手势识别代码程序

#include <Windows.h> #include <cv.h> #include <cxcore.h> #include <highgui.h> #include <fstream> #include <iostream> #include <iomanip> #include <algorithm> using namespace std; #pragma comment(lib,"cv210.lib") #pragma comment(lib,"cxcore210.lib") #pragma comment(lib,"highgui210.lib") void ErrorHandler(char* message) { cout<<message<<endl; exit(0); } #undef UNICODE //Download by http://www.codefans.net void fingerTip(char* imgname); int main() { WIN32_FIND_DATA FileData; HANDLE hSearch; BOOL fFinished = FALSE; if(!SetCurrentDirectory("images")){ cout<<"failed to change work directory"<<endl; exit(0); } hSearch = FindFirstFile("*.bmp", &FileData); if (hSearch == INVALID_HANDLE_VALUE){ ErrorHandler("No .bmp files found."); } while (!fFinished){ fingerTip(FileData.cFileName); if (!FindNextFile(hSearch, &FileData)){ if (GetLastError() == ERROR_NO_MORE_FILES){ fFinished = TRUE; } else { ErrorHandler("Couldn't find next file."); } } cvWaitKey(0); } // Close the search handle. if (!FindClose(hSearch)){ ErrorHandler("Couldn't close search handle."); } return 0; } void fingerTip(char* imgname) { IplImage* pImgColor=NULL; IplImage* pImgGray=NULL; IplImage* pImgContourAll=NULL; IplImage* pImgContourAppr=NULL; IplImage* pImgHull=NULL; IplImage* pImgDefects=NULL; pImgColor=cvLoadImage(imgname,CV_LOAD_IMAGE_COLOR); if (!pImgColor){ cout<<"failed to load image"<<endl; exit(0); } pImgGray=cvCreateImage(cvGetSize(pImgColor),8,1); cvCvtColor(pImgColor,pImgGray,CV_RGB2GRAY); pImgContourAppr=cvCreateImage(cvGetSize(pImgGray),8,3); pImgContourAll=cvCreateImage(cvGetSize(pImgGray),8,3); pImgHull=cvCreateImage(cvGetSize(pImgGray),8,3); pImgDefects=cvCreateImage(cvGetSize(pImgGray),8,3); cvZero(pImgContourAppr); cvZero(pImgContourAll); cvZero(pImgHull); cvZero(pImgDefects); //canny CvMemStorage* storage=cvCreateMemStorage(); CvSeq* contourSeqAll=cvCreateSeq(0,sizeof(CvSeq),sizeof(CvPoint),storage); cvCanny(pImgGray,pImgGray,10,30,5); cvFindContours(pImgGray,storage,&contourSeqAll,sizeof(CvContour),CV_RETR_LIST,CV_LINK_RUNS); //original contours CvSeq* tseq=contourSeqAll; for (;contourSeqAll;contourSeqAll=contourSeqAll->h_next){ cvDrawContours(pImgContourAll,contourSeqAll,cvScalar(255,0,0),cvScalar(0,0,255),0,2); } contourSeqAll=tseq; CvMemStorage* storageAppr=cvCreateMemStorage(); CvSeq* contourAppr=cvCreateSeq(0,sizeof(CvSeq),sizeof(CvPoint),storageAppr); contourAppr=cvApproxPoly(contourSeqAll,sizeof(CvContour),storageAppr,CV_POLY_APPROX_DP,5,1); //approximated contours tseq=contourAppr; for (;contourAppr;contourAppr=contourAppr->h_next){ cvDrawContours(pImgContourAppr,contourAppr,cvScalar(255,0,0),cvScalar(0,0,255),0,2); } contourAppr=tseq; //print contours /*cout<<"contours:"<<endl; for (int i=0;i<contourAppr->total;i++){ CvPoint* p=(CvPoint*)CV_GET_SEQ_ELEM(CvPoint,contourAppr,i); cout<<p->x<<","<<p->y<<endl; cvCircle(pImgHull,*p,3,cvScalar(0,255,255)); cvShowImage("hull",pImgHull); cvWaitKey(0); }*/ ////convex hull CvSeq* hull=cvConvexHull2(contourAppr); //convexity defects CvSeq* defectSeq=cvConvexityDefects(contourAppr,hull); //rearrange the detectSeq in linked sequence for (int i=0;i<defectSeq->total;i++){ CvConvexityDefect* dp=(CvConvexityDefect*)CV_GET_SEQ_ELEM(CvConvexityDefect,defectSeq,i); cvLine(pImgDefects,*(dp->start),*(dp->end),cvScalar(0,0,255)); cvLine(pImgDefects,*(dp->start),*(dp->depth_point),cvScalar(0x00,0x99,0xff)); cvLine(pImgDefects,*(dp->depth_point),*(dp->end),cvScalar(0xff,0x99,0x00)); cvCircle(pImgDefects,*(dp->depth_point),2,cvScalar(0xff,0x99,0x00)); cout<<i<<" :("<<dp->start->x<<","<<dp->start->y<<")"<<endl; } cvShowImage("original",pImgColor); cvShowImage("canny",pImgGray); cvShowImage("contour all",pImgContourAll); cvShowImage("contour appr",pImgContourAppr); cvShowImage("ConvexityDefects",pImgDefects); //cvShowImage("hull",pImgHull); cvWaitKey(0); cvDestroyAllWindows(); cvReleaseImage(&pImgColor); cvReleaseImage(&pImgGray); cvReleaseImage(&pImgContourAll); cvReleaseImage(&pImgContourAppr); cvReleaseImage(&pImgDefects); cvReleaseImage(&pImgHull); cvReleaseMemStorage(&storage); cvReleaseMemStorage(&storageAppr); }