多线程实现视频马赛克实时检测

/* #include <cv.h> #include <highgui.h> #include <fstream> #include <string.h> #include <Windows.h> HANDLE hMutex; using namespace std; using namespace cv; void cal_cubesnumber(int xx); void cal_cubesnumber1(int xx1); void cal_cubesnumber2(int xx2); void cal_cubesnumber3(int xx3); int Pixel[2000][2000]={1}; int Pixel1[2000][2000]={1}; int Pixel2[2000][2000]={1}; int Pixel3[2000][2000]={1}; int Tongji[40][2]={0}; int Tongji1[40][2]={0}; int Tongji2[40][2]={0}; int Tongji3[40][2]={0}; DWORD WINAPI PROCESS1(LPVOID lpParameter) { WaitForSingleObject(hMutex,INFINITE); IplImage *canny = NULL; IplImage *sr = NULL; double low_thresh=40.0; double hig_thresh=200.0; char name1[10]; for(int i=11;i<21;i++) { sprintf(name1,"%d.jpg",i); string fname1=name1; sr=cvLoadImage(fname1.c_str()); if(sr!=0) { canny=cvCreateImage(cvGetSize(sr),IPL_DEPTH_8U,1); cvCanny(sr,canny,low_thresh,hig_thresh,3); cvSaveImage("Canny1.jpg",canny); cal_cubesnumber1(i); } } cvReleaseImage(&sr); cvReleaseImage(&canny); ReleaseMutex(hMutex); return 0; } DWORD WINAPI PROCESS2(LPVOID lpParameter) { WaitForSingleObject(hMutex,INFINITE); IplImage *canny = NULL; IplImage *sr = NULL; double low_thresh=40.0; double hig_thresh=200.0; char name2[10]; for(int i=21;i<31;i++) { sprintf(name2,"%d.jpg",i); string fname2=name2; sr=cvLoadImage(fname2.c_str()); if(sr!=0) { canny=cvCreateImage(cvGetSize(sr),IPL_DEPTH_8U,1); cvCanny(sr,canny,low_thresh,hig_thresh,3); cvSaveImage("Canny2.jpg",canny); cal_cubesnumber2(i); } } cvReleaseImage(&sr); cvReleaseImage(&canny); ReleaseMutex(hMutex); return 0; } DWORD WINAPI PROCESS3(LPVOID lpParameter) { WaitForSingleObject(hMutex,INFINITE); IplImage *canny = NULL; IplImage *sr = NULL; double low_thresh=40.0; double hig_thresh=200.0; char name3[10]; for(int i=31;i<41;i++) { sprintf(name3,"%d.jpg",i); string fname3=name3; sr=cvLoadImage(fname3.c_str()); if(sr!=0) { canny=cvCreateImage(cvGetSize(sr),IPL_DEPTH_8U,1); cvCanny(sr,canny,low_thresh,hig_thresh,3); cvSaveImage("Canny3.jpg",canny); cal_cubesnumber3(i); } } cvReleaseImage(&sr); cvReleaseImage(&canny); ReleaseMutex(hMutex); return 0; } void main() { int start,end; start=clock(); char name[10]; HANDLE pThread1=CreateThread(NULL,0,PROCESS1,NULL,0,NULL); HANDLE pThread2=CreateThread(NULL,0,PROCESS2,NULL,0,NULL); HANDLE pThread3=CreateThread(NULL,0,PROCESS3,NULL,0,NULL); HANDLE hMutex=CreateMutex(NULL,FALSE,NULL); CloseHandle(pThread1); CloseHandle(pThread2); CloseHandle(pThread3); WaitForSingleObject(hMutex,INFINITE); IplImage *canny = NULL; IplImage *sr = NULL; double low_thresh=40.0; double hig_thresh=200.0; for(int i=1;i<11;i++) { sprintf(name,"%d.jpg",i); string fname=name; sr=cvLoadImage(fname.c_str()); if(sr!=0) { canny=cvCreateImage(cvGetSize(sr),IPL_DEPTH_8U,1); cvCanny(sr,canny,low_thresh,hig_thresh,3); cvSaveImage("Canny.jpg",canny); cal_cubesnumber(i); } } cvReleaseImage(&sr); cvReleaseImage(&canny); ReleaseMutex(hMutex); end=clock(); double totaltime=(double)(end-start)/CLOCKS_PER_SEC; cout<<totaltime<<"\n"; remove("Canny.jpg"); remove("Canny1.jpg"); remove("Canny2.jpg"); remove("Canny3.jpg"); getchar(); } void cal_cubesnumber(int xx) { int Tongji[40][2]={0}; IplImage *m=cvLoadImage("Canny.jpg",1); int height=(*m).height; int width=(*m).width; CvSize zz; zz.height=height; zz.width=width; IplImage *m1; m1=cvCreateImage(zz,IPL_DEPTH_8U,1); cvCvtColor(m,m1,CV_BGR2GRAY); for(int x=0;x<height;x++) { uchar *ptr=(uchar *)m1->imageData+x*m1->widthStep; for(int y=0;y<width;y++) { int intensity=ptr[y]; if(intensity>200) { Pixel[y][x]=0; } else { Pixel[y][x]=1; } } } for(int a=4;a<(*m1).width-4;a++) for(int bc=3;bc<33;bc++) { for(int b=4;b<(*m1).height-4;b++) { if( Pixel[a][b]==0&&Pixel[a][b+1]==0 &&Pixel[a+bc-2][b-1]==0&&Pixel[a+bc-1][b-1]==0 &&Pixel[a+1][b+bc-2]==0&&Pixel[a+2][b+bc-2]==0 &&Pixel[a+bc-1][b+bc-3]==0&&Pixel[a+bc-1][b+bc-4]==0 ) //正方形判断 { Tongji[bc][0]=bc; Tongji[bc][1]++; Pixel[a][b]=1; } } if(Tongji[bc][1]>=5) { cout<<xx<<"帧有马赛克。\n";//<<endl; goto A; } } A: cvReleaseImage(&m); cvReleaseImage(&m1); } void cal_cubesnumber1(int xx1) { int Tongji1[40][2]={0}; IplImage *m=cvLoadImage("Canny1.jpg",1); int height=(*m).height; int width=(*m).width; CvSize zz; zz.height=height; zz.width=width; IplImage *m1; m1=cvCreateImage(zz,IPL_DEPTH_8U,1); cvCvtColor(m,m1,CV_BGR2GRAY); for(int x=0;x<height;x++) { uchar *ptr=(uchar *)m1->imageData+x*m1->widthStep; for(int y=0;y<width;y++) { int intensity=ptr[y]; if(intensity>200) { Pixel1[y][x]=0; } else { Pixel1[y][x]=1; } } } for(int a=4;a<(*m1).width-4;a++) for(int bc=3;bc<33;bc++) { for(int b=4;b<(*m1).height-4;b++) { if( Pixel1[a][b]==0&&Pixel1[a][b+1]==0 &&Pixel1[a+bc-2][b-1]==0&&Pixel1[a+bc-1][b-1]==0 &&Pixel1[a+1][b+bc-2]==0&&Pixel1[a+2][b+bc-2]==0 &&Pixel1[a+bc-1][b+bc-3]==0&&Pixel1[a+bc-1][b+bc-4]==0 ) //正方形判断 { Tongji1[bc][0]=bc; Tongji1[bc][1]++; Pixel1[a][b]=1; } } if(Tongji1[bc][1]>=5) { cout<<xx1<<"帧有马赛克。\n";//<<endl; goto B; } } B: cvReleaseImage(&m); cvReleaseImage(&m1); } void cal_cubesnumber3(int xx3) { int Tongji2[40][2]={0}; IplImage *m=cvLoadImage("Canny3.jpg",1); int height=(*m).height; int width=(*m).width; CvSize zz; zz.height=height; zz.width=width; IplImage *m1; m1=cvCreateImage(zz,IPL_DEPTH_8U,1); cvCvtColor(m,m1,CV_BGR2GRAY); for(int x=0;x<height;x++) { uchar *ptr=(uchar *)m1->imageData+x*m1->widthStep; for(int y=0;y<width;y++) { int intensity=ptr[y]; if(intensity>200) { Pixel2[y][x]=0; } else { Pixel2[y][x]=1; } } } for(int a=4;a<(*m1).width-4;a++) for(int bc=3;bc<33;bc++) { for(int b=4;b<(*m1).height-4;b++) { if( Pixel2[a][b]==0&&Pixel2[a][b+1]==0 &&Pixel2[a+bc-2][b-1]==0&&Pixel2[a+bc-1][b-1]==0 &&Pixel2[a+1][b+bc-2]==0&&Pixel2[a+2][b+bc-2]==0 &&Pixel2[a+bc-1][b+bc-3]==0&&Pixel2[a+bc-1][b+bc-4]==0 ) //正方形判断 { Tongji2[bc][0]=bc; Tongji2[bc][1]++; Pixel2[a][b]=1; } } if(Tongji2[bc][1]>=5) { cout<<xx3<<"帧有马赛克。\n";//<<endl; goto C; } } C: cvReleaseImage(&m); cvReleaseImage(&m1); } void cal_cubesnumber2(int xx2) { int Tongji3[40][2]={0}; IplImage *m=cvLoadImage("Canny2.jpg",1); int height=(*m).height; int width=(*m).width; CvSize zz; zz.height=height; zz.width=width; IplImage *m1; m1=cvCreateImage(zz,IPL_DEPTH_8U,1); cvCvtColor(m,m1,CV_BGR2GRAY); for(int x=0;x<height;x++) { uchar *ptr=(uchar *)m1->imageData+x*m1->widthStep; for(int y=0;y<width;y++) { int intensity=ptr[y]; if(intensity>200) { Pixel3[y][x]=0; } else { Pixel3[y][x]=1; } } } for(int a=4;a<(*m1).width-4;a++) for(int bc=3;bc<33;bc++) { for(int b=4;b<(*m1).height-4;b++) { if( Pixel3[a][b]==0&&Pixel3[a][b+1]==0 &&Pixel3[a+bc-2][b-1]==0&&Pixel3[a+bc-1][b-1]==0 &&Pixel3[a+1][b+bc-2]==0&&Pixel3[a+2][b+bc-2]==0 &&Pixel3[a+bc-1][b+bc-3]==0&&Pixel3[a+bc-1][b+bc-4]==0 ) //正方形判断 { Tongji3[bc][0]=bc; Tongji3[bc][1]++;