read_vedio_test.rar_差分 前景_背景差_视频 差分_视频处理

#include <QtCore/QCoreApplication> #include <cv.h> #include <highgui.h> #include <cxcore.h> #include <iostream> using namespace std; int main(int argc, char *argv[]) { QCoreApplication a(argc, argv); IplImage* pFrame = NULL; IplImage* pBkImg = NULL; IplImage* pFrImg = NULL; CvMat* pFrameMat = NULL; CvMat* pFrMat = NULL; CvMat* pBkMat = NULL; CvArr* pFrameArr = NULL; CvCapture* capture = NULL; int nFrameNo = 0; cvNamedWindow("video", 1); cvNamedWindow("background",1); cvNamedWindow("foreground",1); if( !(capture = cvCaptureFromFile("001-bg-01-000.avi"))) { cout<<"the video is something wrong!"<<endl; return 0; } while(pFrame = cvQueryFrame(capture)) { nFrameNo++; int width = pFrame->width; int height = pFrame->height; if(nFrameNo == 1)//初始化 { pBkImg = cvCreateImage(cvSize(width,height),IPL_DEPTH_8U,1); pFrImg = cvCreateImage(cvSize(width,height),IPL_DEPTH_8U,1); pFrameMat = cvCreateMat(height,width,CV_32FC1); pFrMat = cvCreateMat(height,width,CV_32FC1); pBkMat = cvCreateMat(height,width,CV_32FC1); cvCvtColor(pFrame,pBkImg,CV_BGR2GRAY); cvCvtColor(pFrame,pFrImg,CV_BGR2GRAY); cvConvert(pFrImg,pFrameMat); cvConvert(pFrImg,pFrMat); cvConvert(pFrImg,pBkMat); } else { cvCvtColor(pFrame,pFrImg,CV_BGR2GRAY); cvConvert(pFrImg,pFrameMat); cvAbsDiff(pFrameMat,pBkMat,pFrMat); cvThreshold(pFrMat,pFrImg,30,255.0,CV_THRESH_BINARY); //更新背景 //cvRunningAvg(pFrameMat,pBkMat,0.003,0); cvConvert(pFrameMat,pBkImg); cvShowImage("video",pFrame); cvShowImage("background",pBkImg); cvShowImage("foreground",pFrImg); if(cvWaitKey(10000) == 27) { break; } else { continue; } } } cvDestroyWindow("video"); cvDestroyWindow("background"); cvDestroyWindow("foreground"); cvReleaseImage(&pFrame); cvReleaseImage(&pBkImg); cvReleaseImage(&pFrImg); cvReleaseMat(&pFrameMat); cvReleaseMat(&pBkMat); cvReleaseMat(&pFrMat); cvReleaseCapture(&capture); return a.exec(); }