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Monthly Archives: January 2013

Display Image using OpenCV

You may chage the image path.

#include "stdafx.h"
#include<opencv\cv.h>
#include<opencv\cxcore.h>
#include<opencv\highgui.h>

int _tmain(int argc, _TCHAR* argv[])
{
IplImage *img = cvLoadImage("C:\\opencv3\\img\\opencv.png",1);
cvNamedWindow("Image:",1);//Create new window
cvShowImage("Image:",img);//Display image in the window
cvWaitKey(0);//Wait until user press any key
cvDestroyWindow("Image:");//Destroy the window named 'Image'
cvReleaseImage(&img);//Release memory used for the image
return 0;
}
 
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Posted by on January 31, 2013 in C

 

Install OpenCV 2.4.3 on Visual Studio 2010

 
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Posted by on January 30, 2013 in C++

 

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Capture Video With OpenCV

#include "stdafx.h"
#include<opencv\cv.h>
#include<opencv\cxcore.h>
#include<opencv\highgui.h>

using namespace cv;
int _tmain(int argc, _TCHAR* argv[])
{

 CvCapture *capture = cvCaptureFromCAM(0);
 if( !capture ) return 1;
 cvNamedWindow("Video");

while(true) {

 IplImage* frame = cvQueryFrame( capture );
 if( !frame ) break;
 cvShowImage( "Video", frame );
 int c = cvWaitKey(40);
 if((char)c==20 ) break;
 }

cvDestroyWindow("Video");
 cvReleaseCapture( &capture );
 return 0;
}

&nbsp;

 
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Posted by on January 29, 2013 in C++

 

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Crawl Site For Keywords

import re
import urllib2

keywordregex = re.compile('<meta\sname=["\']keywords["\']\scontent=["\'](.*?)["\']\s/>')

try:
response = urllib2.urlopen("http://fun-lanka.site50.net/");
except Exception, e:
print e.args

msg = response.read()
keywordlist = keywordregex.findall(msg)
if len(keywordlist) > 0:
keywordlist = keywordlist[0]
keywordlist = keywordlist.split(", ")
print keywordlist





 
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Posted by on January 28, 2013 in Python

 

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