#include "cv.h"#include "highgui.h"#include 
    
     #include 
     
      int main(int argc , char **argv){    IplImage *laplace = 0;    IplImage *coloelaplace = 0;    IplImage *planes[3]={0,0,0};//多个图像面    CvCapture *capture = 0;    if (argc==1|| (argc==2 && strlen(argv[1])==1 && isdigit(argv[1][0])))    {        capture = cvCaptureFromCAM(-1);    }    else if(argc==2)    {        capture = cvCaptureFromAVI(argv[1]);    }    if (!capture)    {        fprintf(stderr,"Could not initialize capturing.../n");        return -1;    }    cvNamedWindow("main",0);    for (;;)    {        IplImage *frame=0;        int i;        frame = cvQueryFrame(capture);//从摄像头或者文件中抓取并返回一帧        if (!frame)        {            break;        }        if (!laplace)        {            for (i=0;i<3;i++)            {                planes[i]=cvCreateImage(cvSize(frame->width,frame->height),8,1);            }            laplace=cvCreateImage(cvSize(frame->width,frame->height),IPL_DEPTH_16S,1);            coloelaplace=cvCreateImage(cvSize(frame->width,frame->height),8,3);        }        cvCvtPixToPlane(frame,planes[0],planes[1],planes[2],0);        //#define cvCvtPixToPlane cvSplit        for (i=0;i<3;i++)        {            cvLaplace(planes[i],laplace,3);//计算图像planes[i]的 Laplacian 变换            cvConvertScaleAbs(laplace,planes[i],1,0);//planes[]=ABS(laplace)        }        cvCvtPlaneToPix(planes[0],planes[1],planes[2],0,coloelaplace);        //#define cvCvtPlaneToPix cvMerge               coloelaplace->origin=frame->origin;               cvShowImage("main",coloelaplace);        if (cvWaitKey(10)>=0)        {            break;        }    }       cvReleaseCapture(&capture);    cvDestroyWindow("main");    return 0;}本文转自gnuhpc博客园博客，原文链接http://www.cnblogs.com/gnuhpc/archive/2012/10/08/2715884.html，如需转载请自行联系原作者