Creating knaive binary image

gistfile1.txt

//Author : Kumar Keishna Agarwal
//Mail   : kumar.1994.14@gmail.com

#include <iostream>
#include <highgui.h>
#include <cv.h>



int main()
{
	IplImage* img,*gray;
	
	//Creating Image
	img=cvLoadImage("road7.jpg");         //Load image
	gray=cvCreateImage(cvGetSize(img),IPL_DEPTH_8U,1);               
	/*  cvCreateImage(cvGetSize(<name of source image>),<depth of source image>,<no. of channels>)  */

	CvScalar pixel,pix,pix2;     //structure to store four values
	
	cvNamedWindow("window",0);
	cvNamedWindow("win",0);

	int i,j;
	for(i=0;i<img->height;i++)
	{
		for(j=0;j<img->width;j++)
		{
			pix=cvGet2D(img,i,j);          //Getting pixel from loaded image
			/*   cvGet2D(<image name>,<x coord>,<y coord>)   */
			 
			pixel.val[0]=pix.val[0]+pix.val[1]+pix.val[2];
			pixel.val[0]/=3;
			if(pixel.val[0]>75)
			pixel.val[0]=255;
			else
			pixel.val[0]=0;

			cvSet2D(gray,i,j,pixel);            //Set pixel
			/*cvSet2D(<image name>,<x coord>,<y coord>, <name of pixel>) */
		}
	}
	cvShowImage("window",img);   //Show Image
	cvShowImage("win",gray); 
	cvWaitKey(0);                //Wait Key (Default is keyStroke)
	cvReleaseImage(&img);        //Release image
	cvDestroyWindow("window");   //Destroy window
}