisprojectedintothesubspaceProjectedTrainFaceMat二cvCreateMat(nTrainFaces,nEigens,CV_32FC1);Offset二projectedtrainfacemat->step/sizeof(float);For(I=0;I

7、EigenVectArr,0,0,PAvgTrainlmg,//projectedtrainfacemat->data・f1+I*nEigens・Projectedtrainfacemat->data・fl.}//theeigenvaluesofthetrainingphase,theprojectionmatrix,etcarestoredas.xmlfilesforthetestStoreTrainingData();//endtimeFinish二clock();Duration二(double)(finishstart)/CLOCKS_

8、PER_SEC;Cout<<"duration<<<<<<<<<<"<<<<<<<<<<<〈〈〈〈〃〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈〈