ReadFromCamera

// code to read from camera
//#include "opencv2/stdafx/stdafx.h"
#include "opencv2/objdetect/objdetect.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"

#include <iostream>
#include <stdio.h>
#ifdef _EiC
#define WIN32
#endif
char path[50];
int main ( int argc, const char* argv[] ){
    CvCapture* capture = cvCaptureFromCAM(0);
    IplImage* image = 0;
    cvNamedWindow("Window");
    int count = 1;
    while (true)
    {
        image = cvQueryFrame(capture); 
        cvShowImage("Window", image);
        int ch = cvWaitKey(1);
        if(ch == 115){
            sprintf(path,"d:/something/captured%d.bmp",count++);
            cvSaveImage(path,image,0);
        }
        if(ch == 27) break;
    }
    cvDestroyWindow("Window");
    cvReleaseCapture(&capture);
   return 0;
}