HW02

心得:真好玩

程式碼:#include <stdio.h>

#include <cv.h>

#include <highgui.h>

#include "cv.h"

#include "cxcore.h"

#include "highgui.h"

int main()

{

    CvCapture *capture;  

    IplImage* dst = NULL;

    IplImage* pImg = NULL;

IplImage* pImg2 = NULL;

IplImage* gray = NULL;

IplImage* bw = NULL;

IplImage* pCannyImg = NULL;

double scale=4;

    CvSize dst_cvsize;

    capture=cvCreateCameraCapture( 0 );

    pImg=cvQueryFrame(capture);

    

    

    dst_cvsize.width=(int)(pImg->width*scale);

        dst_cvsize.height=(int)(pImg->height*scale);

        dst=cvCreateImage(dst_cvsize,pImg->depth,pImg->nChannels);

    

   

pImg2 = cvCreateImage(cvSize(pImg->width,pImg->height), IPL_DEPTH_8U, 3);

gray = cvCreateImage(cvSize(pImg->width,pImg->height), IPL_DEPTH_8U, 1);

bw = cvCreateImage(cvSize(pImg->width,pImg->height), IPL_DEPTH_8U, 1);

pCannyImg = cvCreateImage(cvGetSize(pImg), IPL_DEPTH_8U, 1);

    cvNamedWindow("src", 1);

cvNamedWindow("src2",1);

cvNamedWindow("blackwhite", 1);

cvNamedWindow("gray",1);

cvNamedWindow("canny",1);

cvNamedWindow("Webcam",1);

    while(1)

    {

    pImg=cvQueryFrame(capture);

        cvResize(pImg,dst,CV_INTER_NN);

cvCvtColor(pImg, gray, CV_BGR2GRAY);

cvThreshold( gray, bw, 63, 255, CV_THRESH_BINARY );

cvThreshold( pImg, pImg2, 127, 255, CV_THRESH_BINARY );

cvCanny(gray, pCannyImg, 50, 150, 3);

//顯示圖像

cvShowImage( "src", pImg );

cvShowImage( "Webcam", dst );

cvShowImage( "src2", pImg2 );

cvShowImage( "gray", gray );

cvShowImage( "blackwhite", bw );

cvShowImage( "canny", pCannyImg );

cvWaitKey(20);     

    }

    //銷毀視窗

cvDestroyWindow( "src" );

cvDestroyWindow( "Webcam" );

cvDestroyWindow( "src2" );

cvDestroyWindow( "canny" );

cvDestroyWindow( "blackwhite" );

cvDestroyWindow( "gray" );

//釋放圖像

cvReleaseImage( &pImg );

cvReleaseImage( &dst );

cvReleaseImage( &pImg2 );

cvReleaseImage( &gray);

cvReleaseImage( &bw );

cvReleaseImage( &pCannyImg );

    

    cvReleaseCapture(&capture);

}